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**Intro:...
**Quote style:...
**Cant find a chip?...
**Why this document is not GPL or a wiki...
**Definition of a chip set:...
**'chip set', 'chip-set' or 'chipset'?...
**What's not included:...
**Who made the first chip set?...
**Spelling errors/mistyped words...
**Info needed on:...
**A note on VESA support of 486 chipsets....
**Datasheets:...
*_IBM...
**IBM PC/XT/AT...
*ACC Micro...
**Notes:...
**ACC82010   AT Chip Set          (286 12.5/16MHz Max)             c88...
***info:...
****General:...
****ACC 2000 Multifunctional Peripheral Controller:...
****ACC 2100 System Bus Controller:...
****ACC 2220 Data Buffers or Address Buffers:...
***Configurations:...
***Features:...
****General:...
****ACC 2000 Multifunctional Peripheral Controller:...
****ACC 2100 System Bus Controller:...
****ACC 2220 Data Buffers or Address Buffers:...
**ACC82020   Turbo PC/AT Chip Set (286/386SX 25MHz Max)            c88...
***Notes:...
***info:...
****General:...
****ACC 2000 Multifunctional Peripheral Controller:...
****ACC 2120 System Bus Controller and Memory Controller:...
****ACC 2220 Data Buffers or Address Buffers:...
***Configurations:...
***Features:...
****General:...
****ACC 2000 Multifunctional Peripheral Controller:...
****ACC 2120 System Bus Controller and Memory Controller:...
****ACC 2220 Data Buffers or Address Buffers:...
**ACC82021   Turbo PC/AT Chip Set (286/386SX 25MHz Max)            >88...
***Notes:...
***info:...
****General:...
****ACC 2000 Multifunctional Peripheral Controller:...
****ACC 2121 System Bus Controller and Memory Controller:...
****ACC 2220 Data Buffers or Address Buffers:...
***Configurations:...
***Features:...
****General:...
****ACC 2000 Multifunctional Peripheral Controller:...
****ACC 2121 System Bus Controller and Memory Controller:...
****ACC 2220 Data Buffers or Address Buffers:...
**ACC82300   386 AT Chip Set (386DX)                               c88...
***Info:...
****General:...
****ACC 2000 PC/AT integrated Bus & Peripheral Controller:...
****ACC 2300 Page/Page Interleaved Memory Controller:...
****ACC 2500 System Controller:...
***Configurations:...
***Features:...
****General:...
****ACC 2000 PC/AT integrated Bus & Peripheral Controller:...
****ACC 2300 Page/Page Interleaved Memory Controller:...
****ACC 2500 System Controller:...
**ACC82C100  Single-Chip PC/XT Systems-Controller                  c90...
***Info:...
***Configurations:...
***Features:...
**ACC83000   Model 30 Integrated Chip Set (MCA)                    c88...
***Info:...
****General:...
****ACC3000 I/O controller:...
****ACC3100 System Controller:...
***Configurations:...
***Features:...
****General:...
****ACC3000 I/O controller:...
****ACC3100 System Controller:...
**ACC85000/A Model 50/60 Chipset (MCA)                             c88...
***Info:...
****General:...
****ACC 5000 DMA and Micro Channel Controller:...
****ACC 5100 Peripheral Interface Controller:...
****ACC 5200 Data Buffer Logic:...
****ACC 5300 Memory Controller and Buffers:...
***Configurations:...
***Features:...
****General:...
****ACC 5000 DMA and Micro Channel Controller:...
****ACC 5100 Peripheral Interface Controller:...
****ACC 5200 Data Buffer Logic:...
****ACC 5300 Memory Controller and Buffers:...
**ACC1000    Turbo PC/XT Integrated Bus and Peripheral Ctrl.  04/02/88...
***Info:...
***Configurations:...
***Features:...
**ACC2036    Single Chip Solution 2036 (286/386SX)              <Jul92...
***Info:...
***Configurations:...
***Features:...
**ACC2046/ST 486DX/486SX/386DX Single Chip AT                   <Jul92...
***Info:...
***Configurations:...
***Features:...
**ACC2048    WB 486 Notebook/Embedded Single Chip [no datasheet]     ?...
***Notes:...
***Info:...
***Configurations:...
**ACC2051/NT PCI Single Chip Solution for Notebook Applications    c96...
***Info:...
***Configurations:...
***Features:...
**ACC2056    ?Pentium 3.3V Notebook               [no datasheet]<Jan96...
***Notes:...
***Configurations:...
**ACC2057    PCI Notebook/Embedded Single Chip    [no datasheet]<Aug96...
***Notes:...
***Info:...
***Configurations:...
**ACC2066NT  486 Notebook/Embedded Single Chip    [no datasheet]     ?...
***Notes:...
***Info:...
***Configurations:...
**ACC2086    486 VL-based System Super Chip Soluti[no datasheet]     ?...
***Notes:...
***Info:...
***Configurations:...
**ACC2087    Enhanced Super Chip (486 Single Chip)              <Aug96...
***Info:...
***Configurations:...
***Features:...
**ACC2089    486 PCI-based System Super Chip      [no datasheet]     ?...
***Notes:...
***Info:...
***Configurations:...
**ACC2168/GT 32-bit 486 Green System Single Chip  [no datasheet]     ?...
***Notes:...
***Info:...
***Configurations:...
**ACC2178A   32-bit 486 Green System Single Chip  [no datasheet]     ?...
***Notes:...
***Info:...
***Configurations:...
**ACC2268    ?486                                 [no datasheet]     ?...
***Configurations:...
**ACC????    Maple/Maple-133 486-System-On-Chip   [no datasheet]     ?...
***Notes:...
**
**Support Chips:
**ACC2016    Buffer and MUX Logic                                  c96...
***Info:...
***Versions:...
***Features:...
**ACC2020    Power Management Chip                                 c92...
***info:...
***Versions:...
***Features:...
**ACC5500    Multifunction I/O Control Chip for PS2 Model 50/60    c88...
***Info:...
***Versions:...
***Features:...
**
**Other chips...
*ALD...
**Notes:...
**Chips with no datasheet:...
**93C488         5x86/486 Single Chip PCI controller            <Aug96...
***Info:...
***Configurations:...
***Features:...
*ALi...
**Notes:...
**M1207          286 Single Chip                  [no datasheet]     ?...
***Notes:...
**M1217/M1209    386SX/SLC Single Chip (40MHz)    [no datasheet]   c91...
***Notes:...
**M1219          386DX/486 ISA Cache? Single Chip [no datasheet]     ?
**M1419          386DX/486 ISA Cache  Single Chip [no datasheet]   c91
**Ml429/31/35    486 VLB/PCI/ISA      [no datasheet, some info] cOct93...
***Notes:...
***Configurations:...
**M1439/31/45    486 VLB/PCI/ISA      [no datasheet, some info] <May95...
***Notes:...
***Configurations:...
**M1489/87       FinALi-486 PCI Chipset                         <Feb95...
***Info:...
***Configurations:...
***Features:...
**M????          Genie, Quad Pentium  [no datasheet, some info]    c95...
***Notes:...
**M1451/49       Aladdin    (Pentium) [no datasheet]                 ?...
***Configurations:...
**M1511/12/13    Aladdin II (Pentium) [no datasheet, some info] >Apr95...
***Notes:...
***Configurations:...
**M1521/23       Aladdin III       50-66MHz                     <Nov96...
***Info:...
****M1521 System Controller:
With  availability  of new  PC  packaging  technology, ALADDIN-III  is
launched  by  providing   highly  efficient  bus  transaction,  highly
concurrent  architecture and  highly integrated  design with  MESI Tag
Memory built-in, USB,  UMA, KBC, RTC, and high  performance IDE Master
with the minimum TTLs needed.

