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*Contaq  . . . . . [no datasheets, some info]...
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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...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
**85C501/502/503 Pentium/P54C PCI/ISA Chipset                <01/09/95
***Notes:...
***Info:...
***Configurations:...
***Features:...
**5101/5102/5103 Pentium/P54C PCI/ISA Chipset                <04/02/95...
**5120           Pentium PCI/ISA Chipset (Mobile)            <01/28/97
***Info:...
***Versions:...
***Features:...
**5501/5502/5503 Pentium/P54C PCI/ISA Chipset                <04/02/95...
**5511/5512/5513 Pentium PCI/ISA                             <06/14/95...
**5571           (Trinity) Pentium PCI/ISA Chipset (75MHz)   <12/09/96...
**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...
*Unresearched:...
*VIA...
**SL9020   Data Controller                                      <Jan90
***Info:...
***Versions:...
***Features:...
**SL9025   Address Controller                                   <Jan90...
**SL9030   Integrated Peripheral Controller                     <Jan90...
**SL9090/A Universal PC/AT Clock Chip                           <oct88...
**SL9095   Power  Management Unit                                    ?...
**SL9151   80286 Page Interleave Memory Controller (16-25MHz)        ?...
**SL9250   80386SX Page Mode Memory Controller (16/20MHz 8MB)        ?...
**SL9251   80386SX Page Interleave Memory Controller         <04/13/90...
**SL9252   80386SX System and Memory Controller              <06/12/90...
**SL9350   80386DX Page Mode Memory Controller (16-25MHz 16MB)       ?...
**SL9351   80386DX Page Interleave Memory Controller (33MHz)         ?...
**SL9352   80386DX System and Memory Controller              <06/12/90...
**SLXXXX   Other chips...
**
**VT82C470     "Jupiter", Chip Set (w/o cache) 386 [no datasheet]    ?
**VT82C475     "Jupiter", Chip Set (w/cache) 386   [no datasheet]    ?
**VT82C486/2/3 "GMC chipset"            [no datasheet, some info]    ?...
**VT82C495/480 "Venus" Chip Set                    [no datasheet]    ?
**VT82C495/491 ? EISA Chip Set          [no datasheet, some info]  <93...
**VT82C496G    Pluto, Green PC 80486 PCI/VL/ISA System       <05/30/94...
**VT82C530MV   3.3V Pentium chipset [no datasheet, some info]<05/30/94...
**VT82C570M    Apollo Master, Green Pentium/P54C             <06/22/95
***Info:...
***Configurations:...
***Features:
o   PCI/ISA Green PC Ready
o   High Integration
    - VT82C575M system controller
    - VT82C576M PCI bus controller
    - Two instances of the VT82C577M data buffers
    - Glueless interface to the VT82C416 integrated clock generator, 
      real time clock with extended CMOS, plug and play control and 
      keyboard controller with PS/2 mouse support
    - Ten TTLs for a complete main board implementation
o   Flexible CPU Interface
    - 64-bit P54C, Pentium, K5 and M1 CPU interface
    - 3.3v or 5v CPU and cache interface
    - CPU external bus speed up to 66Mhz (internal 150Mhz and above)
    - Supports CPU internal write-back cache
    - Concurrent CPU/cache and PCI/DRAM operation
    - System management interrupt, memory remap and STPCLK mechanism
    - Cyrix M1 linear burst support
    - CPU NA#/Address pipeline capability
o   Advanced Cache Controller
    - Direct map write back or write through secondary cache
    - Burst Synchronous (Pipelined or non-pipelined), asynchronous 
      SRAM and Cache Module support
    - Eight-pin CWE# and GWE# control options
    - Flexible cache size: 0K/128K/256K/512K/1M/2MB
    - 32 byte line size to match the primary cache
    - Integrated 10-bit tag comparator
    - Interleaved SRAM access
    - 3-1-1-1 read/write timing for Burst Synchronous SRAM access 
      at 66Mhz
    - 3-2-2-2 (read) and 4-2-2-2 (write) timing for interleaved 
      asynchronous SRAM access at 66Mhz
    - Data streaming for simultaneous primary and secondary cache 
      line fill
    - System and video BIOS cacheable and write-protect
    - Programmable cacheable region and cache timing
    - Optional combined tag and alter bit SRAM for write-back scheme
o   Fast DRAM Controller
    - Concurrent DRAM Writeback
    - Four levels of CPU/cache to DRAM write buffer
    - Standard Page Mode/EDO/Burst EDO-DRAM support in a flexible/
      mixed combination
    - EDO-DRAM auto-detect
    - Mixed 256K/512K/1M/2M/4M/8M/16MxN DRAMs
    - 8 banks up to 512MB DRAMs
