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**82340SX     Chip Set (VLSI) (82343/82344)                   01/25/89
***Notes:...
***Info:...
***Configurations:...
***Features:
o   Two Chip ISA (Industry Standard Architecture) Chip Set Capable 
    of Use in 386 SX-Based Systems Up to 20 MHz
o   Both Chips are 160 Quad Flatpacks 1.0- and 1.5-Micron CMOS
o   Memory Control of One to Four Banks of 16-Bit DRAM Using 256K,
    1M, or 4M Components Allowing 32 Mbytes on System Board
o   Page Mode DRAM Operation on Any Number of Banks
o   Two/Four-way Interleaving or Direct Access on System Board
    Memory
o   Programmable Option for block or Word Interleave
o   Programmable DRAM Timing Parameters
o   Remap Option Allows Logical Reordering of System Board DRAM
o   System Board Refresh Optionally Decoupled from Slot Bus
    Refresh
o   Staggered Refresh Minimizes Power Supply Load Variations
o   Built-in "Sleep" Mode Features Including Use of Slow Refresh
    DRAMs in Power Critical Operations
o   EMS Hardware Supports Full LIM EMS 4.0 Spec over Entire 32 Mbyte
    Memory Map with Backfill to 256K-Includes Tow Sets of 36 Mapping
    Registers Each
o   Shadow RAM Support in 16K increments over Entire 640K to 1M range
o   Support for 387SX Numerical Coprocessors
o   Software Coprocessor Reset can be Disabled
o   Internal Switching and Programmable CLK2 Support for Slow and 
    "Turbo" Modes
o   Programmable Drive on DRAM and Slot Bus Interface Signals Allows
    Direct Tailored to System Size
o   Asynchronous or Synchronous Slot Bus Operation with Programmable
    bus Clock Divider
o   Bus "Quiet" Mode Assures that Slot Bus Signal Lines are Driven Only
    During Slot Accesses
o   Integrated Peripheral Functions:
    - Two 82C37A DMA Controllers
    - Two 82C59A Interrupt Controllers
    - One 82C54  Timer
    - One 148618 Real Time Clock
o   Supports 8- or 16-Bit Wide BIOS ROMs
o   I/O Decode Programmable for 10- or 16-Bit Addresses
o   Separate Parity Generators/Checkers for High Speed Operation
o   Designed for Systems with Up to 12 MHz Backplane Operation
o   Three-State Control Pins Added for Board Level Testability
o   Compatible with Lotus 1-2-3 Version 3.0 in 1M Systems


**82350       EISA Chip Set                                   07/10/89...
**82350DT     EISA Chip Set                                   04/22/91...
**82420TX/ZX  PCIset (for 486) TX (Saturn), ZX (Saturn II)     c:Nov92...
**82420EX     PCIset (for 486) EX (Aries)   (82425EX/82426EX)   <Dec94...
**82430LX     PCIset (Pentium) LX (Mercury) (82433LX/82434LX) 03/22/93...
**82430NX     PCIset (Pentium) NX (Neptune) (82433NX/82434NX)    Mar94...
**82430FX     PCIset (Pentium) FX (Triton I) (82437FX/82438FX)01/31/95...
**82430MX     PCIset (Pentium) MX (Mobile Triton)(82437/438MX)11/01/95...
**82430HX     PCIset (Pentium) HX (Triton II) (82439HX)       02/12/96...
**82430VX     PCIset (Pentium) VX (Triton II) (82437VX/82438) 02/12/96...
**82430TX     PCIset (Pentium) TX (Triton II) (82439TX)       02/17/97...
**82450KX/GX  PCIset (Pentium Pro) KX/GX (Mars/Orion)         11/01/95...
**
**Support Chips:
**82091AA     Advanced Interface Peripheral (AIP)                  c93...
**8289        Bus Arbiter (808x)                                   c79...
**82289       Bus Arbiter for iAPX 286 Processor Family            c83...
**82258       Advanced Direct Memory Access Coprocessor(ADMA) 01/01/84...
**82335       High-Integration Interface Device For 386SX      c:Nov88...
**82360SL     I/O Subsystem                                   10/05/90...
**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
***Notes:...
***Info:...
***Versions:...
***Features:...
**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
***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...
**
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