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**82485 Turbo Cache (and 485Turbocache) c90
***Notes:...
***Info:...
***Versions:...
***Features:...
**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...
**HT44 Secondary Cache c:Jun92
***Info:...
***Versions:...
***Features:
General Features
o Support for 4868X/DX/DX2 CPUs
o System implementation with Headland’s HTK340 chip set and future
486 chip sets
o 16, 20, 25 and 33 MHz CPU speeds
Memory Configurations
o 32KB, 64KB, 128KB, 256KB, 512KB & 1MB cache sizes
o 25ns SRAMs required at 33 MHz
o Asynchronous and synchronous SRAMs are supported
o Programmable write-protected and non-cacheable regions are
supported through the chip set
Architecture
o Look-Aside
o Write through
o Direct mapped
o Integrated tag comparator
o Zero wait state cache hits
o Simultaneous 486 and secondary cache update on read miss
o 486 line burst cycle support
Package & Die
o 84-pin PLCC
o LSI Logic’s 0.7 micron HCMOS process
**Other:...
*HMC (Hulon Microelectronics)...
*Logicstar...
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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
*Symphony...
**SL82C360 'Haydn' 80386DX/SX chipset [no datasheet] c:Jun91
***Notes:...
***Configurations:...
**SL82C460 'Haydn II' 80486 chipset [no datasheet] c:Jun91...
**SL82C470 'Mozart' 486/386 EISA chipset c:Dec91...
**SL82C490 'Wagner' 486? [no datasheet] ?...
**SL82C550 'Rossini' Pentium [no datasheet] c:95...
**
**Support Chips:
**SL82C365 Cache Controller (for 386DX/SX) c:91
***Info:...
***Versions:...
***Features:...
**SL82C465 Cache Controller (for 486/386DX/SX) c:91...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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