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**Quote style:
To avoid  thousands of quote marks  and colliding with quote  marks in
the  text, I  have used  a modified  quotation style.   Anything in  a
section  titled "Info:"  or "Features:"  is a  quote from  a datasheet
unless otherwised stated in that  section.  In these sections anything
inside  [] is  an  annotation and  not part  of  the datasheet  unless
otherwise stated in that section.

Under any other section, the text is my own unless indicated with "".

Also  this document  does not  contain the  entire datasheet  for each
chip, usually only the first few pages are included to give an outline
of it. Some datasheets are 100s of pages other are only 1.

**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:

See:
 http://108.59.254.117/~mR_Slug/pub/datasheets/chipsets/

Regetfully I did not keep them all.

*_IBM...
*ACC Micro...
*ALD...
*ALi...
*AMD . . . . . . . [no datasheets, some info]...
*Chips & Technologies...
*Contaq  . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**82395SX     Smart Cache                                     12/17/90
***Notes:...
**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...
**HT21          386SX/286 Single Chip (20 MHz)                 c:Aug91
***Info:...
***Configurations:...
***Features:
o   Single Chip 80386SX/286 PC/AT Compatible Solution for CPU Clock 
    Speeds to 20MHz
o   SX Mode or 286 Mode
o   Supports up to 8 MB DRAM using 1M or 256K Devices in by 1 or 4 
    configuration
o   Page Mode and 2 or 4-Way Interleaving
o   LIM EMS 4.0 Support in Hardware using 2 Sets of 32 EMS Registers
o   8-Bit or 16-Bit BIOS Support
o   Asynchronous AT Bus Clock
o   Supports up to 12 MHz Backplane Operation
o   Programmable DRAM Timing
o   Port 92 Alternate GATEA20 and Hot Reset
o   Shadow RAM support over entire C0000-DFFFF range in 16K 
    increments
o   BIOS Shadow support in 64K increments
o   Built-in Sleep Mode
o   Three-state control pins for board level testing
o   HCMOS Technology

**HT22          386SX/286 Single Chip (25 MHz)                 c:Sep91...
**HT25          3-volt Core Logic for 386SX                    c:Dec92...
**HT35          Single-Chip Peripheral Controller [partial info]     ?...
**HTK320        386DX Chip Set                                 c:Sep91...
**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...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...