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**82496/491     Cache Controller / Cache RAM (for P5 Pentium) 03/22/93
***Notes:...
***Info:...
***Configurations:...
***Features:
o   High Performance Second Level Cache
    - Zero Walt States at 66 MHz
    - Two-way Set Associative
    - Write-Back with MESI Protocol
    - Concurrent CPU Bus and Memory Bus Operation
    - Boundary Scan
o   Pentium Processor
    - Chip Set Version of Pentium Processor
    - Superscalar Architecture
    - Enhanced Floating Point
    - On-chip SK Code and SK Data Caches
    - See Pentium Processor User's Manual Volume 2 for more 
      Information
o   Highly Flexible
    - 256K to 512K with parity
    - 32, 64, or 128-Bit Wide Memory Bus
    - Synchronous, Asynchronous, and Strobed Memory Bus Operation
    - Selectable Bus Widths, Line Sizes, Transfers, and Burst Orders
o   Full Multiprocessing Support 
    - Concurrent CPU, Memory Bus, and Snoop Operations
    - Complete MESI Protocol
    - Internal/External Parity Generation/Checking
    - Supports Read-for Ownership, Write-Allocation, and Cache-to-
      Cache Transfers

**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...
**GCK113        80386 AT Compatible Chip Set                   c:oct89
***Info:...
***Configurations:...
***Features:...
**GCK181        Universal PS/2 Chip Set                        c:Mar89...
**HT11          Single 286 AT Chip [no datasheet]               <Aug90...
**HT12/+/A      Single 286 AT Chip with EMS support            c:Aug90...
**HT18          80386SX Single Chip                            c:Sep91...
**HT21          386SX/286 Single Chip (20 MHz)                 c:Aug91...
**HT22          386SX/286 Single Chip (25 MHz)                 c:Sep91...
**HT25          3-volt Core Logic for 386SX                    c:Dec92...
**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...
**Other:...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
**VL82C3216        Bus Expanding Controller Cache with write buffer  ?
***Info:...
***Versions:...
***Features:...
**VL82C521/522     Lynx/M                                            ?...
**VL82C530         Eagle Ð                                         c95...
**VL82C541/543     Lynx                                            c95...
**VL82C591/593     SuperCore 590                                   c94...
**VL82C594/596/597 Wildcat                                         c95...
**I/O Chips:
**VL82C106 Combination I/O chip                                      ?...
**VL82C107 SCAMP  Combination I/O chip                               ?...
**VL82C108 TOPCAT Combination I/O chip                               ?...
**VL82C110 Combination I/O chip                                      ?...
**VL82C113 SCAMP  Combination I/O chip                               ?...
**VL82C114 Combination I/O chip                                      ?...
**Video: ...
**Disk:...
**Modems:...
**Other:
***VLX*XXX...
***VL16XXX...
***VL65XXX...
***VL80XXX...
***VL82XXX...
***VL85XXX...
***VL86XXX...
***VXXXXXX...
**Not sure if they actually exist...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...