The ALADDIN-III consists  of two chips to give the  586 class system a
complete solution  with most  up-to-date feature and  architecture for
the new multimedia/ multithreading OS.

It  utilizes  the BGA  package  to  improve  the AC  characterization,
resolves system bottleneck and make the system manufacturing easier.

In the following diagram, ALADDIN-III gives a highly integrated system
solution and  a most up-to-date architecture, which  includes the UMA,
ECC,  PBSRAM,  SDRAM/BEDO,  flexible  32/64-bit memory  bus  and  very
concurrent  multi-bus  with  highly  efficient/deep FIFO  between  the
buses, such as the HOST/PCI/ISA/dedicated IDE bus.


****M1523 PCI-to-ISA Bridge:...
***Configurations:...
***Features:...
****M1521 System Controller:...
****M1523 PCI-to-ISA Bridge:...
**M1531/33/43    Aladdin IV & IV+  50-83.3MHz                <05/28/97...
***Info:...
****M1531 CPU-to-PCI bridge, Memory, Cache and Buffer Controller:...
****M1533 PCI-to-ISA Bus Bridge:...
***Configurations:...
***Features:...
****M1531 CPU-to-PCI bridge, Memory, Cache and Buffer Controller:...
****M1533 PCI-to-ISA Bus Bridge:...
**M1541/42/33/43 Aladdin V & V+    50-100MHz                         ?...
***Info:...
****M1541/1542 AGP/CPU-to-PCI bridge/Memory/Cache and Buffer Ctrl.:...
****M1543/C    PCI-to-ISA Bus Bridge with Super I/O & Fast IR:...
***Configurations:...
***Features:...
****M1541/1542 AGP/CPU-to-PCI bridge/Memory/Cache and Buffer Ctrl.:...
****M1543/C    PCI-to-ISA Bus Bridge with Super I/O & Fast IR:...
*****All:...
*****Further differences not indicated by the M1543C datasheet:...
**M1561/43/35D   Aladdin 7 ArtX    [no datasheet, some info]  11/08/99...
***Notes:...
***Info & Features:...
***Configurations:...
**M6117          386SX Single Chip PC                              <97...
***Notes:...
***Info:...
***Versions:...
***Features:...
**
**Support Chips:
**M1535/D        South Bridge                                        ?...
***Info:...
***Versions:...
***Features:...
**
**May not exist:...
**Later Chipsets:...
***PII...
***Athlon...
**Other:...
*AMD . . . . . . . [no datasheets, some info]...
**AMD Am286ZX/LX  (286 Embeded CPU + integrated peripherals)         ?
**AMD Elan Series (386/486 Embeded CPU + integrated peripherals)     ?
**AMD 640/645     (Pentium Based on VIA VT82C590) [some info]      c97...
**Later Chipsets:...
*Chips & Technologies...
**CS8220   PC/AT compatible CHIPSet (82C201/C202/A203/A204/A205)cOct85...
***Notes:...
***Info:...
****General:...
****82C201 (8Mhz) or 82C201-10 (10Mhz):...
****82C202: ...
****82A203:...
****82A204:...
****82A205:...
***Configurations:...
***Features;...
**CS8221   NEW Enhanced AT (NEAT)   (82C211/82C212/82C215/82C206)  c86...
***Info:...
***Configurations:...
***Features:...
**CS8223   LeAPset                  [no datasheet]                   ?
**CS8225   CHIPS/250 PS/2 50/60     [no datasheet, some info]      c88...
**CS8227   CHIPSlite                (82C235/82C641)                  ?...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**CS8230   386/AT                   (82C301/302/303/304/305/306)cFeb87...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**CS8231   TURBO CACHE-BASED 386/AT (82C301/307/303/304/305/306)   c86...
***Info:...
***Configurations:...
***Features:...
**CS8232   CMOS 386/AT              (82C301/302/303/304/305/306)   c86...
***Notes:...
**CS8233   PEAK/386 AT (Cached)     (82C311/82C315/82C316)     c:Dec90...
***Info:...
***Configurations:...
***Features:...
**CS8236   386/AT                   (82C301/2/3/4/5/6/206)         c86...
***Notes:...
**CS8237   TURBO CACHE-BASED 386/AT (82C301/7/3/4/5/6/206)         c86...
***Notes:...
**CS8238   CHIPS/280 & 281 (386 MCA)(82C321/322/325/223/226)   c:Aug89...
***Info:...
***Configurations:...
***Features:...
**CS82310  PEAK/DM 386 AT           (82C351/82C355/82C356)         c91...
***Info:...
***Configurations:...
***Features:...
**CS8281   NEATsx (386SX)           (82C811/812/215/206)       c:Dec89...
***Info:...
***Configurations:...
***Features:...
**CS8283   LeAPset-sx               (82C841/82C242/82C636)     c:Mar90...
***Info:...
***Configurations:...
***Features:...
**CS8285   PEAKsx                   (82C836/82C835)                c91...
***Info:...
***Configurations:...
***Features:...
**CS8288   CHIPSlite-sx             (82C836/82C641/82C835)          c?...
***Notes:...
***Configurations:...
**CS4000   WinCHIPS                 (64200/84021/84025)            c92...
***Info:...
***Configurations:...
***Features:...
**CS4021   ISA/486                  (84021/84025)                  c92...
***Info: ...
***Configurations:...
***Features:...
**CS4031   CHIPSet                  (84031/84035)              5/10/93...
***Info:...
***Configurations:...
***Features:...
**CS4041/5 CHIPSet                  (84041/84045)              2/10/95...
***Info:...
***Configurations:...
***Features:...
**CB8291   ELEAT                    [no datasheet]                 c90...
***Notes:...
**CB8295   ELEATsx                  [no datasheet]                 c90...
**82C100   IBM PS/2 Model 30/Super XT                                ?...
***Info:...
***Configurations:...
***Features:...
**82C110   IBM PS/2 Model 30/Super XT                                ?...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C235   Single Chip AT (SCAT)                                   c89...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C836   Single Chip 386sx (SCATsx)                              <91...
***Info:...
***Configurations:...
***Features:...
**F8680/A  PC/CHIP Single-Chip PC                                  c93...
***Notes:...
***Info:...
***Configurations:...
***Features...
**
**Support Chips:
**64200    (Wingine) High Performance 'Windows Engine'         c:Oct91...
***Info:...
****General:...
****Wingine/CS4021 Interface:...
****Wingine/CS82310 Interface:...
****More:...
***Versions:...
***Features:...
**82C206   Integrated Peripheral Controller                        c86...
***Info:...
***Versions:...
***Features:...
**82C601/A Single Chip Peripheral Controller                 <08/30/90...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82C607   Multifunction Controller                             <Jun88...
***Info:...
***Versions:...
***Features:...
**82C710   Universal Peripheral Controller                     c:Aug90...
***Info:...
***Versions:...
***Features:...
**82C711   Universal Peripheral Controller II                  c:Jan91...
***Info:...
***Versions:...
***Features:...
**82C712   Universal Peripheral Controller II                  c:Jan91...
***Info:...
***Versions:...
***Features:...
**82C721   Universal Peripheral Controller III                 c:May93...
***Info:...
***Versions:...
***Features:...
**82C735   I/O Peripheral Controller With Printgine            c:Jul93...
***Info:...
***Versions:...
***Features:...
**82C835   Single CHIP 386sx AT Cache Controller               c:Apr91...
***Info:...
***Versions:...
***Features:...
**F87000   Multi-Mode Peripheral Chip                         11/23/93...
***Info:...
***Versions:...
***Features:...
**Other:...
**Disk:...
**Video:...
*Contaq  . . . . . [no datasheets, some info]...
