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*AMD . . . . . . . [no datasheets, some info]...
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*Contaq  . . . . . [no datasheets, some info]...
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**82091AA     Advanced Interface Peripheral (AIP)                  c93
***Notes:...
***Info:...
***Versions:...
***Features:...
**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...
**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...
**800 series...
*Headland/G2...
**HT18          80386SX Single Chip                            c:Sep91
***Info:...
***Configurations:...
***Features:...
**HT21          386SX/286 Single Chip (20 MHz)                 c:Aug91...
**HT22          386SX/286 Single Chip (25 MHz)                 c:Sep91...
**HT25          3-volt Core Logic for 386SX                    c:Dec92...
**HT35          Single-Chip Peripheral Controller [partial info]     ?...
**HTK320        386DX Chip Set                                 c:Sep91...
**HTK340        "Shasta" 486 Chip Set                          c:Jun92...
**Support Chips:
**HT44          Secondary Cache                                c:Jun92...
**Other:...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
**VT82C496G    Pluto, Green PC 80486 PCI/VL/ISA System       <05/30/94
***Info:...
***Configurations:...
***Features
1.  Fully IBM PC/AT Compatible
2.  Flexible CPU and Local Bus Interface
    - Supports 80486SX/DX/DX2/DX4 and compatible CPUs
    - CPU speed up to 100 Mhz including 80486DX-50, 80486DX2-66 and 
      80486DX4-100
    - Supports CPUs with write-back internal cache, e.g. P24D, P24T 
      and Cx486DX/DX2
    - Snoop filtering for write-back CPUs
    - Supports SMI protocols of Intel, AMD, TI and Cyrix CPUs
    - CPU clock stretching and throttling
    - Zero frequency and zero voltage CPU suspend
    - Soft and hard CPU reset
    - Direct VESA and other local bus interface with DMA/master access
    - Built-in arbitration for two local bus masters
3.  Advanced Cache Controller
    - Write back/write through scheme
    - Direct map scheme
    - Flexible cache size: 0K/32K/64K/128K/256K/512K/1MB
    - One bank or two banks of data independent of cache size
    - Integrated 8-bit tag comparator
    - Interleaved SRAM access to achieve 2-1-1-1 burst fill
    - Supports burst read and burst write transfers
    - System and video BIOS cacheable and write-protect
    - Programmable cache timing
    - Programmable non-cacheable region
    - Optional combined tag and alter bit SRAM for the write-back 
      scheme
    - Eight bit tag under the combined tag-alter scheme without 
      sacrifice of cacheable space
4.  Fast Page Mode DRAM Controller
    - Mixed 256K/512K/1M/2M/4M/8M/16MxN DRAMs
    - 8 banks up to 128MB
    - Flexible column and row addresses
    - 30 pin (x9) and single/double density 72 pin (x36) SIMM 
      module support
    - Programmable DRAM timing
    - BIOS shadow at 16KB increment
    - 256/384K memory relocation
    - System management memory remapping
    - Decoupled DRAM refresh with staggered RAS timing
    - CAS-before-RAS and slow refresh
5. 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 controller
    - Flash EPROM and combined BIOS support
6. Integrated Power Management Unit
    - Normal, conserve, doze, sleep and suspend modes
    - System event monitoring with two event classes and two idle 
      timers
    - Primary and secondary interrupt differentiation for individual 
      channels
    - One extended peripheral timer and one general purpose timer
    - Automatic conserve mode operation for short and frequent system 
      idleness
    - Modular clock and modular power
    - CPU clock stretching, throttling or stop without affecting the 
      ISA bus clock
    - Zero frequency operation with automatic resume
    - Zero volt operation with leakage control
    - Four general purpose IO or power control ports
    - APM 1.1 compliant
7.  Integrated Local Bus IDE Controller
    - 32-bit host data transfer
    - Mode-3 transfer capabilities (>10MB/s)
    - Programmable read/write, master/slave and active/recovery timing 
      in units of CPU clock
    - Prefetch and write buffers
    - Support either primary (1F0-1F7h) or secondary (170-177h) 
      channel  with two devices
    - No external logic required
8.  High Integration and Complete Functionality
    - Glueless interface with the VT82C406MV IXP (Integrated X-bus 
      Peripheral Controller, 100PQFP) to eliminate the multi-clock 
      generator, the keyboard controller with PS2 mouse, the DS-1285 
      style real time clock with extended CMOS RAM and the address 
      buffers.
    - 9 TTLs for a complete main board implementation
    - Optional VT82C505 (160 PQFP) to bridge a VL/ISA system to the 
      PCI bus
9.  0.8um high speed and low power CMOS process
10. 208-pin PQFP package

**VT82C530MV   3.3V Pentium chipset [no datasheet, some info]<05/30/94...
**VT82C570M    Apollo Master, Green Pentium/P54C             <06/22/95...
**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
***Info:...
***Versions:...
***Features:...
**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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