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*_IBM...
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*AMD . . . . . . . [no datasheets, some info]...
*Chips & Technologies...
**CS8220   PC/AT compatible CHIPSet (82C201/C202/A203/A204/A205)cOct85
***Notes:...
***Info:...
***Configurations:...
***Features;...
**CS8221   NEW Enhanced AT (NEAT)   (82C211/82C212/82C215/82C206)  c86...
**CS8223   LeAPset                  [no datasheet]                   ?
**CS8225   CHIPS/250 PS/2 50/60     [no datasheet, some info]      c88...
**CS8227   CHIPSlite                (82C235/82C641)                  ?...
**CS8230   386/AT                   (82C301/302/303/304/305/306)cFeb87...
**CS8231   TURBO CACHE-BASED 386/AT (82C301/307/303/304/305/306)   c86...
**CS8232   CMOS 386/AT              (82C301/302/303/304/305/306)   c86...
**CS8233   PEAK/386 AT (Cached)     (82C311/82C315/82C316)     c:Dec90...
**CS8236   386/AT                   (82C301/2/3/4/5/6/206)         c86...
**CS8237   TURBO CACHE-BASED 386/AT (82C301/7/3/4/5/6/206)         c86...
**CS8238   CHIPS/280 & 281 (386 MCA)(82C321/322/325/223/226)   c:Aug89...
**CS82310  PEAK/DM 386 AT           (82C351/82C355/82C356)         c91...
**CS8281   NEATsx (386SX)           (82C811/812/215/206)       c:Dec89...
***Info:
The CS8281 NEATsx CHlPSet, which  is composed of four VLSI devices, is
a  high-performance, 100%-compatible  enhanced  implementation of  the
control logic used in the IBM  PC AT. The flexible architecture of the
NEATsx  CHIPSet   allows  it  to  be   used  as  the   basis  for  any
386sx-compatible system.

The CS8281  NEATsx CHIPSet provides a complete  386sx PC/AT compatible
system, requiring only 24 logic components plus memory devices.

The CS8281  NEATsx CHIPSet consists of the  82C811 CPU/bus controller,
the  82C812  page/interleave and  EMS  memory  controller, the  82C215
data/address buffer, and  the 82C206 integrated peripherals controller
(IPC).

The NEATsx  CHIPSet supports a local  CPU bus, a  16-bit system memory
bus, and the AT buses as shown in the NEATsx system block diagram [see
datasheet].  The  82C811 provides synchronization  and control signals
for all buses.   The 82C811 also provides an  independent AT bus clock
and allows  for dynamic  selection between the  processor clock  and a
user~selectable AT bus clock.   Because command delays and wait states
are  configured  by  software,  peripheral boards  are  provided  with
maximum flexibility.

The  82C812  page/interleave and  EMS  memory  controller provides  an
interleaved memory subsystem design with page mode operation.  It sup-
ports up to 8MB of DRAM  with combinations of 256Kb and 1Mb DRAMs. The
processor can operate  at 16 MHz with 0.7  wait state memory accesses,
using 100  nsec DRAMs.   This is possible  through a  page interleaved
memory  scheme. A  RAM shadowing  feature allows  faster  execution of
EPROM stored BIOS code by downloading and executing code from RAM.  in
a DOS environment memory above 1MB can be used as EMS memory.

The 82C215 data/address buffer provides buffering and latching between
the  local CPU address  bus and  the peripheral  address bus.  It also
provides buffering between the local  CPU data bus and the memory data
bus.  Parity bit  generation and error detection logic  resides in the
82C215.  

The 82C206  integrated peripherals controller  is an integral  part of
the NEATsx CHIPSet.  It is described in the 82C206 data book.

System Overview
The CS8281 NEATsx CHIPSet is designed for use in 12-16 MHz 80386 based
systems  and provides complete  support for  the IBM  PC AT  bus. Four
buses are supported by the CS8281 NEATsx CHIPSet: the CPU local bus (A
and D); the system memory bus (MA and MD); the I/O channel bus (SA and
SD); and  the X  bus (XA and  XD). The  system memory bus  provides an
interface between the  CPU and the DRAMs and  EPROMS controlled by the
82C812.   The  I/O  channel  bus  refers to  the  bus  supporting  the
AT-compatible bus adapters  which can be either 8-  or 16-bit devices.
The X  bus is  the peripheral bus  to which  the 82C206 IPC  and other
peripherals are attached in an IBM PC AT.

