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**82395SX     Smart Cache                                     12/17/90
***Notes:...
**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...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
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*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
**5571           (Trinity) Pentium PCI/ISA Chipset (75MHz)   <12/09/96
***Info:...
***Configurations:...
***Features:
o   Supports Intel Pentium CPU and other compatible CPU at 
    75/66/60/50MHz (external clock speed)
o   Supports the Pipelined Address Mode of Pentium CPU
o   Supports the Full 64-bit Pentium Processor data Bus
o   Supports 32-bit PCI Interface
o   Integrated Second Level (L2) Cache Controller
    - Write Through and Write Back Cache Modes
    - 8 bits or 7 bits Tag with Direct Mapped Cache Organization
    - Integrated 16K bits Dirty Ram
    - Supports Pipelined Burst SRAM
    - Supports 256 KBytes to 512 MBytes Cache Sizes
    - Cache Read/Write Cycle of 3-1-1-1-1-1-1-1 at 66 MHz
o   Integrated DRAM Controller
    - Supports 3 Banks of FP/EDO SIMMs, or 2 Banks of SDRAM DIMMs
    - Supports 2Mbytes to 384Mbytes of main memory
    - Supports 256K/512K/1M/2M/4M/16M x N FP/EDO/SDRAM DRAM
    - Supports 3V or 5V DRAM.
    - Supports Symmetrical and Asymmetrical DRAM.
    - Supports 32 bits/64 bits mixed mode configuration
    - Supports Concurrent Write Back for FP/EDO DRAM
    - Supports Mixed DRAM (FP/EDO/SDRAM) Technology
    - Supports CAS before RAS Refresh
    - Supports Relocation of System Management Memory
    - Programmable CAS# ,RAS#, RAMW# and MA Driving Current
    - Fully Configurable for the Characteristic of Shadow RAM (640 
      KBytes to 1 MBytes)
    - Supports FP DRAM 5-3-3-3(-3-3-3-3) Burst Read Cycles
    - Supports EDO DRAM 4/5-2-2-2(-2-2-2-2) Burst Read Cycles
    - Supports SDRAM 6/7-1-1-1(-2-1-1-1) Burst Read Cycles
    - Supports X-1-1-1/X-2-2-2/X-3-3-3 Burst Write Cycles
    - Supports 8 Qword Deep Buffer for Read/Write Reordering, Dword 
      Merging and 3/2-1-1-1 Post write Cycles
    - Two Programmable Non-Cacheable Regions
    - Option to Disable Local Memory in Non-Cacheable Regions
    - Shadow RAM in Increments of 16 KBytes
o   Integrated PMU Controller
    - Supports SMM Mode of CPU
    - Supports CPU Stop Clock
    - Supports Break Switch
    - Supports Modem Ring Wakeup
    - Supports Automatic Power Supply Control
o   Provides High Performance PCI Arbiter.
    - Supports 3 internal masters and 5 external  PCI Masters
    - Supports Rotating Priority Mechanism
    - Hidden Arbitration Scheme Minimizes Arbitration Overhead.
    - Supports Concurrency between CPU to Memory and PCI to PCI.
o   Integrated Host-to-PCI Bridge
    - Supports Asynchronous/Synchronous PCI Clock
    - Translates the CPU Cycles into the PCI Bus Cycles
    - Provides CPU-to-PCI Read Assembly and Write Disassembly 
      Mechanism
    - Translates Sequential CPU-to-PCI Memory Write Cycles into PCI 
      Burst Cycles
    - Zero Wait State Burst Cycles
    - Supports 8 DW Deep Buffer for CPU-to-PCI Posted Write Cycles
    - Supports Pipelined Process in CPU-to-PCI Access
    - Supports Advance Snooping for PCI Master Bursting
    - Maximum PCI Burst Transfer from 256 Bytes to 4 Kbytes
    - Fast back-to-back
o   Integrated Posted Write Buffers and Read Prefetch Buffers to 
    Increase System Performance
    - CPU-to-Memory Posted Write Buffer (CTMFF) with 8 QW Deep, Always 
      Sustains 0 Wait Performance on CPU-to-Memory.