    - Flexible row and column addresses
    - 64 bit or 32 bit data width
    - Burst read and write operation
    - Programmable DRAM timing
    - BIOS shadow at 16KB increment
    - System management memory remapping
    - Decoupled and burst DRAM refresh with staggered RAS timing
    - CAS-before-RAS refresh timing
o   Intelligent PCI Bus Controller
    - 32 bit PCI interface
    - PCI Master snoop ahead and snoop filtering
    - Concurrent PCI master/CPU/IDE operations
    - Synchronous Bus to CPU clock with divide-by-two from the CPU 
      clock
    - Multiple accelerated schemes for high bus throughput
    - Automatic detection of data streaming burst cycles from CPU to 
      the PCI bus
    - Four level of CPU to PCI posted write buffers
    - Byte merging in the write buffers to reduce the number of PCI 
      cycles and to create further PCI bursting possibilities
    - PCI to system memory data streaming up to 110Mbyte/sec
    - Four level of post write buffers from PCI masters to DRAM
    - Four level of prefetch buffers from DRAM for access by PCI 
      masters
    - Zero wait state PCI master and slave burst transfer rate
    - Complete steerable PCI interrupts
    - IDE and ISA bus through peer PCI bus to avoid slower traffic 
      blocking the regular PCI bus
    - PCI-2.1 compliant
o   Enhanced Master Mode PCI IDE Controller
    - Dual channel master mode PCI supports four Enhanced IDE devices
    - Mode 4 and Mode 5 transfer rate up to 22MB/sec
    - Sixteen doubleword of prefetch and write buffers
    - Interlaced commands between two channels
    - Separate IDE data bus and control signals from the PCI and ISA 
      bus to reduce loading and to enhance performance
    - Bus master programming interface for ATA controllers SFF-8038 
      rev.1.0 compliant
    - Full scatter and gather capability
    - Support ATAPI compliant devices
    - Support PCI native and ATA compatibility modes
    - Complete software driver support
o   Plug and Play Controller
    - Dual interrupt and DMA signal steering with plug and play control
    - Two programmable chip selects
    - Microsoft Windows 95TM and plug and play BIOS compliant
o   Sophisticated Power Management Unit
    - Normal, doze, sleep, suspend and conserve modes
    - System event monitoring with two event classes
    - One idle timer, one peripheral timer and one general purpose 
      timer
    - More than ten general purpose Input/Output ports
    - Six external event input ports with programmable SMI condition
    - Complete leakage control when external component is in power off 
      state
    - Primary and secondary interrupt differentiation for individual 
      channels
    - Clock stretching, clock throttling and clock stop control
    - Multiple internal and external SMI sources for flexible power 
      management models
    - APM 1.1 compliant
o   Synchronous ISA Bus Controller
    - Synchronous ISA bus clock
    - Programmable wait state, command delay and IO recovery time
    - Bus conversion and data alignment
    - Hardware and software de-turbo control
    - Fast reset and Gate A20 operation
    - Integrated 82C206 peripheral controller
    - Edge trigger or level sensitive interrupt
    - Flash EPROM and combined BIOS support
o   Built-in nand-tree pin scan test capability
o   0.6um mixed voltage, high speed and low power CMOS process
o   208 pin PQFP for VT82C575M
o   208 pin PQFP for VT82C576M
o   100 pin PQFP for VT82C577M
o   100 pin PQFP for VT82C416

**VT82C580VP   Apollo VP,  Pentium/M1/K5 PCI/ISA System      <02/15/96...
**VT82C580VPX  Apollo VPX, VPX/97, Pentium with 66/75MHz Bus <01/09/97...
**VT82C590     Apollo VP2, VP2/97, Single-Chip Pentium 66MHz <01/10/97...
**VT82C597/AT  Apollo VP3, Single-Chip for Pentium with AGP  <10/03/97...
**VT82C598MVP  Apollo MVP3,Single-Chip 66/75/83/100MHz & AGP <09/22/97...
**VT8501       Apollo MVP4,Single-Chip 66-100MHz & AGP       <11/04/98...
**VT82C680     Apollo P6, Pentium-Pro Chip Set               <08/30/96...
**Support chips:
**VT82C505     Pentium/486 VL to PCI Bridge                  <05/30/94...
**VT82C586/A/B PCI Integrated Peripheral Controller          <10/13/96...
**VT82C596/A   Mobile PCI Integrated Peripheral Controller   <11/05/97...
**VT82C686A/B  PCI Super-I/O Integrated Peripheral Ctrl.     <02/10/98...
**Later P-Pro/II/III/Celeron...
**Later AMD...
**Other...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...

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