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**82371AB     PCI-TO-ISA / IDE Xcelerator 82371AB (PIIX4)     02/17/97
***Notes:
Date source: TimelineDateSort7_05.pdf 
(assumed to be introduced with 430TX)

Information taken from: 82371AB (Apr 97).pdf

***Info:...
***Versions:...
***Features:
o   Supported Kits for both Pentium and Pentium II Microprocessors
    - 82430TX ISA Kit
    - 82440LX ISA/DP Kit
o   Multifunction PCI to ISA Bridge
    - Supports PCI at 30 MHz and 33 MHz
    - Supports PCI Rev 2.1 Specification
    - Supports Full ISA or Extended I/O (EIO) Bus
    - Supports Full Positive Decode or Subtractive Decode of PCI
    - Supports ISA and EIO at 1/4 of PCI Frequency
o   Supports both Mobile and Desktop Deep Green Environments
    - 3.3V Operation with 5V Tolerant Buffers
    - Ultra-low Power for Mobile Environments Support
    - Power-On Suspend, Suspend to RAM, Suspend to Disk, and Soft-
      OFF System States
    - All Registers Readable and Restorable for Proper Resume
      from 0.V Suspend
o   Power Management Logic
    - Global and Local Device Management
    - Suspend and Resume Logic
    - Supports Thermal Alarm
    - Support for External Microcontroller
    - Full Support for Advanced Configuration and Power Interface
      (ACPI) Revision 1.0 Specification and OS Directed Power 
      Management
o   Integrated IDE Controller
    - Independent Timing of up to 4 Drives
    - PIO Mode 4 and Bus Master IDE Transfers up to 14 Mbytes/sec
    - Supports "Ultra DMA/33" Synchronous DMA Mode Transfers up to  
      33 Mbytes/sec
    - Integrated 16 x 32-bit Buffer for IDE POI Burst Transfers
    - Supports Glue-less "Swap-Bay" Option with Full Electrical 
      Isolation
o   Enhanced DMA Controller
    - Two 82C37 DMA Controllers
    - Supports PCI DMA with 3 PC/PCI Channels and Distributed DMA
      Protocols (Simultaneously)
    - Fast Type-F DMA for Reduced PCI Bus Usage
o   Interrupt Controller Based on Two 82C59
    - 15 Interrupt Support
    - Independently; Programmable for Edge/Level Sensitivity
    - Supports Optional I/O APIC
    - Serial Interrupt Input
o   Timers Based on 82C54
    - System Timer, Refresh Request, Speaker Tone Output
o   USB
    - Two USB 1.0 Ports for Serial Transfers at 12 or 1.5 Mbit/sec
    - Supports Legacy Keyboard and Mouse Software with USB-based
      Keyboard and Mouse
    - Supports UHCI Design Guide
o   SMBus
    - Host Interface Allows CPU to Communicate Via SMBus
    - Slave Interface Allows External SMBus Master to Control 
      Resume Events
o   Real-Time Clock
    - 256-byte Battery-Back CMOS SRAM
    - Includes Date Alarm
    - Two 8-byte Lockout Ranges
o   Microsoft Win95 Compliant
o   324 mBGA Package

**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...
**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94...
**
**Later chipsets (basic spec):
**440 series:...
**450NX  (?)            06/29/98:...
**?????  (Profusion)    c:99
Chips:         
Memory Access Controller (MAC)  
Data Interface Buffer (DIB)
CPUs:          8x P-III Xeon Oct
DRAM Types:    SDRAM PC100 2-way Interleave dual channel
Max Mem:       32GB
ECC/Parity:    ECC
AGP speed:     N/A
Bus Speed:     100
PCI Clock/Bus: 1/3 PCI-66/64



**800 series...
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**UM82C493/491 ??????????????? [no datasheet]                        ?
***Notes:...
**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...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...