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**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94
***Notes:...
***Info:...
***Configurations:...
***Features:...
**
**Later chipsets (basic spec):
**440 series:...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
**HMC82C206 Integrated Peripherals Controller (10MHz C&T 82c206)     ?
***Info:...
***Versions:...
***Features...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
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*Unresearched:...
*VIA...
*VLSI...
**VL82C316         SCAMP II, PC/AT-Compatible System Controller      ?
***Info:...
***Configurations:...
***Features:
o   Compatible with 386SX-based PC/AT compatible systems
o   Up to 33 MHz system clock
o   Replaces 11 peripheral devices 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
    - Keyboard Controller
    - Real-time clock
o   Includes:
    - Memory/refresh controller
    - Port B and NMI logic
    - Bus steering logic
    - Parity generation checking logic
    - Turbo Mode control logic
    - Staggered refresh to minimize power supply load variations
    - Three-state control pin for board level testability
o   Supports:
    - Up to 16 MB system memory
    - PCMCIA 1.0 IC Memory Card mapping logic
    - VL82C325 (SX) Cache Controller compatible
    - Four 16- or 18-bit wide banks of 256K, 1M, or 4M DRAM or eight
    - 16-bit wide banks of 512K x 8 DRAM
    - Shadow RAM in 640K to 1M range
    - 387SX numeric coprocessors
    - 8- or 16-bit wide BIOS ROMs
    - Synchronous or asynchronous slot bus operation up to 16 MHz
    - Relocation of video and slot ROMs
o   Power saving features include:
    - Sleep and Suspend Modes
    - Slow DRAM refresh
    - CAS-before-RAS and Self-Refresh
    - Sleep Mode refresh switch to 32 kHz clock
    - Leakage Control in Stop Clock or Suspend Mode
    - CPU on or off option in Suspend Mode
    - Low-power page interleave memory mode
    - Fully static operation
    - DMA power management mode
    - Full SMM (system Management Mode) and I/O breal support
    - Supports standard Sleep Mode for interface to the VL82C323
      Power Management Unit (PMU) or other third party PMUs
    - Programmable, extendable peripheral cycle
    - Disable software coprocessor reset option
    - Option for automatic bus speed-up on video or PCMCIA accesses
    - Full support for local bus peripherals
    - Separate power pins for ISA bus signals allows ISA to be powered
      down independently of other interfaces
o   Other advanced features:
    - Programmable I/O decode for 10 or 16-bit addresses
    - Hardware configurable setup to minimize custom BIOS requirements
    - Programmable drive current to reduce ringing on DRAM
o   0.8-micron CMOS technology
o   208-lead metric quad flat pack (MQFP)


**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: ...
**Disk:
VL1772-02 5-1/4-inch Floppy Disk Controller/Formatter
VL2793  Single Sided Floppy Disk Formatter/Controller
VL2797  Double Sided Floppy Disk Formatter/Controller
VL53C80 Async SCSI Interface (CMOS) 1.5M bps 
VL6765  Double-Density 4 Floppy Disk Controller.  
VL83C11 SCSI Buffer (CMOS)
VY06612A2 Drive controller

**Modems:...
**Other:...
**Not sure if they actually exist...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...