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**ET2000     386/486 WB Chipset                                      ?
***Info:...
***Configurations:...
***Features:
o   Process technology used 0.8u CMOS
o   CPUs supported Intel 80486, 80486SX, AMD Am386DX Am486DX, Cyrix 
    486DLC
o   CPU speed supported 16/20/25/33/40/50 MHZ
o   CPU speed supported in 386 system (No external PALS required)
    Intel 80387/ Cyrix / HT/ULSI / WEITEK 3167
o   Coprocessors supported in 486 system (No external PALS required) 
    WEITEK 4167
o   AT clock generation Async / Sync
o   Programmable AT bus clock Yes
o   Hardware / Software turbo switching Yes
o   Page Mode DRAM control Yes
o   Double word interleave control Yes
o   DRAM type supported 256K/1M/4M/16M
o   Mixing DRAMS Yes
o   Concurrent and AT Refresh Yes
o   Shadow RAM range maximum size / block size  256 KB / 64KB
o   Support EISA/ ISA bus compatibility Yes
o   Support Local Bus Yes
o   PQFP package: ETISP - 184, ETCMC, ETEBC, ETEDB -l60
o   Maximum Physical DRAM 256MB
o   Programmable wait states Yes
o   On chip cache controller Yes
o   Support 8kx8 and 8kx9 Tag RAM Yes
o   Cache update scheme Write back
o   Cache organization Direct mapped
o   Data cache size 32KB-1 MB
o   Non-cacheable support Yes
o   Each non-cacheable region size 512KB-32MB
o   Zero wait state cache read hit Yes
o   Zero wait state cache write hit Yes
o   SRAM Burst mode support 2-1-1-1, 2-2-2-2, 3-1-1-1, 3-2-2-2 Yes
o   DRAM Burst mode support Yes
o   External TTL component 11 - 13
o   SRAM speed required @ 50MHz 20ns
o   SRAM speed required @ 40MHZ 20ns
o   SRAM speed required @ 33MHz 20ns
o   SRAM speed required @ 25MHz 35ns
o   AENx generator Yes
o   Fast gate A20 Yes
o   Fast reset Yes

**ET6000     "Cheetah" 486DX/SX Non-Cache System                <Apr92...
**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...
**450NX  (?)            06/29/98:
Chips:
[82454NX] (PXB) [82453NX] (MUX) 
[82452NX] (RCG) [82451NX] (MIOC) 
[82371EB] (PIIX4E),                            
CPUs:          Single/Dual/Quad P-II Xeon/P-III Xeon
DRAM Types:    FPM EDO 2-way Interleave 4-way Interleave
Mem Rows:      8
DRAM Density:  16Mbit 64Mbit
Max Mem:       8GB
ECC/Parity:    Both
AGP speed:     N/A
Bus Speed:     100
PCI Clock/Bus: 1/3


**?????  (Profusion)    c:99...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
**82C556/7/8     Viper [no datasheet]                                ?
***Configurations:...
**82C556/7/8N    Viper-N  Viper Notebook Chipset             <05/25/95...
**82C556M/7M/8E  Viper-N+ Viper Notebook Chipset                  c:96...
**82C566/7/8     Viper-Max Chipset Scalable MultiMedia PC Solution   ?...
**82C571/572     486/Pentium                                      c:93...
**82C576/7/8     Viper Xpress  [no datasheet]                        ?...
**82C576/8/9     Viper XPress+ [no datasheet, some info]     <01/16/97...
**82C596/597     PTMAWB Pentium Adaptive Write-back (Cobra)       c:93...
**82C650/1/2     Discovery (Pentium Pro) [no datasheet]              ?...
**82C681/2/6/7   386/486WB EISA                                   c:92...
**82C683         386/486AWB EISA [no datasheet]                      ?...
**82C693/6/7     Pentium uP Write Back Cache EISA                 c:93...
**82C700         FireStar                                         c:97...
**82C701         FireStar Plus                                    c:97...
**82C750         Vendetta      [no datasheet]                        ?
***Notes:...
**82c801         SCWB2 DX Single Chip Solution                    c:92...
**82C802         SCWB2 PC/AT Single Chip [no datasheet]              ?...
**82C802G/GP     System/Power Management Controller (cached)      c:93...
**82C895         System/Power Management Controller (cached)   c:Sep94...
**82C898         System/Power Management Controller (non-cache)c:Nov94...
**
**Support Chips:
**82C601/2       Buffer Devices                                 <Nov94...
**82C822         PCIB (VLB-to-PCI bridge)                         c:94...
**Other:...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
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*Unresearched:...
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