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*AMD . . . . . . . [no datasheets, some info]...
*Chips & Technologies...
*Contaq  . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
**ET6000     "Cheetah" 486DX/SX Non-Cache System                <Apr92
***Info:...
***Configurations:...
***Features:
o   100% IBM PC/AT Compatible 1-Chip AT Solution
o   Designed to work at 16, 20, 25, 33 and 50MHz on a 4868X/DX based
    system
o   Fast Burst Mode Memory Manager - Burst Read and 0WS Write
o   One blocks of non-cacheable memory regions
o   Up to 64MB DRAM support with Page Mode
o   Mixing DRAM configurations - 256K, 1M and 4M devices
o   Single ROM BIOS
o   Shadow RAM option
o   Software Programmable DRAM Wait States
o   Fast Reset and Gate A20 to Optimize OS/2
o   Asynchronous AT Bus Clock Generation
o   Support Intel 80487SX and Weitek 4167 Coprocessor without external
    PALs
o   Concurrent Refresh and AT Refresh Option
o   Hardware and Software Turbo Clock Switching
o   Local Bus support
o   Less than 10 components plus memory to implement an unique 486
    system
o   1.0 Micron Low Power, High Speed CMOS Technology
o   160 Pin PQFP package

**ET9000     "Jaguar" 486 Write Back Cache AT Single Chip       <Jun92...
**ET9800/391 "Firefox" 386SX Write Back chipset [no datasheet]       ?...
**82C390SX   "Panda" S.C. 386SX Direct Mapped Cache [no d.sheet]cFeb92...
**66x8       VIA clones [no datasheet]                               ?...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**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...
**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:...
**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:...