***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:...
***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...
**82289       Bus Arbiter for iAPX 286 Processor Family            c83...
**82258       Advanced Direct Memory Access Coprocessor(ADMA) 01/01/84...
**82335       High-Integration Interface Device For 386SX      c:Nov88...
**82360SL     I/O Subsystem                                   10/05/90...
**82370       Integrated System Peripheral (for 82376)         c:Oct88...
**82371FB/SB  PCI ISA IDE Xcelerator 82371FB/82371SB (PIIX/3) 01/31/95...
**82371MX     Mobile PCI I/O IDE Xcelerator (MPIIX)           11/01/95...
**82371AB     PCI-TO-ISA / IDE Xcelerator 82371AB (PIIX4)     02/17/97...
**82374/82375 PCI-EISA Bridge (82374EB/82375EB, 374SB/375SB)   c:Mar93...
**82378       System I/O (SIO) (82378IB and 82378ZB)           c:Mar93...
**82379AB     System I/O-APIC (SIO.A)                           <Dec94...
**82380       32-bit DMA Controller w/ Integrated Peripherals 02/01/87...
**82380FB/AB  PCIset: 82380FB Mobile PCI-to-PCI Bridge(MPCI2) 02/17/97...
**82384       Clock Generator and Reset Interface                  c86...
**82385       32-bit Cache Controller for 80386               09/29/87...
**82385SX     32-bit Cache Controller for 80386SX             01/25/89...
**82395DX     High Performance Smart Cache                    06/18/90...
**82395SX     Smart Cache                                     12/17/90...
**82396SX     Smart Cache                                     12/17/90...
**82485       Turbo Cache (and 485Turbocache)                      c90...
**82489DX       Advanced Programmable Interrupt Controller    10/12/92...
**82495DX/490DX DX CPU-Cache Chip Set                           <Sep91...
**82495XP/490XP Cache Controller / Cache RAM (for i860)       06/05/91...
**82496/491     Cache Controller / Cache RAM (for P5 Pentium) 03/22/93...
**82497/492   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
**
**Later chipsets (basic spec):
**440 series:...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series...
*Headland/G2...
**HTK320        386DX Chip Set                                 c:Sep91
***Info:...
***Configurations:
HT321-ISA Controller
HT322-Memory Control Unit (MCU)

***Features:...
**HTK340        "Shasta" 486 Chip Set                          c:Jun92...
**Support Chips:
**HT44          Secondary Cache                                c:Jun92...
**Other:...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
*Symphony...
**SL82C365    Cache Controller (for 386DX/SX)                     c:91
***Info:...
***Versions:...
***Features:...
**SL82C465    Cache Controller (for 486/386DX/SX)                 c:91...
*TI (Texas Instruments)...
**SN74LS610/2 IBM AT: SN74LS610, SN74LS612 Memory Mappers          <84...
**TACT82000   3-Chip 286 [no datasheet]                            c89...
**TACT82411   Snake  Single-Chip AT Controller                     c90...
**TACT82S411  Snake+ Single-Chip AT Controller [no datasheet]      c91...
**TACT83000   AT 'Tiger' Chip Set (386)                            c89...
**TACT84500   AT Chip Set (486, EISA) [no datasheet, some info]    c91...
**Other:...
*UMC...
**UM82C***     (IBM/INTEL Direct replacement)                      c87...
**UM82C088     PC/XT Integration Chip                              <91...
**UM82C230     286AT MORTAR Chip Set                               <91...
**UM82C210     386SX/286 AT Chip Set                               <91...
**UM82C3xx     Twinstar & UM82C336F/N & UM82C39x [no datasheet]      ?...
**UM82C380     386 HEAT PC/AT Chip Set                             <91...
**UM82C480     386/486 PC Chip Set                                 c91...
**UM82C493/491 ??????????????? [no datasheet]                        ?...
**UM8498/8496  486 VL Chipset  "Super Energy Star Green"[no dsheet]c94...
**UM8881/8886  HB4 PCI Chipset "Super Energy Star Green"[no dsheet]c94...
**UM8890       Pentium chipset [no datasheet]                        ?...
**
**Support Chips:
**UM82152      Cache Controller (AUStek A38152 clone)              <91...
**UM82C852     Multi I/O For XT                                    <91...
**UM82C206     Integrated Peripheral Controller                    <91...
**UM82c45x     Serial/Parallel chips                                 ?...
**Other chips:...
*Unresearched:...
**A - D...
***Other
AMSTRAD 40040, 40039, 40041-A - isa8 8086
Asaki 3A029, 3A031  - isa 386dx
Cyclone RC2016A5 9349 - isa 386 no cache
**E - G...
***Evergreen?...
***Other...
**H - I...
***Hint...
***Other...
**J - R...
***Micro Integration...
***Micron...
***Oak...
***Other:...
**S...
***Shasta...
***SARC...
***ServerWorks (Reliance Computer Corporation)...
***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:...

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