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**82497/492   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94
***Notes:...
***Info:...
***Configurations:...
***Features:...
**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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**WD6500        CPU Core Logic for PS/2 386DX/486 Compatible       <90
***Notes:...
***Info:...
***Configurations:...
***Features:
****General:...
****WD6000 CPU and Peripheral Control Logic:...
****WD6010 DMA and Arbitration Control Device:...
****WD6022 Address/Data Buffer:...
****WD6030 DRAM/CACHE Channel Control:
o   Hardware (register level) and software compatible to the 
    IBM Personal System/2 MicroChannel implementations
o   Direct-Mapped Cache Controller
    - Direct-mapped, write-through implementation
    - Line size equals four bytes
    - Page mode hits on cache misses
o   DRAM Controller
    - Memory Configuration Registers
    - Complete 256 KB, 1 MB, and 4 MB DRAM support
    - Ability to mix DRAM sizes in different banks
    - Support for up to four banks (up to 64 MBytes) of memory
o   Channel Controller
o   Channel Buffer Controls
o   Programmable Wait States
o   Shadow RAM for fast BIOS execution
o   Extended Setup Facility (ESF)
o   Low Power 0.9 Micron CMOS Technology
o   132-Lead JEDEC Plastic Quad Flat Pack

**WD7600A/LP/LV System Chip Set for 80286 or 80386SX         <11/25/91...
**WD7700/LP     System Chip Set for 80286 or 80386SX (Cache) <11/25/91...
**WD7855        System controller for 80386SX                <09/25/92...
**WD7900/LP/LV  System Chip Set for 80286 or 80386SX (Cache) <11/25/91...
**WD8110        System controller for 80386DX/486            <11/30/93...
**
**Support Chips:
**WD76C20x   Floppy, RTC, IDE and Support Logic Device       <11/25/91...
**WD76C30x   Perip. Ctrl, Interrupt Multiplex, and Clock Gen <11/18/91...
**WD7615     Desktop Buffer Manager                          <04/15/92...
**WD7625     Desktop Buffer Manager                          <10/01/92...
**WD8120LV   Super I/O [no datasheet]                                ?
**Other Chips:...
*Winbond...
*ZyMOS...
*General Sources:...