**82C591/2  3/486                                               <Mar92...
**82C593    3/486 [no datasheet]                                <May92...
**82C596/A  3/486 Writeback Cache [no datasheet]             <11/11/92...
**??????    486 EISA chipset [no datasheet]                     <Feb93...
**82C599    PCI-VLB Bridge [no datasheet, some info]                 ?...
**82C693    PCI-ISA Bridge [no datasheet]                            ?...
*Efar Microsystems [no datasheets, some info]...
**EFAR-8290WB 386/486 Writeback PC/AT Chipset     [no datasheet]     ?...
***Notes:...
***Info:...
***Configurations:...
**82EC798     386/486 Writeback PC/AT Single Chip [no datasheet]     ?
**Other:...
*ETEQ...
**??????     "Cougar/Bobcat" 386DX/486DX chipset [no datasheet] cNov91...
***Notes:...
***Configurations:...
**??????     "Bengal"  386DX/486 (WriteBack)     [no datasheet] cNov91...
***Notes:...
***Configurations:...
**ET2000     386/486 WB Chipset                                      ?...
***Info:...
***Configurations:...
***Features:...
**ET6000     "Cheetah" 486DX/SX Non-Cache System                <Apr92...
***Info:...
***Configurations:...
***Features:...
**ET9000     "Jaguar" 486 Write Back Cache AT Single Chip       <Jun92...
***Info:...
***Configurations:...
***Features:...
**ET9800/391 "Firefox" 386SX Write Back chipset [no datasheet]       ?...
***Configurations:...
**82C390SX   "Panda" S.C. 386SX Direct Mapped Cache [no d.sheet]cFeb92...
***Notes:...
**66x8       VIA clones [no datasheet]                               ?...
***Notes:...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel
**IBM PC/XT/AT Chip Sets...
**82230/82231 High Integration AT-Compatible Chip Set(ZyMOS)   c:Aug88...
**82310       Micro Channel Compatible Peripheral Chip Set    04/21/88...
**82311       High Integration MCA Compatible Perip. Chip Set 11/14/88...
**82320       MCA compatible Chipset           [no datasheet] 04/10/89...
**82340DX     Chip Set (VLSI) (82346/82345/82355)             01/08/90...
**82340SX     Chip Set (VLSI) (82343/82344)                   01/25/89...
**82350       EISA Chip Set                                   07/10/89...
**82350DT     EISA Chip Set                                   04/22/91...
**82420TX/ZX  PCIset (for 486) TX (Saturn), ZX (Saturn II)     c:Nov92...
**82420EX     PCIset (for 486) EX (Aries)   (82425EX/82426EX)   <Dec94...
**82430LX     PCIset (Pentium) LX (Mercury) (82433LX/82434LX) 03/22/93
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82430NX     PCIset (Pentium) NX (Neptune) (82433NX/82434NX)    Mar94...
**82430FX     PCIset (Pentium) FX (Triton I) (82437FX/82438FX)01/31/95...
**82430MX     PCIset (Pentium) MX (Mobile Triton)(82437/438MX)11/01/95...
**82430HX     PCIset (Pentium) HX (Triton II) (82439HX)       02/12/96...
**82430VX     PCIset (Pentium) VX (Triton II) (82437VX/82438) 02/12/96...
**82430TX     PCIset (Pentium) TX (Triton II) (82439TX)       02/17/97...
**82450KX/GX  PCIset (Pentium Pro) KX/GX (Mars/Orion)         11/01/95...
**
**Support Chips:
**82091AA     Advanced Interface Peripheral (AIP)                  c93...
**8289        Bus Arbiter (808x)                                   c79
***Notes:...
***Info:...
***Versions:...
***Features:...
**82289       Bus Arbiter for iAPX 286 Processor Family            c83...
***Info:...
***Info:...
***Versions:...
***Features:...
**82258       Advanced Direct Memory Access Coprocessor(ADMA) 01/01/84...
***Notes:...
***Info:...
***Versions...
***Features:...
**82335       High-Integration Interface Device For 386SX      c:Nov88...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82360SL     I/O Subsystem                                   10/05/90...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82370       Integrated System Peripheral (for 82376)         c:Oct88...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82371FB/SB  PCI ISA IDE Xcelerator 82371FB/82371SB (PIIX/3) 01/31/95...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82371MX     Mobile PCI I/O IDE Xcelerator (MPIIX)           11/01/95...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82371AB     PCI-TO-ISA / IDE Xcelerator 82371AB (PIIX4)     02/17/97...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82374/82375 PCI-EISA Bridge (82374EB/82375EB, 374SB/375SB)   c:Mar93...
***Notes:...
***Info:...
***Versions:...
***Configurations:...
***Features:...
**82378       System I/O (SIO) (82378IB and 82378ZB)           c:Mar93...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82379AB     System I/O-APIC (SIO.A)                           <Dec94...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82380       32-bit DMA Controller w/ Integrated Peripherals 02/01/87...
***Notes:...
***Info: ...
***Versions:...
***Features:...
**82380FB/AB  PCIset: 82380FB Mobile PCI-to-PCI Bridge(MPCI2) 02/17/97...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82384       Clock Generator and Reset Interface                  c86...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82385       32-bit Cache Controller for 80386               09/29/87...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82385SX     32-bit Cache Controller for 80386SX             01/25/89...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82395DX     High Performance Smart Cache                    06/18/90...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82395SX     Smart Cache                                     12/17/90...
***Notes:...
**82396SX     Smart Cache                                     12/17/90...