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**82496/491 Cache Controller / Cache RAM (for P5 Pentium) 03/22/93
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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...
**HTK340 "Shasta" 486 Chip Set c:Jun92
***Notes:...
***Info:...
***Configurations:...
***Features:
o Support for 486SX/DX/DX2 CPU
o 2 - 184 pin PQFP devices
o Local bus interface
o 16, 20, 25 and 33MHz CPU speeds
o Fully static operation
o Weitek 4167 supported
o System and Video BIOS on single ROM
o Uses 0.7 Micron HCMOS process
ISA Controller
o AT Compatible
o Synchronized 8MHz ISA bus
o Posted backplane memory writes
o 10 or 16 bit l/O mapping
o Integrated 82375, 82593 and 8254 functionality
o Fast gate A20/Fast reset
Write Buffer
o 4 deep on-chip buffer
o Byte gathering
o Out of order operation
o Full or partial write buffer hits
DRAM Controller
o Line burst capability from DRAM to 80486
o 256K/1M/4M/16M DRAMs
o Mixed memory types
o EMS 4.0
o Hidden refresh operation
o 256MB Maximum system memory
o Staggered refresh
o Shadowing in 16KB increments between 640KB and 1MB
o Remapping
o Fast paging
o 2 or 4 way interleaving
**Support Chips:
**HT44 Secondary Cache c:Jun92...
**Other:...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
**82C566/7/8 Viper-Max Chipset Scalable MultiMedia PC Solution ?
***Info:...
***Configurations:...
***Features:...
**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
***Notes::...
***Info:...
***Configurations:...
***Features:...
**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] ?...
**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...
*SIS...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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