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**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...
**HT25          3-volt Core Logic for 386SX                    c:Dec92
***Info:...
***Configurations:...
***Features:
o   25MHz operation at 2.7V to 3.6V
o   Extensive power management features
o   SMI support
o   Local Bus Interface
o   CPU clock control
o   16 general purpose I/O pins
o   2 programmable chip selects
o   44 event activity monitor
o   ISA bus refresh control
o   Up to 4 banks of 512Kb, 1 Mb and 4Mb DRAM
o   Flexible DRAM controller
o   Slow and Self refresh DRAM modes
o   Page mode DRAM accesses
o   DRAM page interleaving
o   4 register EMS
o   BIOS shadowing
o   Relocation for unused DRAM segments
o   PROM Write Enable for FLASH support
o   208 pin PQFP

**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...
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