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82485       Turbo Cache (and 485Turbocache)                      c90...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82489DX       Advanced Programmable Interrupt Controller    10/12/92...
***Notes:...
***Info:...
***Versions:...
***Features:...
**82495DX/490DX DX CPU-Cache Chip Set                           <Sep91...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82495XP/490XP Cache Controller / Cache RAM (for i860)       06/05/91...
***Notes:...
***Info:...
***Features:...
**82496/491     Cache Controller / Cache RAM (for P5 Pentium) 03/22/93...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82497/492   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**
**Later chipsets (basic spec):
**440 series:...
***440FX (Natoma)       05/06/96...
***440LX (Balboa)       08/27/97...
***440BX (Seattle)      c:Apr'98...
***440DX (?)            c:?...
***440EX (?)            c:Apr'98...
***440GX (Marlinespike) 06/29/98...
***440ZX & 440ZX-66 (?) 01/04/99...
***440ZX-M (?)          05/17/99...
***440MX (Banister)     05/17/99...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series...
***810         (Whitney)       04/26/99...
***810L        (Whitney)       04/26/99...
***810-DC100   (Whitney)       04/26/99...
***810e        (Whitney)       09/27/99...
***810e2       (Whitney)       01/03/01...
***815         (Solano)        06/19/00...
***815e        (Solano-2)      06/19/00...
***815em       (Solano-?)      10/23/00...
***815ep       (Solano-3)      c:Nov'00...
***815p        (Solano-3)      c:Mar'01...
***815g        (Solano-3)      c:Sep'01...
***815eg       (Solano-3)      c:Sep'01...
***820         (Camino)        11/15/99...
***820e        (Camino-2)      06/05/00...
***830M        (Almador)       07/30/01...
***830MP       (Almador)       07/30/01...
***830MG       (Almador)       07/30/01...
***840         (Carmel)        10/25/99...
***845         (Brookdale)     09/10/01...
***845MP       (Brookdale-M)   03/04/02...
***845MZ       (Brookdale-M)   03/04/02...
***845E        (Brookdale-E)   05/20/02...
***845G        (Brookdale-G)   05/20/02...
***845GL       (Brookdale-GL)  05/20/02...
***845GE       (Brookdale-GE)  10/07/02...
***845PE       (Brookdale-PE)  10/07/02...
***845GV       (Brookdale-GV)  10/07/02...
***848P        (Breeds Hill)   c:Aug'03...
***850         (Tehama)        11/20/00...
***850E        (Tehama-E)      05/06/02...
***852GM       (Montara-GM)    01/14/03...
***852GMV      (Montara-GM)    ???...
***852PM       (Montara-GM)    06/11/03...
***852GME      (Montara-GM)    06/11/03...
***854         (?)             04/11/05...
***855GM       (Montara-GM)    03/12/03...
***855GME      (Montara-GM)    03/12/03...
***855PM       (Odem)          03/12/03...
***860         (Colusa)        05/21/01...
***865G        (Springdale)    05/21/03...
***865PE       (Springdale-PE) 05/21/03...
***865P        (Springdale-P)  05/21/03...
***865GV       (Springdale-GV) c:Sep'03...
***875P        (Canterwood)    04/14/03...
*Headland/G2...
**Notes:...
**GC101/102     12/16MHz PC/AT Compatible Chip Set             c:Feb88...
***Info:...
***Configurations:...
***Features:...
**GC101/102/103 12/16MHz PC/AT Compatible Chip Set + EMS 4.0   c:Jul89...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**GCK113        80386 AT Compatible Chip Set                   c:oct89...
***Info:...
***Configurations:...
***Features:...
**GCK181        Universal PS/2 Chip Set                        c:Mar89...
***Info:...
***Configurations:...
***Features:...
**HT11          Single 286 AT Chip [no datasheet]               <Aug90...
***Notes:...
**HT12/+/A      Single 286 AT Chip with EMS support            c:Aug90...
***Info:...
***Configurations:...
***Features:...
**HT18          80386SX Single Chip                            c:Sep91...
***Info:...
***Configurations:...
***Features:...
**HT21          386SX/286 Single Chip (20 MHz)                 c:Aug91...
***Info:...
***Configurations:...
***Features:...
**HT22          386SX/286 Single Chip (25 MHz)                 c:Sep91...
***Info:...
***Configurations:...
***Features:...
**HT25          3-volt Core Logic for 386SX                    c:Dec92...
***Info:...
***Configurations:...
***Features:...
**HT35          Single-Chip Peripheral Controller [partial info]     ?...
***Notes:...
**HTK320        386DX Chip Set                                 c:Sep91...
***Info:...
***Configurations:...
***Features:...
**HTK340        "Shasta" 486 Chip Set                          c:Jun92...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**Support Chips:
**HT44          Secondary Cache                                c:Jun92...
***Info:...
***Versions:...
***Features:...
**Other:...
*HMC (Hulon Microelectronics)...
**HMC82C206 Integrated Peripherals Controller (10MHz C&T 82c206)     ?...
***Info:...
***Versions:...
***Features...
*Logicstar...
**SL600X  PC / AT Compatible Chipset (10/12MHz)                 <Jul87...
***Info:...
***Configurations:...
***Features:...
**Support Chips:
**SL6012  Memory Mapper for PC-AT (74LS612 compatible)          <Jul87...
***Info:...
***Versions:...
***Features:...
**SL9010  System Controller (80286/80386SX/DX, 16/20/25MHz)     <oct88...
***Info:...
***Versions:...
***Features:...
**SL9020  Data Controller                                       <oct88...
***Info:...
***Versions:...
***Features:...
**SL9025  Address Controller                                    <oct88...
***Info:...
***Versions:...
***Features:...
**SL9090  Universal PC/AT Clock Chip                            <oct88...
***Info:...
***Versions:...
***Features:...
**SL9250  Page Mode Memory Controller (16/20MHz 8MB Max)        <oct88...
***Info:...
***Versions:...
***Features:...
**SL9350  Page Mode Memory Controller (16/20/25MHz 16MB Max)    <oct88...
***Info:...
***Versions:...
***Features:...
**Other:...
*Motorola...
**IBM AT: MC146818 Real Time Clock                                 <84...
***Info:...
***Versions:...
***Features:...
*OPTi...
