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**82485       Turbo Cache (and 485Turbocache)                      c90
***Notes:...
***Info:...
***Versions:...
***Features:
o   High Performance 
    - Zero Wait State Access on Cache Hit
    - One Clock Bursting 
    - Two-Way Set Associative 
    - Write Protect Attribute Per Tag
    - Start Memory Cycles in Parallel
o   Easy to Use
    - Matches Intel486 Microprocessor Bus Timing
    - Supports Invalidation Cycles
    - Maintains Memory on Writes
o   High Integration
    - Single Chip Tag RAM and Controller
    - No Logic Needed for CPU and Cache Connection
    - Maps Full 4 Gigabyte Address Space
o   Flexible System Configurations
    - Supports 64K or 128K Cache Memory
    - Supports Non-Cacheable Memory Areas

**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:
***440FX (Natoma)       05/06/96...
***440LX (Balboa)       08/27/97...
***440BX (Seattle)      c:Apr'98...
***440DX (?)            c:?...
***440EX (?)            c:Apr'98...
***440GX (Marlinespike) 06/29/98...
***440ZX & 440ZX-66 (?) 01/04/99...
***440ZX-M (?)          05/17/99...
***440MX (Banister)     05/17/99...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series...
*Headland/G2...
**Other:
HT209D   VGA
HT216-32 Local Bus VGA Controller

*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
**82C601/2       Buffer Devices                                 <Nov94
***Info:...
***Versions:...
***Features:...
**82C822         PCIB (VLB-to-PCI bridge)                         c:94...
**Other:...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
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