    - CPU-to-PCI Posted Write Buffer(CTPFF) with 8 DW Deep
    - PCI-to-Memory Posted Write Buffer(PTHFF) with 8 QW Deep, Always 
      Streams 0 Wait Performance on PCI-to/from-Memory Access
    - PCI-to-Memory Read Prefetch Buffer(CTPFF) with 8 QW Deep
o   Built-in one 32-bit General Purpose Register
o   Integrated PCI-to-ISA Bridge
    - Translates PCI Bus Cycles into ISA Bus Cycles
    - Translates ISA Master or DMA Cycles into PCI Bus Cycles
    - Provides a Dword Post Buffer for PCI to ISA Memory cycles
    - Two 32 bit Prefetch/Post Buffers Enhance the DMA and ISA Master 
      Performance
    - Fully Compliant to PCI 2.1
o   Enhanced DMA Functions
    - 8-, 16- bit DMA Data Transfer
    - ISA compatible, and Fast Type F DMA Cycles
    - Two 8237A Compatible DMA Controllers with Seven Independent 
      Programmable Channels
    - Provides the Readability of the two 8237 Associated Registers
o   Built-in Two 8259A Interrupt Controllers
    - 14 Independently Programmable Channels for Level- or Edge-
      triggered Interrupts
    - Provides the Readability of the two 8259A Associated Registers
o   Three Programmable 16-bit Counters compatible with 8254
    - System Timer Interrupt
    - Generates Refresh Request
    - Speaker Tone Output
    - Provides the Readability of the 8254 Associated Registers
o   Built-in Keyboard Controller
    - Hardwired Logic Provides Instant Response
    - Supports PS/2 Mouse
    - Support Hot Key "Sleep" Function
o   Built-in Real Time Clock(RTC) with 256B CMOS SRAM
o   Fast PCI IDE Master/Slave Controller
    - Fully Compatible with PCI Local Bus Specification V2.1
    - Supports PCI Bus Mastering
    - Plug and Play Compatible
    - Supports Scatter and Gather
    - Supports Dual Mode Operation - Native Mode and 
      Compatibility Mode
    - Supports IDE PIO Timing Mode 0, 1, 2 of ANSI ATA Specification
    - Supports Mode 3 and Mode 4 Timing Proposal on Enhanced IDE 
      Specification
    - Supports Multiword DMA Mode 0, 1, 2
    - Separate IDE Bus
    - Two 8x32-bit FIFO for PCI Burst Read/Write Transfers.
o   Universal Serial Bus Controller
    - Host/Hub Controller
    - Two USB ports
o   On-Board Plug and Play Support
    - One Steerable DMA Channel
    - One Steerable Interrupt
    - One Programmable Chip Select
o   Supports the Reroutibility of the four PCI Interrupts
o   Supports Flash ROM
o   480-Pin BGA Package
o   0.5 μm CMOS Technology

**5581/5582      (Jessie)  Pentium PCI/ISA Chipset (75MHz)   <04/15/97...
**5591/5592/5595 (David)   Pentium PCI A.G.P. Chipset        <01/09/98...
**5596/5513      (Genesis) Pentium PCI Chipset               <03/26/96...
**5597/5598      (Jedi)    Pentium PCI/ISA Chipset           <04/15/97...
**530/5595       (Sinbad) Host, PCI, 3D Graphics & Mem. Ctrl.<11/10/98...
**540            (Spartan) Super7 2D/3D Ultra-AGP Single C.S.<11/30/99...
**55x            SoC (System-on-chip)                        <03/14/02...
**
**Support chips:
**85C206     Integrated Peripheral Controller [no datasheet]         ?...
**5595       Pentium PCI System I/O                          <12/24/97...
**950        LPC I/O                                         <07/16/99...
**Other:...
**PII/III/Pro...
**Athlon etc...
*Symphony...
*TI (Texas Instruments)...
*UMC...
**UM82C3xx     Twinstar & UM82C336F/N & UM82C39x [no datasheet]      ?
***Notes:...
**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
***Info:...
***Versions:...
***Features:...
**UM82C852     Multi I/O For XT                                    <91...
**UM82C206     Integrated Peripheral Controller                    <91...
**UM82c45x     Serial/Parallel chips                                 ?...
**Other chips:...
*Unresearched:...
*VIA...
*VLSI...
**VL82C480         System/Cache/ISA bus Controller                   ?
***Info:...
***Configurations:...
***Features:...
**VL82C481         System/Cache/ISA bus Controller                 c92...
**VL82C486         Single-Chip 486, SC486, Controller                ?...
**VL82C425         486 Cache controller                              ?...
**????????         Cheetah 486, PCI [no datasheet]                   ?...
**VL82C3216        Bus Expanding Controller Cache with write buffer  ?...
**VL82C521/522     Lynx/M                                            ?...
**VL82C530         Eagle Ð                                         c95...
**VL82C541/543     Lynx                                            c95...
**VL82C591/593     SuperCore 590                                   c94...
**VL82C594/596/597 Wildcat                                         c95...
**I/O Chips:
**VL82C106 Combination I/O chip                                      ?...
**VL82C107 SCAMP  Combination I/O chip                               ?...
**VL82C108 TOPCAT Combination I/O chip                               ?...
**VL82C110 Combination I/O chip                                      ?...
**VL82C113 SCAMP  Combination I/O chip                               ?...
**VL82C114 Combination I/O chip                                      ?...
**Video: ...
**Disk:...
**Modems:...
**Other:...
**Not sure if they actually exist...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...

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