**82C263         SCNB Single Chip Notebook                        c:92...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C281/282     Cache Sx/AT         (386SX)                 <08/22/91...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C283         386SX System Controller                          c:91...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C291         SXWB PC/AT Chipset  (386SX)                      c:91...
***Info:...
***Configurations:...
***Features:...
**82C295         SLCWB PC/AT Chipset (386SX)                         ?...
***Info:...
***Configurations:...
***Features:...
**82C381/382     HiD/386             (386DX)                      c:89...
***Info:...
***Configurations:...
***Features:...
**82C391/392     386WB PC/AT Chipset (386DX)                    <Dec90...
***Info:...
***Configurations:...
***Features:...
**82C461/462     Notebook PC/AT chipset [no datasheet]               ?...
***Notes:...
**82c463         SCNB Single Ship Notebook                        c:92...
***Info:...
***Configurations:...
***Features:...
**82c465MV/A/B   Single-Chip Mixed Voltage Notebook Solution    <Oct97...
***Info:...
***Configurations:...
***Features:...
**82C481?/482?   HiP/486 & HiB/486 [no datasheet]                Oct89...
***Notes:...
**82C491/392     486WB PC/AT Chipset                         <04/21/91...
***Info:...
***Configurations:...
***Features:...
**82C493/392     486SXWB                                     <10/21/91...
***Info:...
***Configurations:...
***Features:...
**82C495SX/392SX LCWB PC/AT chipset [no datasheet]                   ?...
***Configurations:...
**82C495SLC      DXSLC 386/486 Low Cost Write Back                c:92...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C495XLC      PC/AT Chip Set                                   c:93...
***Info:...
***Configurations:...
***Features:...
**82c496A/B      DXBB PC/AT Chipset                             <Mar92...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C496/7       DXBB PC/AT Chipset (Cached)                 <01/16/92...
***Info:...
***Configurations:...
***Features:...
**82C498         DXWB PC/AT chipset [no datasheet]                   ?...
***Notes:...
**82C499         DXSC DX System Controller                        c:93...
***Info:...
***Configurations:...
***Features:...
**82C546/547     Python PTM3V                                     c:94...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C556/7/8     Viper [no datasheet]                                ?...
***Configurations:...
**82C556/7/8N    Viper-N  Viper Notebook Chipset             <05/25/95...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C556M/7M/8E  Viper-N+ Viper Notebook Chipset                  c:96...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C566/7/8     Viper-Max Chipset Scalable MultiMedia PC Solution   ?...
***Info:...
***Configurations:...
***Features:...
**82C571/572     486/Pentium                                      c:93...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C576/7/8     Viper Xpress  [no datasheet]                        ?...
***Configurations:...
**82C576/8/9     Viper XPress+ [no datasheet, some info]     <01/16/97...
***Notes:...
***Info:...
***Configurations:...
**82C596/597     PTMAWB Pentium Adaptive Write-back (Cobra)       c:93...
***Notes::...
***Info:...
***Configurations:...
***Features:...
**82C650/1/2     Discovery (Pentium Pro) [no datasheet]              ?...
***Configurations:...
**82C681/2/6/7   386/486WB EISA                                   c:92...
***Info:...
***Configurations:...
***Features:...
**82C683         386/486AWB EISA [no datasheet]                      ?...
***Notes:...
**82C693/6/7     Pentium uP Write Back Cache EISA                 c:93...
***Notes:...
***info:...
***Configurations:...
***Features:...
**82C700         FireStar                                         c:97...
***Info:...
***Configurations:...
***Features:...
**82C701         FireStar Plus                                    c:97...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C750         Vendetta      [no datasheet]                        ?...
***Notes:...
**82c801         SCWB2 DX Single Chip Solution                    c:92...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C802         SCWB2 PC/AT Single Chip [no datasheet]              ?...
***Notes:...
**82C802G/GP     System/Power Management Controller (cached)      c:93...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C895         System/Power Management Controller (cached)   c:Sep94...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82C898         System/Power Management Controller (non-cache)c:Nov94...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**
**Support Chips:
**82C601/2       Buffer Devices                                 <Nov94...
***Info:...
***Versions:...
***Features:...
**82C822         PCIB (VLB-to-PCI bridge)                         c:94...
***Notes:...
***Info:...
***Versions:...
***Features:...
**Other:...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
**Other alias:...
**Notes:...
**Early Chipsets:...
**Later Chipsets:...
*SIS...
**85C211/2/5     286 chipset                   [no datasheet]        ?...
***Notes:...
**85C310/320/330 'Rabbit' High performance 386DX chipset           <91...
***Info:...
***Configurations:...
***Features:...
**85C360         ISA 386DX Single Chip chipset [no datasheet]        ?...
***Notes:...
**85C401/402     ISA 486DX/SX Cache chipset    [no datasheet]        ?...
***Notes:...
**85C406/5/411/420/431  EISA 386/486 Chipset   [no datasheet]      c91...
***Notes:...
**85C460         ISA 386DX/486 Single Chip     [no datasheet]        ?
**85C461         ISA 386DX/486 Single Chip     [no datasheet]        ?...
***Notes:...
**85C471/407     Green PC ISA-VLB 486 Single Chip                  <94...
***Info:...
***Configurations:...
***Features:...
**85C496/497     486-VIP 486 Green PC VESA/ISA/PCI Chipset         <95...
***Info:...
***Configurations:...
***Features:...
**85C501/502/503 Pentium/P54C PCI/ISA Chipset                <01/09/95...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**5101/5102/5103 Pentium/P54C PCI/ISA Chipset                <04/02/95...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**5120           Pentium PCI/ISA Chipset (Mobile)            <01/28/97...
***Info:...
***Versions:...
***Features:...
**5501/5502/5503 Pentium/P54C PCI/ISA Chipset                <04/02/95...
***Info:...
***Configurations:...
***Features:...
**5511/5512/5513 Pentium PCI/ISA                             <06/14/95...
***Info:...
***Configurations:...
***Features:...
**5571           (Trinity) Pentium PCI/ISA Chipset (75MHz)   <12/09/96...
***Info:
[no general section in datasheet]

