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*TI (Texas Instruments)...
*UMC...
**UM82C***     (IBM/INTEL Direct replacement)                      c87
Note:  Dates vary  for when  these  chips were  first available.   Two
databooks have been used one from  '86 the other from '91. Not all the
chips  are  listed  in  the  '86  databook, the  date  of  '87  is  an
assumption.

PC/XT:
IBM:	      UMC:	  Desc:
Intel 8284    UM82C84A    25MHz CMOS Clock Generator and Driver
Intel 8288    UM82C88     Bus Controller
Intel 8259    UM8259A     Programmable Interrupt Controller also UM82C59A-2 (CMOS version)
Intel 8237    UM8237A     3-5MHz Programmable DMA Controller (DMAC)
Intel 8253    UM8253*2    2.6-5MHz Programmable Interval Timer
Intel 8255    UM82C55A*   Programmable Peripheral Interface

Note: *  indicates: possible  compatibility, datasheet does  not state
      explicitly. YMMV.

Note: *2  indicates:   The   UM8253   can   be   replaced   with   the
      UM82C54/-2. The datasheet says it is a superset of the 8253, and
      works up to 10MHz. Also it's compatible with the 8254.  AT: IBM:
      UMC: Desc: Intel 82284  UM82C284* 10-12.5MHz Clock Generator and
      Ready Interface Intel 82288  UM82C288* 10-12.5MHz Bus Controller
      Intel 8254  UM82C54/-2 8-10MHz CMOS Programmable  Interval Timer
      Intel  8259  UM8259A   Programmable  Interrupt  Controller  also
      UM82C59A-2 (CMOS version) Intel 8237 UM8237A 3-5MHz Programmable
      DMA Controller (DMAC) 74LS612 UM74HCT612* Memory Mapper MC146818
      RTC  UM82C6818* Real-Time  Clock (RTC)  Intel 8047  ??  Keyboard
      Controller

Note: *  indicates: possible  compatibility, datasheet does  not state
explicitly. YMMV.

**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
***Info:...
***Configurations:...
***Features:...
**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
***Info:...
***Versions:...
***Features:...
**UM82c45x     Serial/Parallel chips                                 ?...
**Other chips:...
*Unresearched:...
*VIA...
**SL9011   System Controller (80286/80386SX/DX, 16/20/25MHz)    <Jan90
***Info:
The SL9011 System Controller is  a member of VIA's FlexSet family that
efficiently integrates the PC/ AT system control logic.

The SL9011  is part of  the Core AT  Logic that implements  the system
logic  which  is common  to  the  microprocessors  80286, 80386SX  and
80386DX. Up  to 25 MHz performance  is supported.  In  addition to the
SL9011,  the  Core  AT  Logic   chips  consists  of  the  SL9020  Data
Controller,  the  SL9025  Address  Controller, the  SL9030  Integrated
Peripheral Controller and the SL9X50/1 Memory Controller.

The SL9011 provides the AT  System Control Logic. It generates all the
major clocks for an AT compatible system design along with the command
and  control signals  for both  the system  and peripheral  busses. It
interfaces with  the CPU  to determine  the type of  the bus  cycle to
execute,  and  generates  the  CPU  READY signal.  The  SL9011  System
Controller contains logic to make conversions between 16-bit and 8-bit
data accesses. It also generates the control signals necessary for the
80287, 80387SX and 80387DX Numeric Processors.

The SL9011 controls all  bus activity and provides arbitration between
the CPU,  DMA, External  Master devices and  the Refresh logic.  It is
designed using  advanced 1.5 micron,  double layer metal  CMOS process
and is offered in a 100 pin plastic flatpack package.

SL9011 operates in four basic modes. First and most common, is the CPU
mode. This mode is active any time CPUHLDA is low.

The other modes  can only be active when CPUHLDA  is high. These modes
are DMA  mode, External  Master Mode, or  Refresh Mode. If  the inputs
NAEN1 or NAEN2  are active, the SL9011 is in DMA  mode and the command
bus is driven from the inputs on the peripheral bus.

