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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):
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**450NX  (?)            06/29/98:...
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**5595       Pentium PCI System I/O                          <12/24/97
***Notes:...
***Info:
SiS5595  is a  highly integrated  system I/O  that constitutes  a high
performance, rich featured, yet glueless solution for both Pentium and
Pentium  II  systems.   

The SiS5595 PCI  system I/O integrates the PCI-to-ISA  bridge with the
DDMA and PC/PCI  DMA, Serial IRQ capability, the  ACPI/Legacy PMU, the
Data  Acquisition   Interface,  the  Universal   Serial  Bus  host/hub
interface,  and the  ISA bus  interface,  which contains  the ISA  bus
controller, the  DMA controllers,  the interrupt controllers,  and the
Timers.  It also integrates the Keyboard controller, and the Real Time
Clock (RTC).  The built-in USB controller, which is fully compliant to
OHCI (Open Host Controller  Interface), provides two USB ports capable
of running full/low speed  USB devices. The Data Acquisition Interface
offers  the  ability of  monitoring  and  reporting the  environmental
condition  of the  PC.  It  could monitor  5  positive analog  voltage
inputs, 2  Fan speed inputs,  and one external temperature  inputs. It
also integrates the automatic power control logic to control the power
ON/OFF for ATX power supply.  In addition, SiS5595 also integrates the
thermal  detection and frequency  ratio control  logic for  Pentium II
CPU.

***Versions:...
***Features:...
**950        LPC I/O                                         <07/16/99...
**Other:...
**PII/III/Pro...
**Athlon etc...
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*Unresearched:...
*VIA...
*VLSI...
**Video: 
VL16160 "RASTER OP" Graphics Boolean Operation ALU. BITBLT  
VL68C45R/S-23 2Mhz Bus 3MHz Character  CMOS CRT Controller.  
VL68C45R/S-35 3Mhz Bus 5MHz Character  CMOS CRT Controller.  
VL68C45R/S-36 3Mhz Bus 6MHz Character  CMOS CRT Controller.  
VL68C45R/S-38 3Mhz Bus 8MHz Character  CMOS CRT Controller.  
VL82C037 VGA 256K 800x600, 16 colors EGA/CGA/MDA compatible
VL82C164 Quad Raster op ALU
VL82C976 Desktop RISC Graphics Accelerator

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