3. Functional Description
3.1 DRAM Controller
3.1.1 DRAM Type
The SiS5571  can support up to  384MBytes (3 banks) of  DRAMs and each
bank could be single or double sided 64 bits FP (Fast Page mode) DRAM,
EDO  (Extended  Data  Output)   DRAM,  and  SDRAM  (Synchronous  DRAM)
DRAM. Half populated bank(32-bit) is also supported.

The installed DRAM type can be 256K,  512k, 1M, 2M, 4M or 16M bit deep
by n bit  wide DRAMs, and both symmetrical  and asymmetrical type DRAM
are supported. It is also  permissible to mix the DRAMs (FP/EDO/SDRAM)
bank  by bank  and  the  corresponding DRAM  timing  will be  switched
automatically according to register settings.

3.1.2 DRAM Configuration

The SiS5571 can support single  sided or double sided DRAM modules for
each bank. The basic configurations are shown as the following:

3.1.3 Double-sided DRAM    [omitted see datasheet]
3.1.4 Single-sided DRAM    [omitted see datasheet]
3.1.5 DRAM Scramble Table  [omitted see datasheet]
3.1.6 64-bit mapping table [omitted see datasheet]

3.2 DRAM Performance       [omitted see datasheet]

3.3 CPU to DRAM Posted Write FIFOs

There is  a built-in CPU  to Memory posted  write buffer with  8 QWord
deep ( CTMFF). All the write  access to DRAM will be buffered. For the
CPU read miss / Line fill cycles, the write- back data from the second
level cache will be buffered first,  and right after the data had been
posted write into the FIFO, CPU can performs the read operation by the
memory controller starting to read  data from DRAMs. The buffered data
are  then written  to DRAM  whenever no  any other  read  DRAM request
comes. With  this concurrent write  back policy, many wait  states are
eliminated. If  there comes a  bunch of continuous DRAM  write cycles,
some ones will be pending if the CTMFF is full.

3.4 32-bit (Half-Populated) DRAM Access
For the read  access, there will be either single  or burst read cycle
to access the DRAM which depends  on the cacheability of the cycle. If
the  current  DRAM  configuration  is half-populated  bank,  then  the
SiS5571 will assert 8 consecutive  cycles to access DRAM for the burst
cycle.  For the  single cycle that only accesses  DRAM within a DWord,
the SiS5571 will  only issue one cycle to access  DRAM. For the single
cycle that  accesses one  Qword or cross  DWord boundary,  the SiS5571
will issue two consecutive cycles to access DRAM.

3.5 Arbiter
The arbiter is the interface  between the DRAM controller and the host
which  can  access  DRAMs.  In  addition  to  pass  or  translate  the
information  from   outside  to  DRAM  controller,   arbiter  is  also
responsible for which master has  higher priority to access DRAMs. The
arbiter treats different DRAM access  request as DRAM master, and that
makes there be  5 masters which are trying to  access DRAMs by sending
their request to the arbiter. After one of them get the grant from the
arbiter, it owns DRAM bus and begins to do memory data transaction.

The masters are: CPU read request, PCI master, Posted write FIFO write
request, and Refresh  request. The order of these  masters shown above
also stands for their priority to access memory.

3.6 Refresh cycle
The refresh cycle  will occur every 15.6 us. It is  timed by a counter
of 14Mhz input.  The CAS[7:0]# will be asserted at  the same time, and
the RAS[5:0]# are asserted sequentially.

3.7 PCI bridge
SiS5571 is  able to operate  at both asynchronous and  synchronous PCI
clocks. Synchronous  mode is provided for those  synchronous system to
improve the overall system performance.  While in the PCI master write
cycles, post-write  is always performed.  And function  of Write Merge
with CPU-to-DRAM  post-write buffer  is incorporated to  eliminate the
penalty of snooping write-back. On the other hand, prefetch is enabled
for master read cycles by default, and such function could be disabled
optionally.  And, Direct-Read  from CPU-to-DRAM  post-write  buffer is
implemented to eliminate the overhead of snooping write-back also.  In
addition to  Write-Merge and  Direct-Read, Snoop-Ahead also  hides the
overhead of inquiry cycles for master to main memory cycles. These key
functions,  Write-Merge,  Direct-Read  and  Snoop-Ahead,  achieve  the
purpose  of zero  wait for  PCI  burst transfer.   The post-write  and
prefetch buffers are both 16 Double-Word deep FIFOs.