***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...
***Info:...
***Versions:...
***Features:...
**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]    ?...
***Notes:...
***Info:...
***Configurations:...
**VT82C495/480 "Venus" Chip Set                    [no datasheet]    ?
**VT82C495/491 ? EISA Chip Set          [no datasheet, some info]  <93...
***Notes:...
***Configurations:...
**VT82C496G    Pluto, Green PC 80486 PCI/VL/ISA System       <05/30/94...
***Info:...
***Configurations:...
***Features...
**VT82C530MV   3.3V Pentium chipset [no datasheet, some info]<05/30/94...
***Configurations:...
**VT82C570M    Apollo Master, Green Pentium/P54C             <06/22/95...
***Info:...
***Configurations:...
***Features:...
**VT82C580VP   Apollo VP,  Pentium/M1/K5 PCI/ISA System      <02/15/96...
***Info:...
***Configurations:...
***Features:...
**VT82C580VPX  Apollo VPX, VPX/97, Pentium with 66/75MHz Bus <01/09/97...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**VT82C590     Apollo VP2, VP2/97, Single-Chip Pentium 66MHz <01/10/97...
***Info:...
***Configurations:...
***Features:...
**VT82C597/AT  Apollo VP3, Single-Chip for Pentium with AGP  <10/03/97...
***Info:...
***Configurations:...
***Features:...
**VT82C598MVP  Apollo MVP3,Single-Chip 66/75/83/100MHz & AGP <09/22/97...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**VT8501       Apollo MVP4,Single-Chip 66-100MHz & AGP       <11/04/98...
***Notes:...
***info:...
***Configurations:...
***Features:...
**VT82C680     Apollo P6, Pentium-Pro Chip Set               <08/30/96...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**Support chips:
**VT82C505     Pentium/486 VL to PCI Bridge                  <05/30/94...
***Info:...
***Versions:...
***Features:...
**VT82C586/A/B PCI Integrated Peripheral Controller          <10/13/96...
***Info:...
***Versions:...
***Features:...
**VT82C596/A   Mobile PCI Integrated Peripheral Controller   <11/05/97...
***Info:...
***Versions:...
***Features:...
**VT82C686A/B  PCI Super-I/O Integrated Peripheral Ctrl.     <02/10/98...
***Info:...
***Versions:...
***Features:...
**Later P-Pro/II/III/Celeron...
***Notes (Unverified Information!):...
***VT82C691/2BX     Apollo Pro & Pro II           May 98...
***VT82C693         Apollo Pro+                   Dec 98...
***VT82C693A        Apollo Pro 133                Jul 99...
***VT82C694X/MP/Z/A Apollo Pro 133A, 133+ & 133Z  Oct 99...
***VT82C694T        Apollo Pro 133T...
***VT8601           PN133 (ProSavage) (mobile)...
***VT8601/A/T       PM601, PLE133, PLE266 & PLE133T (ProMedia)...
***VT8604/T         PL133 & PL133T (ProSavage)...
***VT8605/6         PM133 & PM133T (ProMedia-II), (ProSavage)...
***VT8607/8         PM266 & PM266T (ProSavageDDR)...
***VT8613           PN266T (mobile)...
***VT8633           Apollo Pro 266                Sep 00...
***VT8653           Apollo Pro 266T & PX-266...
***VT8622/23        CLE266 (mobile)...
***VT????           CM400                         Jan 04...
***Others:...
**Later AMD...
***Notes (Unverified Information!):...
***VT8371           KX-133...
***VT8361           KLE133, Trident Blade 3D      c:2001...
***VT8362/5         KN-133, KM-133 (VS2-K7) ProSavage4...
***VT8363           KT-133, KZ-133...
***VT8363A          KT-133A                       c:2001...
***VT8363E          KT-133E...
***VT8364           KL-133  Savage4 AGP...
***VT8364A          KL-133A Savage4 AGP...
***VT8365A          KM-133A (VS2-K7)  ProSavage4...
***VT8366/8372      KT-266, KT-266DP, KN-266      c:Jan01...
***VT8366A          KT-266A                       c:Sep01...
***VT8367           KT-333                        c:Feb02...
***VT8367A          KT-333A                       c:Feb02...
***?                KM-333, KN-333 Zeotrope AGP ...
***VT8368           KT-400                        c:Aug02...
***VT8375           KL266, KM-266 (VS12-K7) ProSavage8...
***VT8377A          KT-400A                       c:Mar03...
***VT8378           KM-400, KN-400  UniChrome AGP...
***?                KM-400A...
***VT8377?          KT-600                        c:May03...
***VT8379           KT-880                        c:Feb04...
**Other...
***Disk...
***USB/Firewire...
***Network...
***Audio...
***Other...
*VLSI...
