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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...
**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:
***440FX (Natoma)       05/06/96...
***440LX (Balboa)       08/27/97...
***440BX (Seattle)      c:Apr'98...
***440DX (?)            c:?...
***440EX (?)            c:Apr'98...
***440GX (Marlinespike) 06/29/98...
***440ZX & 440ZX-66 (?) 01/04/99...
***440ZX-M (?)          05/17/99...
***440MX (Banister)     05/17/99...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series...
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**TACT84500   AT Chip Set (486, EISA) [no datasheet, some info]    c91
***Notes:...
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**VL82C110 Combination I/O chip                                      ?
***Info:...
***Versions:...
***Features:
o   Combines the functions of the following PC/AT compatible 
    peripheral chips:
    - Two 16C450 UARTs
    - Parallel printer port
    - 765A compatible floppy disk controller with digital data clock 
      separator
o   Serial ports 100% National NS16C450 compatible
o   UARTs can be programmed as COM1-COM4
o   Bidirectional line printer port
o   CMOS direct drive of Centronics-style interface
o   Printer Port can be programmed as LPT2, 3
o   IDE bus control signals included
o   24 mA bus interface drivers
o   48 mA floppy drive interface
o   Single 24 MHz crystal/oscillator
o   Internal PMU (power management unit)
o   PLL clock circuit for one of seven CPU clock frequencies
o   Pin compatible with National PC87310
o   Hard disk select logic
o   Single 100-lead plastic quad flat pack


**VL82C113 SCAMP  Combination I/O chip                               ?...
**VL82C114 Combination I/O chip                                      ?...
**Video: ...
**Disk:...
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**Other:...
**Not sure if they actually exist...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...