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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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**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...
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*UMC...
**UM82C480     386/486 PC Chip Set                                 c91
***Info:
The UMC82C480  is a highly  integrated, IBM PC/AT compatible  chip set
for  high performance  80386/80486  based  personal computer  systems.
Built with  exquisite [yes  it really says  that] cache  controller in
advanced   1.0um   CMOS   technology,  UM82C481   (Integrated   Memory
Controller, IMC),  UM82C482 (Integrated System Controller,  ISC), with
UM82C206 (Integrated  Peripheral Controller, IPC), and  limited counts
of  commercial parts  constitute  a low  cost,  highly reliable,  full
advanced feature personal computer system.

The UM82C482,  Integrated System  Controller (ISC),  is part  of UMC's
high  performance 80386/80486  PC/AT  chip set.   It  contains AT  bus
control  logic, data  bus  conversion logic,  CPU  reset logic,  clock
generation  for  CPU,  keyboard   and  timer,  DMA/refresh  logic  and
peripheral  interface logic.   Incorporated with  UM82C481, integrated
Memory   Controller  (IMC),   and   UM82C206,  Integrated   Peripheral
Controller (IPC),  ISC provides  system control functions  for overall
PC/AT computer system.

The UM82C481,  Integrated Memory  Controller (IMC),  is part  of UMC's
high performance 80386/80486 PC/AT chip set. It contains sophisticated
direct-mapped  cache controller  with write  back operation,  and fast
page  mode DRAM  controller.  Incorporated  with UM82C482,  Integrated
System   Controller  (ISC),   and   UM82C206,  Integrated   Peripheral
Controller (IPC), IMC provides main memory management function for the
PC/AT computer system.



***Configurations:...
***Features:...
**UM82C493/491 ??????????????? [no datasheet]                        ?...
**UM8498/8496  486 VL Chipset  "Super Energy Star Green"[no dsheet]c94...
**UM8881/8886  HB4 PCI Chipset "Super Energy Star Green"[no dsheet]c94...
**UM8890       Pentium chipset [no datasheet]                        ?...
**
**Support Chips:
**UM82152      Cache Controller (AUStek A38152 clone)              <91...
**UM82C852     Multi I/O For XT                                    <91...
**UM82C206     Integrated Peripheral Controller                    <91...
**UM82c45x     Serial/Parallel chips                                 ?...
**Other chips:...
*Unresearched:...
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*ZyMOS...
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