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**Notes:
ACC Microelectronics Corporation

Auctor Corporation is associated with this name.

**ACC82010   AT Chip Set          (286 12.5/16MHz Max)             c88...
**ACC82020   Turbo PC/AT Chip Set (286/386SX 25MHz Max)            c88...
**ACC82021   Turbo PC/AT Chip Set (286/386SX 25MHz Max)            >88...
**ACC82300   386 AT Chip Set (386DX)                               c88...
**ACC82C100  Single-Chip PC/XT Systems-Controller                  c90...
**ACC83000   Model 30 Integrated Chip Set (MCA)                    c88...
**ACC85000/A Model 50/60 Chipset (MCA)                             c88...
**ACC1000    Turbo PC/XT Integrated Bus and Peripheral Ctrl.  04/02/88...
**ACC2036    Single Chip Solution 2036 (286/386SX)              <Jul92...
**ACC2046/ST 486DX/486SX/386DX Single Chip AT                   <Jul92...
**ACC2048    WB 486 Notebook/Embedded Single Chip [no datasheet]     ?...
**ACC2051/NT PCI Single Chip Solution for Notebook Applications    c96...
**ACC2056    ?Pentium 3.3V Notebook               [no datasheet]<Jan96...
**ACC2057    PCI Notebook/Embedded Single Chip    [no datasheet]<Aug96...
**ACC2066NT  486 Notebook/Embedded Single Chip    [no datasheet]     ?...
**ACC2086    486 VL-based System Super Chip Soluti[no datasheet]     ?...
**ACC2087    Enhanced Super Chip (486 Single Chip)              <Aug96...
**ACC2089    486 PCI-based System Super Chip      [no datasheet]     ?...
**ACC2168/GT 32-bit 486 Green System Single Chip  [no datasheet]     ?...
**ACC2178A   32-bit 486 Green System Single Chip  [no datasheet]     ?...
**ACC2268    ?486                                 [no datasheet]     ?...
**ACC????    Maple/Maple-133 486-System-On-Chip   [no datasheet]     ?...
**
**Support Chips:
**ACC2016    Buffer and MUX Logic                                  c96...
**ACC2020    Power Management Chip                                 c92...
**ACC5500    Multifunction I/O Control Chip for PS2 Model 50/60    c88...
**
**Other chips...
*ALD...
*ALi...
*AMD . . . . . . . [no datasheets, some info]...
*Chips & Technologies...
*Contaq  . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94
***Notes:
Date source: 1995_Intel_Pentium_Processors_and_Related_Components.pdf

Information taken from: 
            1995_Intel_Pentium_Processors_and_Related_Components.pdf*
                                         8249x Cache controllers.pdf**
>*  Datasheet dated Nov'94
>** Datasheet undated, whole document dated '95

The info and features section have  been solely sourced from the first
source.   The  second source  provides  far  more detail.   Additional
information in  the configurations section  has been sourced  from the
second.

Difference to 82497/492 is this supports 1 Mbyte to 2 Mbyte cache.

***Info:...
***Configurations:...
***Features:...
**
**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...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
**VT82C505     Pentium/486 VL to PCI Bridge                  <05/30/94
***Info:...
***Versions:...
***Features:
o   VL to PCI Bridge
    - Combined with VT82C486 or VT82C496G for 80486SX/DX/DX2/DX4 based 
      PCI/VL/ISA Green-PC systems
    - Combined with VT82C530MV chip set for Pentium/P54C/M1 based 
      PCI/VL/ISA Green-PC Systems
o   Sophisticated Bridging Capabilities
    - Supports PCI master to PCI slave cycles
    - Supports PCI master to VL bus slave, system memory and ISA 
      slave cycles
    - Supports VL master including CPU to PCI slave cycles
    - Supports ISA master to VL or PCI slave cycles
    - Supports multiple accelerated decoding schemes from VL master 
      including CPU to PCI and ISA slaves
    - Supports CPUs with write-back level-one cache
    - Concurrent CPU and PCI operation
    - 4 level of CPU/VL to PCI post write buffers
    - Automatic detection of data streaming burst cycles from CPU/VL 
      to PCI bus
    - 4 level of post write buffers from PCI master to VL slave, 
      system memory and ISA slaves
    - 4 level of prefetch buffers from system memory for access by PCI 
      masters
    - Bursting capability for both PCI and CPU/VL bus
o   Intelligent PCI Interface
    - PCI 2.0 compliant
    - Synchronous or divide-by-two CPU clock
    - Hidden arbitration for up to four PCI masters
    - Supports PCI preemption and time-out function
    - Supports PCI master and slave initiated abort mechanism
    - Supports PCI lock function
    - Supports data parity generation for PCI master read cycles
    - Supports data parity checking for PCI master write cycles
    - Supports parity error and system error reporting on the PCI bus
    - Supports PCI configuration cycles
    - Interrupt steering and conversion to edge triggering for ISA 
      compatibility
o   PCI Compliant IO Characteristics
o   0.8um high speed and low power CMOS process
o   160pin PQFP package

**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...
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