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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
***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...
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*Unresearched:...
*VIA...
*VLSI...
**VL82C286-SET     TOPCAT 286/386SX PC/AT-Compatible Chip Set        ?
***Info:...
***Configurations:...
***Features:...
**VL82C386-SET     TOPCAT 386DX PC/AT-Compatible Chip Set            ?...
**VL82C386sx-SET   TOPCAT 286/386SX PC/AT-Compatible Chip Set        ?...
**VL82C310         SCAMP-LT                                          ?...
**VL82C311         SCAMP-DT                                          ?...
**VL82C311L        SCAMP-DT 286                                      ?...
**VL82C312         SCAMP Power Management Unit (PMU)                 ?...
**VL82C315A        SCAMP II, Low-Power Notebook Chipset              ?...
**VL82C322A        SCAMP II, Power Management Unit (PMU)             ?...
**VL82C316         SCAMP II, PC/AT-Compatible System Controller      ?...
**VL82C323         SCAMP II, 5 Volt Power Management Unit (PMU)      ?...
**VL82C380         Single chip 386DX PC/AT Controller +on-chip cache ?...
**VL82C325             VL82C386SX System Cache controller            ?...
**VL82C335             VL82C386DX System Cache ctrl. [no d.sheet]    ?...
**VL82C315A/322A/3216  Kodiak 32-Bit Low-Voltage Chip Set            ?...
**VL82C420/144/146     SCAMP IV [no datasheet, some info]          c93...
**VL82C480         System/Cache/ISA bus Controller                   ?...
**VL82C481         System/Cache/ISA bus Controller                 c92...
**VL82C486         Single-Chip 486, SC486, Controller                ?...
**VL82C425         486 Cache controller                              ?
***Info:...
***Versions:...
***Features:
o   Single chip second-level cache controller optimized for use with 
    the VL82C486 System Controller
o   Look-aside architecture allows cache to be board-level option
o   Write-back architecture for increased write performance
o   Direct Map with external TAGs
o   Up to 33Mhz operation
o   Supports single motherboard designs for the following cache sizes:
    - 64 KB  (caches 8 or 16 MB DRAM)
    - 128 KB (caches 16 or 32 MB DRAM)
    - 256 KB (caches 32 or 64 MB DRAM)
    - 512 KB (caches 64 or 128 MB DRAM)
    - 1 MB   (caches 128 or 256 MB DRAM)
o   Low total cache system cost:
    - Uses commodity SRAMs for Cache Tag and Cache Data
    - 25 ns data SRAMs; 20 ns tag SRAMs at 33 MHz
o   High Performance:
    - 2-1-1-1 Burst Mode read cycles with two banks of data SRAM
    - 2-2-2-2 Burst Mode read cycles with now bank of data SRAM
    - One wait state writes on cache-hits
    - Minimum cache-miss penalty
o   Flexibility:
    - Supports 8-bit or 9-bit TAG RAM (inclusive of DIRTY bit)
    - Supports one or two banks of SRAM
o   Maintains full coherency during DMA/Master Mode Cycles
    - The VL82C425 is transparent to software, acting as a front-end 
      to system DRAM
o   Setup/sizing mode provides direct access to cache SRAMs
o   128-lead metric quad flat pack (MQFP)

**????????         Cheetah 486, PCI [no datasheet]                   ?...
**VL82C3216        Bus Expanding Controller Cache with write buffer  ?...
**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                                      ?...
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**Other:...
**Not sure if they actually exist...
*Western Digital...
*Winbond...
*ZyMOS...
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