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**82360SL     I/O Subsystem                                   10/05/90
***Notes:...
***Info:...
***Versions:...
***Features:
o   Complete ISA System, with Extended Support 
    - Full ISA Bus Control, Status and Address and Data Interface 
      Logic, with Full 24 mA Drive 
    - Compatible ISA Bus Peripherals: 
      • Two 8237 Direct Memory Access Controllers 
      • Two 8254 Programmable Timer Counters (6 Timer/Counter 
        Channels) 
      • Two 8259A Programmable Interrupt Controllers (15 Channels) 
      • Enhanced LS612 Page Memory Mapper 
      • One 146818 Compatible Real Time Clock w/256-byte CMOS RAM 
      • Two 16450 Compatible Serial Port Controllers 
      • One 8-Bit Parallel I/O Port with High Speed Protocol 
        (Centronics or Bi-Directional) 
    - Additional System I/O Decoding, Programmable Chip Selects and 
      Support Interfaces: 
      • Full Integrated Drive Electronics (I.D.E.) Hard Disk Interface 
      • Floppy Disk Controller 
      • Keyboard Controller Chip Selects and Support Logic 
    - External Real Time Clock Support 
    - PS/2 and EISA Control/Status Ports 
    - Local Memory and ISA-Bus Memory Refresh Control 
    - New ideaPort Interface for Hardware Expansion 
o   Transparent Power-Management System Architecture 
    - Architecture Extension for Truly Compatible Systems 
    - Transparent to Operating Systems and Applications Programs 
    - Programmable Hardware Supports Custom Power-Control Methods 
    - Integrated Power Management Unit Manages Power-Events Safely 



**82370       Integrated System Peripheral (for 82376)         c:Oct88...
**82371FB/SB  PCI ISA IDE Xcelerator 82371FB/82371SB (PIIX/3) 01/31/95...
**82371MX     Mobile PCI I/O IDE Xcelerator (MPIIX)           11/01/95...
**82371AB     PCI-TO-ISA / IDE Xcelerator 82371AB (PIIX4)     02/17/97...
**82374/82375 PCI-EISA Bridge (82374EB/82375EB, 374SB/375SB)   c:Mar93...
**82378       System I/O (SIO) (82378IB and 82378ZB)           c:Mar93...
**82379AB     System I/O-APIC (SIO.A)                           <Dec94...
**82380       32-bit DMA Controller w/ Integrated Peripherals 02/01/87...
**82380FB/AB  PCIset: 82380FB Mobile PCI-to-PCI Bridge(MPCI2) 02/17/97...
**82384       Clock Generator and Reset Interface                  c86...
**82385       32-bit Cache Controller for 80386               09/29/87...
**82385SX     32-bit Cache Controller for 80386SX             01/25/89...
**82395DX     High Performance Smart Cache                    06/18/90...
**82395SX     Smart Cache                                     12/17/90...
**82396SX     Smart Cache                                     12/17/90...
**82485       Turbo Cache (and 485Turbocache)                      c90...
**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
***Notes:
Date source: 1995_Intel_Pentium_Processors_and_Related_Components.pdf

Information taken from: 
            1995_Intel_Pentium_Processors_and_Related_Components.pdf*
                                         8249x Cache controllers.pdf**
>*  Datasheet dated Nov'94
>** Datasheet undated, whole document dated '95

The info and features section have  been solely sourced from the first
source.   The  second source  provides  far  more detail.   Additional
information in the configurations section  and below have been sourced
from the second.

"Although the 82497 Cache Controller  is part of the Pentium processor
(735\90, 815\100, 1000\120, 1110\133) CPU-Cache Chip Set and the 82496
Cache  Controller is part  of the  Pentium Processor  (510\60, 567\66)
Chip  Set, the  two parts  are functionally  identical except  for the
differences noted in this section." - p491

Aside  from some  minor  differences in  pin  configuration, the  main
difference is the direct support  for 3.3V processors. This chipset is
still a 5V part. The cache operates at bus speed, max 66MHz.


This  chip was  used on  the Pentium  90MHz CPU  complexes of  Intel's
Xpress  platform.   Specifically  the BXCPUPENT90  (Single  90MHz,  16
82492s). Also found on IBM 9595/Server 500 Pentium 90MHz complexes.

***Info:...
***Configurations:...
***Features:...
**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
**
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