3.8  Snooping Control                          [omitted see datasheet]
3.9  AHOLD/BOFF# Process and Arbiter Interface [omitted see datasheet]
3.10 Target Initiated Termination    	       [omitted see datasheet]
3.11 DATA Flow	      			       [omitted see datasheet]
3.12 PCI Master Read/Write DRAM Cycle	       [omitted see datasheet]


***Configurations:...
***Features:...
**5581/5582      (Jessie)  Pentium PCI/ISA Chipset (75MHz)   <04/15/97...
***Info:...
***Configuration:...
***Features:...
**5591/5592/5595 (David)   Pentium PCI A.G.P. Chipset        <01/09/98...
***Info:...
***Configurations:...
***Features:...
**5596/5513      (Genesis) Pentium PCI Chipset               <03/26/96...
***Info:...
***Configurations:...
***Features:...
**5597/5598      (Jedi)    Pentium PCI/ISA Chipset           <04/15/97...
***Info:...
***Configurations:...
***Features:...
**530/5595       (Sinbad) Host, PCI, 3D Graphics & Mem. Ctrl.<11/10/98...
***Info:...
***Configurations:...
***Features:...
**540            (Spartan) Super7 2D/3D Ultra-AGP Single C.S.<11/30/99...
***Info:...
***Configurations...
***Features:...
**55x            SoC (System-on-chip)                        <03/14/02...
***Notes:...
***Versions:...
**
**Support chips:
**85C206     Integrated Peripheral Controller [no datasheet]         ?...
***Notes:...
**5595       Pentium PCI System I/O                          <12/24/97...
***Notes:...
***Info:...
***Versions:...
***Features:...
**950        LPC I/O                                         <07/16/99...
***Info:...
***Versions:...
***Features:...
**Other:...
***Video:...
***Various:...
**PII/III/Pro...
***Notes (Unverified Information!):...
***5600        c:Nov98...
***600         ?...
***620         c:Apr99...
***621         ?...
***630/630E/S  c:Feb00...
***630ST/ET    ?...
***633/633T    c:Mar01...
***635/635T    c:Mar01...
***640T        c:Mar01      ...
**Athlon etc...
***Notes (Unverified Information!):...
***730S/SE     c:Dec00...
***733         c:Apr01...
***735/735S    c:Apr01...
***740         c:Nov01...
***745         c:Feb02...
***746/DX/FX   c:Aug02...
***748         c:Aug03...
***741/741GX   ?...
***M741        ? (mobile)...
*Symphony...
**SL82C360   'Haydn' 80386DX/SX chipset [no datasheet]         c:Jun91...
***Notes:...
***Configurations:...
**SL82C460   'Haydn II' 80486 chipset   [no datasheet]         c:Jun91...
***Notes:...
***Configurations:...
**SL82C470   'Mozart' 486/386 EISA chipset                     c:Dec91...
***Info:...
***Configurations:...
***Features:...
**SL82C490   'Wagner' 486?              [no datasheet]               ?...
***Notes:...
**SL82C550   'Rossini' Pentium          [no datasheet]            c:95...
***Notes:...
***Configurations:...
**
**Support Chips:
**SL82C365    Cache Controller (for 386DX/SX)                     c:91...
***Info:
The SL82C365 supports direct-mapped cache system with data size ranged
from  16KB to  1MB  and line  size  ranged from  1  to 4  doublewords.
Without any  external logic, SL82C365 supports  1 to 4  banks of cache
SRAMs  independent of  the  line  size.  An  8-bit  tag comparator  is
integrated into the  chip which not only saves on  the system cost but
also improves  the overall performance.   25ns tag SRAM and  35ns data
SRAM   are  adequate   for   zero  wait   state  non-pipelined   33Mhz
operation. Assuming  8Kx8, 16Kx4, 32Kx8  and 64Kx4 SRAMs are  used for
tag SRAM, the selectable organization  is indicated in Table 1-1. [see
datasheet]  More options  are  available for  data RAM  configurations
because of the flexibility in  selecting the number of banks. Refer to
section 1.13 [see datasheet] for detailed design examples.

