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**82371FB/SB  PCI ISA IDE Xcelerator 82371FB/82371SB (PIIX/3) 01/31/95
***Notes:...
***Info:...
***Versions:...
***Features:
o   Bridge Between the PCI Bus and ISA Bus
o   PCI and ISA Master/Slave Interface
    - PCI from 25-33 MHz
    - ISA from 7.5-8.33 MHz
    - 5 ISA Slots
o   Fast IDE Interface
    - Supports PIO and Bus Master IDE
    - Supports up to Mode 4 Timings
    - Transfer Rates to 22 MB/Sec
    - 8 x 32-Bit Buffer for Bus Master IDE PCI Burst Transfers
    - Separate Master/Slave IDE Mode Support (PIIX3)            
o   Plug-n-Play Port for Motherboard Devices
    - 2 Steerable DMA Channels (PIIX Only)
    - Fast DMA with 4-Byte Buffer (PIIX Only)
    - 2 Steerable Interrupts Lines on the PIIX and 1 Steerable 
      Interrupt Line on the PIIXS
    - 1 Programmable Chip Select
o   Steerable PCI Interrupts for PCI Device Plug-n-Play
o   PCI Specification Revision 2.1 Compliant (PIIX3)
o   Functionality of One 82C54 Timer
    - System Timer; Refresh Request; Speaker Tone Output
o   Two 82C59 Interrupt Controller Functions
    - 14 Interrupts Supported
    - Independently Programmable for Edge/Level Sensitivity
o   Enhanced DMA Functions
    - Two 8237 DMA Controllers
    - Fast Type F DMA
    - Compatible DMA Transfers
    - 7 Independently Programmable Channels
o   X-Bus Peripheral Support
    - Chip Select Decode
    - Controls Lower X-Bus Data Byte Transceiver
o   I/O Advanced Programmable Interrupt Controller (IOAPIC) Support 
    (PIIX3)
o   Universal Serial Bus (USB) Host Controller (PIIX3)
    - Compatible with Universal Host Controller Interface (UHCI)
    - Contains Root Hub with 2 USB Ports
o   System Power Management (Intel SMM Support)
    - Programmable System Management Interrupt (SMI)-Hardware Events,
      Software Events, EXTSMI#
    - Programmable CPU Clock Control (STPCLK#)
    - Fast On/Off Mode
o   Non-Maskable Interrupts (NMI)
    - PCI System Error Reporting
o   NAND Tree for Board-Level ATE Testing
o   208-Pin QFP

**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
***Notes:...
**82396SX     Smart Cache                                     12/17/90
***Notes:...
***Info:...
***Versions:...
***Features:...
**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...
**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
**
**Later chipsets (basic spec):
**440 series:...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99...
**800 series...
*Headland/G2...
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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
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*Symphony...
*TI (Texas Instruments)...
*UMC...
**UM82C210     386SX/286 AT Chip Set                               <91
***Info:...
***Configurations:...
***Features:...
**UM82C3xx     Twinstar & UM82C336F/N & UM82C39x [no datasheet]      ?...
**UM82C380     386 HEAT PC/AT Chip Set                             <91...
**UM82C480     386/486 PC Chip Set                                 c91...
**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:...
*VIA...
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*ZyMOS...
*General Sources:...