**Notes:...
**VL82C***              IBM/INTEL Direct replacement                 ?...
**VL82CPCAT-QC          AT 12 MHz 0/1 ws                           c88...
***Basics:...
***Info:...
***Configurations:...
***Features:...
**VL82CPCPM-QC          AT 16 MHz 0/1 ws [no datasheet]            c88...
***Notes:...
**VL82CPCAT-16QC/-20QC  AT 16 MHz or 20 MHz, 0/1 ws     +386SX     c89...
***Basics:...
***Info:...
***Configurations:...
***Features:...
**VL82CPCPM-16QC/-20QC  AT 16 MHz or 20 MHz, Page-Mode  +386SX     c89...
***Basics:...
***Info:...
***Configurations:...
***Features:...
**VL82C031/032/033      PS/2 Model 30-compatible chip set          c88...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**VL82C286-SET     TOPCAT 286/386SX PC/AT-Compatible Chip Set        ?...
***Info:...
***Configurations:...
***Features:...
**VL82C386-SET     TOPCAT 386DX PC/AT-Compatible Chip Set            ?...
***Info:...
***Configuration:...
***Features:...
**VL82C386sx-SET   TOPCAT 286/386SX PC/AT-Compatible Chip Set        ?...
***Notes:...
**VL82C310         SCAMP-LT                                          ?...
***Info:...
***Configurations:...
**VL82C311         SCAMP-DT                                          ?...
***Info:...
***Configurations:...
***Features:...
**VL82C311L        SCAMP-DT 286                                      ?...
***Info:...
***Configurations:...
**VL82C312         SCAMP Power Management Unit (PMU)                 ?...
***Info;...
***Versions:...
***Features:...
**VL82C315A        SCAMP II, Low-Power Notebook Chipset              ?...
***Info:...
***Configurations:...
***Features:...
**VL82C322A        SCAMP II, Power Management Unit (PMU)             ?...
***Info:...
***Versions:...
***Features:...
**VL82C316         SCAMP II, PC/AT-Compatible System Controller      ?...
***Info:...
***Configurations:...
***Features:...
**VL82C323         SCAMP II, 5 Volt Power Management Unit (PMU)      ?...
***Info:...
***Versions:...
***Features:...
**VL82C380         Single chip 386DX PC/AT Controller +on-chip cache ?...
***Info:...
***Configuration:...
***Features:...
**VL82C325             VL82C386SX System Cache controller            ?...
***Info:...
***Versions:...
***Features:...
**VL82C335             VL82C386DX System Cache ctrl. [no d.sheet]    ?...
***Notes:...
**VL82C315A/322A/3216  Kodiak 32-Bit Low-Voltage Chip Set            ?...
***Info:...
***Configurations:...
**VL82C420/144/146     SCAMP IV [no datasheet, some info]          c93...
***Notes:...
**VL82C480         System/Cache/ISA bus Controller                   ?...
***Info:...
***Configurations:...
***Features:...
**VL82C481         System/Cache/ISA bus Controller                 c92...
***Basics:...
***Info:...
***differences to the VL82C480:...
***Configurations:...
***Features:...
**VL82C486         Single-Chip 486, SC486, Controller                ?...
***Basics:...
***Info:...
***Configurations:...
***Features:...
**VL82C425         486 Cache controller                              ?...
***Info:...
***Versions:...
***Features:...
**????????         Cheetah 486, PCI [no datasheet]                   ?...
***Info:...
**VL82C3216        Bus Expanding Controller Cache with write buffer  ?...
***Info:...
***Versions:...
***Features:...
**VL82C521/522     Lynx/M                                            ?...
***Info:...
***Configurations:...
***Features:...
**VL82C530         Eagle Ð                                         c95...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**VL82C541/543     Lynx                                            c95...
***Notes:...
***Basics:...
***Info:...
***Configurations:...
***Features:...
**VL82C591/593     SuperCore 590                                   c94...
***Notes:...
***Configurations:...
**VL82C594/596/597 Wildcat                                         c95...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**I/O Chips:
**VL82C106 Combination I/O chip                                      ?...
***Info:...
***Versions:...
***Features:...
**VL82C107 SCAMP  Combination I/O chip                               ?...
***Info:...
***Versions:...
***Features:...
**VL82C108 TOPCAT Combination I/O chip                               ?...
***Info:...
***Versions:...
***Features:...
**VL82C110 Combination I/O chip                                      ?...
***Info:...
***Versions:...
***Features:...
**VL82C113 SCAMP  Combination I/O chip                               ?...
***Info:...
***Versions:...
***Features:...
**VL82C114 Combination I/O chip                                      ?...
***Info:...
***Versions:...
***Features:...
**Video: ...
**Disk:...
**Modems:...
**Other:...
***VLX*XXX...
***VL16XXX...
***VL65XXX...
***VL80XXX...
***VL82XXX...
***VL85XXX...
***VL86XXX...
***VXXXXXX...
**Not sure if they actually exist...
*Western Digital...
