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**82489DX       Advanced Programmable Interrupt Controller    10/12/92
***Notes:...
***Info:...
***Versions:...
***Features:...
**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...
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**SL9010  System Controller (80286/80386SX/DX, 16/20/25MHz)     <oct88
***Info:...
***Versions:...
***Features:...
**SL9020  Data Controller                                       <oct88...
**SL9025  Address Controller                                    <oct88...
**SL9090  Universal PC/AT Clock Chip                            <oct88...
**SL9250  Page Mode Memory Controller (16/20MHz 8MB Max)        <oct88...
**SL9350  Page Mode Memory Controller (16/20/25MHz 16MB Max)    <oct88...
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*VLSI...
**VL82C311         SCAMP-DT                                          ?
***Info:...
***Configurations:...
***Features:
o   Fully compatible with 286- or 386SX-based PC/AT compatible systems
    (VL82C311L is 286 compatible only)
o   Up to 25 MHz system clock in a 386SX-based system and up to 20 MHz
    in a 286-based system
o   Replaces the following peripheral logic on the motherboard:
    - Two 82C37A DMA controllers
    - 74LS612 memory mapper 
    - Two 82C59A interrupt controllers
    - 82C54 timer
    - 82284 clock generator and ready interface
    - 82288 bus controller
o   Includes:
    - Memory/refresh controller
    - Port B, and NMI logic
    - Bus steering logic
    - Parity generation logic
    - Parity checking logic
    - Turbo control logic
    - Staggered refresh to minimize power supply load variations
    - Three-state control pin for board level testing
o   Memory controller features include:
    - Programmable option for page mode or non-page mode operation
    - Two-way block interleaving 
    - Programmable option for zero and one wait state operation
    - Capability to drive up to four banks directly
o   VL82C310 power saving features include:
    - Sleep Mode
    - Slow DRAM refresh
    - Low power page interleave memory mode
o   Supports:
    - Up to 16 MB system memory
    - LIM EMS 4.0 over entire system memory
    - JEIDA IC Memory Card (VL92C310 only)
    - VL82C325 (SX) Cache controller
    - Four 16-bit wide banks of 256K, 1M, or 4M DRAM or SRAM
    - Shadow RAM in 640K to 1M range
    - 287 and 387SX numeric coprocessors
    - 8- and 16-bit wide BIOS ROMs
    - Asynchronous slot bus operation
    - Systems with up to 16 MHz backplane operation
    - Relocation of video and slot ROMs
o   Other advanced features:
    - Programmable I/O decode for 10- pr 16-bit addresses
    - Hardware configurable setup to minimize custom BIOS requirements
    - Programmable drive current to reduce ringing on DRAM and slot
      bus interface signals
    - Programmable, extendable peripheral cycle
    - Capability to disable software coprocessor reset
    - Automatic bus speed-up on video access
o   1.0-micron CMOS technology
o   160-lead metric quad flat pack (MQFP)

**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                              ?...
**????????         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                                      ?...
**Video: ...
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**Not sure if they actually exist...
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