[Home] [This version is outdated, a new version is here]
*Title...
*Search:...
*Read Me/FAQ/General Info...
*_IBM...
*ACC Micro...
*ALD...
*ALi...
*AMD . . . . . . . [no datasheets, some info]...
*Chips & Technologies...
*Contaq . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
**ET9000 "Jaguar" 486 Write Back Cache AT Single Chip <Jun92
***Info:...
***Configurations:...
***Features:
o 100% IBM PC/AT Compatible 1-Chip AT Solution
o 1X clock source
o Designed to work at 16, 20, 25, 33, and 50MHz for 4868X/486DX
system
o Flexible architecture to support 64KB 128KB, 256KB and 512KB
Write Back Cache Subsystems
o Supports 2-1-1-1, 3-1-1-1, 2-2-2-2, and 3-2-2-2 cache Burst
move-in cycles
o Built-in Comparator
o Support two programmable non-cacheable regions
o Up to 64MB DRAM memory support with Page Mode
o Mixing DRAM configurations 256K, 1M and 4M devices
o Software Programmable DRAM Wait States
o Shadow RAM option
o Support 80487SX and Weitek 4167 Coprocessors
o Option for write protected, cacheable main and video BIOS
o Fast Reset and Gate A20 to optimize OS/2
o Asynchronous and Synchronous AT Bus Clock with programmable
clock division options:CLK2 divided by 2, 3, 4, 5, 6, 8, 10
o Concurrent Refresh and slow refresh supported
o Support 8Kx8 and 8Kx9 Tag RAM
o Hardware and Software Turbo Clock Switching
o Support Local Bus
o 1.0 Micron Low Power, High Speed CMOS Technology
o Less than 12 components plus memory to implement an 486
system
o 184 Pin PQFP package
**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...
**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...
*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:...
(c) Copyright mR_Slugs Warehouse - All rights Reserved