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**82380       32-bit DMA Controller w/ Integrated Peripherals 02/01/87
***Notes:...
***Info: ...
***Versions:...
***Features:
o   High Performance 32-Bit DMA Controller
    - 50 MBytes/sec Maximum Data Transfer Rate at 25 MHz
    - 8 Independently Programmable Channels
o   20-Source Interrupt Controller 
    - Individually Programmable Interrupt Vectors
    - 15 External, 5 Internal Interrupts
    - 82C59A Superset
o   Four 16-Bit Programmable Interval Timers
    - 82C54 Compatible
o   Programmable Walt State Generator
    - 0 to 15 Wait States Pipelined
    - 1 to 16 Wait States Non-Pipelined
o   DRAM Refresh Controller
o   80386 Shutdown Detect and Reset Control
    - Software/Hardware Reset
o   High Speed CHMOS III Technology
o   132-Pin PGA Package
o   Optimized for use with the 80386 Microprocessor
    - Resides on Local Bus for Maximum Bus Bandwidth

**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
***Notes:...
***Info:...
***Configurations:...
***Features:...
**82495XP/490XP Cache Controller / Cache RAM (for i860)       06/05/91...
**82496/491     Cache Controller / Cache RAM (for P5 Pentium) 03/22/93
***Notes:
Date source: TimelineDateSort7_05.pdf

Information taken from: 
            1995_Intel_Pentium_Processors_and_Related_Components.pdf*
                                         8249x Cache controllers.pdf**

>*  Datasheet dated Oct'93
>** 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  has been sourced  from the
second.

This  chip was  used on  the Pentium  66MHz CPU  complexes of  Intel's
Xpress platform.   Specifically the  BXCPUPENT66 (Single  66MHz, eight
82491s) and BXCPU2XPENT (Dual 66 MHz,  eight 82491s). Also found on P5
60/66MHz CPU complexes of IBM 9595/PC Server 300/500 systems.

***Info:...
***Configurations:...
***Features:...
**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:...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
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