**Notes:...
**FE2010/A      XT CPU controller integrated Circuit         >11/22/85...
***Notes:...
***Info:...
***Versions:...
***Features:...
**FE2011        CPU Core Logic for PS/2 Model 30 Compatible       c:87...
***Info:...
***Versions:...
***Features:...
**FE3400/B      80286-Based AT Compatible CPU Core Logic (12 MHz) c:86...
***Info:...
***Configurations:...
***Features:...
**FE3500/B      80286-Based AT Compatible CPU Core Logic (12 MHz) c:87...
***Notes:	...
***Info:...
***Configurations:...
***Features:...
**FE3600/A/B/C  16/20MHz AT Chip set                              c:88...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**FE5300        CPU Core Logic for PS/2 Model 50/60 Compatibles   c:87...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**FE5400        CPU Core Logic for PS/2 Model 50/60 Compatibles   c:87...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**FE6500        CPU Core Logic for PS/2 Model 70/80 Compatibles   c:88...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**WD6400SX/LP   CPU Core Logic for PS/2 386SX Compatibles          <90...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**WD6500        CPU Core Logic for PS/2 386DX/486 Compatible       <90...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**WD7600A/LP/LV System Chip Set for 80286 or 80386SX         <11/25/91...
***Info:...
***Configurations:...
***Features:...
**WD7700/LP     System Chip Set for 80286 or 80386SX (Cache) <11/25/91...
***Info:...
***Configurations:...
***Features:...
**WD7855        System controller for 80386SX                <09/25/92...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**WD7900/LP/LV  System Chip Set for 80286 or 80386SX (Cache) <11/25/91...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**WD8110        System controller for 80386DX/486            <11/30/93...
***Notes:...
***Info:...
***Configurations:...
***Features:...
**
**Support Chips:
**WD76C20x   Floppy, RTC, IDE and Support Logic Device       <11/25/91...
***Info:...
***Versions:...
***Features:...
**WD76C30x   Perip. Ctrl, Interrupt Multiplex, and Clock Gen <11/18/91...
***Notes:...
***Info:...
***Versions:...
***Features:...
**WD7615     Desktop Buffer Manager                          <04/15/92...
***Info:...
***Versions:...
***Features:...
**WD7625     Desktop Buffer Manager                          <10/01/92...
***Info:...
***Versions:...
***Features:...
**WD8120LV   Super I/O [no datasheet]                                ?
**Other Chips:...
*Winbond...
**Chipsets:
**W83C491/92  VL-Bus chipset (Symphony Wagner SL82C491/2)[no datasheet]
**W83C553F    System I/O Controller With PCI Arbiter           c:sep95...
***Info:...
***Versions:...
***Features:...
**W83628F/29D PCI TO ISA Bridge Set                                c98...
***Info:...
***Configurations:...
***Features:...
**W83626F/D   LPC TO ISA Bridge Set                                <00...
***Info:...
***Versions:...
***Features:...
**
**Multi I/O:
**W83757          SUPER I/O  CHIP                                  <92...
***Info:...
***Versions:...
***Features:...
**W83767F         ??           Multi I/O  [no datasheet]
**W83777F/87F     Power I/O   (Multi I/O)                          <95...
***Info:...
***Versions:...
***Features:...
**W83877F         WINBOND I/O (Multi I/O)                          <96...
***Info:...
***Versions:...
***Features:...
**W83877TF/TG/TD  WINBOND I/O (Multi I/O)                          c97...
***Info:...
***Versions:...
***Features:...
**W83977F/G/AF/AG WINBOND I/O (Multi I/O)                          c97...
***Info:...
***Versions:...
***Features:...
**W83977TF        WINBOND I/O (Multi I/O)                          c97...
***Info:...
***Versions:...
***Features:...
**W83977EF        WINBOND I/O (Multi I/O)                          <98...
***Info:...
***Versions:...
***Features:...
**W83977ATF       WINBOND I/O (Multi I/O)                          <98...
***Info:...
***Versions:...
***Features:...
**
**Disk Controller:
**W83759/A/F/AF   Advanced VL-IDE Disk Controller                  <96...
***Notes:...
***Info:...
***Versions:...
***Features:...
**W83769          Local Bus IDE Solution                           <94...
***Info:...
***Versions:...
***Features:...
**
**UARTS:
**W86C250A  UART (equivalent of INS8C250A) [no datasheet]
**W86C450/P Universal Asynchronous Receiver/Transmitter         <Jul89...
***Info:...
***Versions:...
***Features:...
**W86C451   I/O controller for IBM PC/AT/XT                     <Jul89...
***Info:...
***Versions:...
***Features:...
**W86C452   I/O controller for IBM PC/AT                         Jul89...
***Info:...
***Versions:...
***Features:...
**W86C456   I/O controller [no datasheet]                            ?
**W860551/P UART with FIFO and Printer Port Controller             <94...
***Info:...
***Versions:...
***Features:...
**
**Other:...
***I/O:
***W83758/F  I/O COUPLER                                           <94...
***W83768    I/O COUPLER                                       c:oct94...
***Network...
***Video...
***More:...
*ZyMOS
**ZyMOS POACH ...
**Other:...
*General Sources:...