***Versions:...
***Features:...
**SL82C465    Cache Controller (for 486/386DX/SX)                 c:91...
***Info:...
***Versions:...
***Features:...
*TI (Texas Instruments)...
**SN74LS610/2 IBM AT: SN74LS610, SN74LS612 Memory Mappers          <84...
***Notes:...
***Info:...
***Versions:...
***Features:...
**TACT82000   3-Chip 286 [no datasheet]                            c89...
***Notes:...
**TACT82411   Snake  Single-Chip AT Controller                     c90...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**TACT82S411  Snake+ Single-Chip AT Controller [no datasheet]      c91...
***Notes:...
**TACT83000   AT 'Tiger' Chip Set (386)                            c89...
***Info:...
***Configurations:...
***Features:...
**TACT84500   AT Chip Set (486, EISA) [no datasheet, some info]    c91...
***Notes:...
**Other:...
*UMC...
**UM82C***     (IBM/INTEL Direct replacement)                      c87...
**UM82C088     PC/XT Integration Chip                              <91...
***Info:...
***Configurations:...
***Features:...
**UM82C230     286AT MORTAR Chip Set                               <91...
***Info:...
***Configurations:...
***Features:...
**UM82C210     386SX/286 AT Chip Set                               <91...
***Info:...
***Configurations:...
***Features:...
**UM82C3xx     Twinstar & UM82C336F/N & UM82C39x [no datasheet]      ?...
***Notes:...
**UM82C380     386 HEAT PC/AT Chip Set                             <91...
***Info:...
***Configurations:...
***Features:...
**UM82C480     386/486 PC Chip Set                                 c91...
***Info:...
***Configurations:...
***Features:...
**UM82C493/491 ??????????????? [no datasheet]                        ?...
***Notes:...
**UM8498/8496  486 VL Chipset  "Super Energy Star Green"[no dsheet]c94...
***Notes:...
***Configurations:...
**UM8881/8886  HB4 PCI Chipset "Super Energy Star Green"[no dsheet]c94...
***Notes:...
***Configurations:...
**UM8890       Pentium chipset [no datasheet]                        ?...
***Notes:...
***Configurations:...
**
**Support Chips:
**UM82152      Cache Controller (AUStek A38152 clone)              <91...
***Info:...
***Versions:...
***Features:...
**UM82C852     Multi I/O For XT                                    <91...
***Info:...
***Versions:...
***Features:...
**UM82C206     Integrated Peripheral Controller                    <91...
***Info:...
***Versions:...
***Features:...
**UM82c45x     Serial/Parallel chips                                 ?...
***Notes:...
**Other chips:...
***Video:...
***Disk:...
***Peripheral:...
***Other:...
*Unresearched:...
**A - D...
***Appian Technology...
***Atmel...
***Biostar...
***Citygate...
***Cyrix...
***Other...
**E - G...
***Evergreen?...
***Other...
**H - I...
***Hint...
***Other...
**J - R...
***Micro Integration...
***Micron...
****Micron Samurai     (Dual Pentium II)...
****Micron Samurai DDR (Dual Pentium III)...
****Micron Samurai K7  (Dual Athlon)...
****Micron Mamba       (Athlon)...
****Micron Shogun      (Athlon)...
****Micron Scimitar    (Athlon)...
***Oak...
***Other:...
**S...
***Shasta...
***SARC...
***ServerWorks (Reliance Computer Corporation)...
****Serverset III LE ...
****Serverset III HE [NB6536] ...
****Serverset III WS ...
****Serverset III HESL ...
***Sun Electronics (SUNTAC) ...
***Syslogic...
***Other...
**T - Z...
***Toshiba ...
***UniChip ...
***USA...
***Other...
*VIA
**SL9XXX   FlexSet family General information...
**SL9011   System Controller (80286/80386SX/DX, 16/20/25MHz)    <Jan90...
***Info:...
***Versions:...
***Features:...
**SL9020   Data Controller                                      <Jan90...
***Info:...
***Versions:...
***Features:...
**SL9025   Address Controller                                   <Jan90...
***Info:...
***Versions:...
***Features:...
**SL9030   Integrated Peripheral Controller                     <Jan90...
***Info:...
***Versions:...
***Features:...
**SL9090/A Universal PC/AT Clock Chip                           <oct88...
***Info:...
***Versions:...
***Features:...
**SL9095   Power  Management Unit                                    ?...
***Info:...
***Versions:...
***Features:...
**SL9151   80286 Page Interleave Memory Controller (16-25MHz)        ?...
***Info:...
***Versions:...
***Features:...
**SL9250   80386SX Page Mode Memory Controller (16/20MHz 8MB)        ?...
***Info:...
***Versions:...
***Features:...
**SL9251   80386SX Page Interleave Memory Controller         <04/13/90...
***Info:...
***Versions:...
***Features:...
**SL9252   80386SX System and Memory Controller              <06/12/90...
***Info:...
***Versions:...
***Features:...
**SL9350   80386DX Page Mode Memory Controller (16-25MHz 16MB)       ?...
***Info:...
***Versions:...
***Features:...
**SL9351   80386DX Page Interleave Memory Controller (33MHz)         ?
***Info:...
***Versions:...
***Features:...
**SL9352   80386DX System and Memory Controller              <06/12/90...
**SLXXXX   Other chips...
**
**VT82C470     "Jupiter", Chip Set (w/o cache) 386 [no datasheet]    ?
**VT82C475     "Jupiter", Chip Set (w/cache) 386   [no datasheet]    ?
**VT82C486/2/3 "GMC chipset"            [no datasheet, some info]    ?...
**VT82C495/480 "Venus" Chip Set                    [no datasheet]    ?
**VT82C495/491 ? EISA Chip Set          [no datasheet, some info]  <93...
**VT82C496G    Pluto, Green PC 80486 PCI/VL/ISA System       <05/30/94...
**VT82C530MV   3.3V Pentium chipset [no datasheet, some info]<05/30/94...
**VT82C570M    Apollo Master, Green Pentium/P54C             <06/22/95...
**VT82C580VP   Apollo VP,  Pentium/M1/K5 PCI/ISA System      <02/15/96...
**VT82C580VPX  Apollo VPX, VPX/97, Pentium with 66/75MHz Bus <01/09/97...
**VT82C590     Apollo VP2, VP2/97, Single-Chip Pentium 66MHz <01/10/97...
**VT82C597/AT  Apollo VP3, Single-Chip for Pentium with AGP  <10/03/97...
**VT82C598MVP  Apollo MVP3,Single-Chip 66/75/83/100MHz & AGP <09/22/97...
**VT8501       Apollo MVP4,Single-Chip 66-100MHz & AGP       <11/04/98...
**VT82C680     Apollo P6, Pentium-Pro Chip Set               <08/30/96...
**Support chips:
**VT82C505     Pentium/486 VL to PCI Bridge                  <05/30/94...
**VT82C586/A/B PCI Integrated Peripheral Controller          <10/13/96...
**VT82C596/A   Mobile PCI Integrated Peripheral Controller   <11/05/97...
**VT82C686A/B  PCI Super-I/O Integrated Peripheral Ctrl.     <02/10/98...
**Later P-Pro/II/III/Celeron...
**Later AMD...
**Other...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:
ftp://ami.com/archive/Other_Manuals/!index.txt
http://cs.ecust.edu.cn/snwei/studypc/cmos/008.htm
http://chukaev.ru54.com/bios_en.htm
http://www.matrix-bios.nl/id/mr.html
http://maben.homeip.net/static/s100/IBM/BIOS/the%20BIOS%20companion2.pdf
http://pclinks.xtreemhost.com/chipsets_pentium.htm?ckattempt=1
http://redhill.net.au/
http://www.vogonswiki.com/index.php/386_Motherboards
http://www.vogonswiki.com/index.php/Socket_1-3_Motherboards
http://www.vogonswiki.com/index.php/Socket_4_Motherboards
http://www.vogonswiki.com/index.php/Socket_5_/_7_/_Super-7_Motherboards
http://www.vogonswiki.com/index.php/Socket_8_/_Slot_1_/_Socket_370_Motherboards
http://www.idhw.com/textual/chip/chips_tech/chips_tech.html
http://www.idhw.com/textual/chip/acc/chipname.html
http://www.idhw.com/textual/chip/aldtech/chipname.html
http://www.idhw.com/textual/chip/acerlabs/chipname.html
http://www.idhw.com/textual/chip/amd/chipname.html
http://www.plasma-online.de/english/identify/manufacturer/manufacturer_09.html

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