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*ACC Micro...
**ACC????    Maple/Maple-133 486-System-On-Chip   [no datasheet]     ?
***Notes:...
**
**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]...
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*Contaq  . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
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*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**82489DX       Advanced Programmable Interrupt Controller    10/12/92
***Notes:...
***Info:...
***Versions:...
***Features:...
**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...
**82C295         SLCWB PC/AT Chipset (386SX)                         ?
***Info:...
***Configurations:...
***Features:
o   100% IBM PC/AT compatible SX chipset
o   Supports IBM 486SLC2 microprocessor
o   Two chip PC/AT solution: 
    - 82C295 System Controller, 160-pin PQFP (Plastic Quad Flat 
      Package)
    - 82C206 Integrated Peripherals Controller, 84-pin PLCC (Plastic 
      Leaded Chip Carrier)
o   Supports systems running from 16 to 40MHz
o   Write-back direct-mapped cache with programmable size selections: 
    16KB, 32KB, 64KB, 128KB
o   Supports four banks of 256KB, 1MB, and 4MB page mode local DRAMs 
    for configurations up to 16MB
o   Two programmable non-cacheable regions
o   Programmable cache and DRAM read/write cycles
o   Cache coherency (for IBM SLC2) is achieved through discrete 
    cycle/line invalidate bus snooping
o   Hidden refresh, slow refresh, and CAS-before-RAS refresh supported
o   Shadow RAM option for system and channel ROM BIOS
o   High performance local bus support includes DMA/ISA master to 
    local bus support
o   Turbo/slow speed selection
o   Synchronous AT bus clock with programmable clock division options: 
    CLK2/4, /6, /8, or /10
o   Zero or one wait state options for 16-bit AT bus cycles
o   Transparent 8042 emulation for fast CPU reset and GATEA20 
    generation
o   Supports the 80387SX numerics coprocessor
o   Option for write protected, cacheable video BIOS
o   Flash ROM support
o   Combined system/video ROM support
o   Low power, high speed 1.0-micron CMOS technology

**82C381/382     HiD/386             (386DX)                      c:89...
**82C391/392     386WB PC/AT Chipset (386DX)                    <Dec90...
**82C461/462     Notebook PC/AT chipset [no datasheet]               ?...
**82c463         SCNB Single Ship Notebook                        c:92...
**82c465MV/A/B   Single-Chip Mixed Voltage Notebook Solution    <Oct97...
**82C481?/482?   HiP/486 & HiB/486 [no datasheet]                Oct89...
**82C491/392     486WB PC/AT Chipset                         <04/21/91...
**82C493/392     486SXWB                                     <10/21/91...
**82C495SX/392SX LCWB PC/AT chipset [no datasheet]                   ?...
**82C495SLC      DXSLC 386/486 Low Cost Write Back                c:92...
**82C495XLC      PC/AT Chip Set                                   c:93...
**82c496A/B      DXBB PC/AT Chipset                             <Mar92...
**82C496/7       DXBB PC/AT Chipset (Cached)                 <01/16/92...
**82C498         DXWB PC/AT chipset [no datasheet]                   ?...
**82C499         DXSC DX System Controller                        c:93...
**82C546/547     Python PTM3V                                     c:94...
**82C556/7/8     Viper [no datasheet]                                ?...
**82C556/7/8N    Viper-N  Viper Notebook Chipset             <05/25/95...
**82C556M/7M/8E  Viper-N+ Viper Notebook Chipset                  c:96...
**82C566/7/8     Viper-Max Chipset Scalable MultiMedia PC Solution   ?...
**82C571/572     486/Pentium                                      c:93...
**82C576/7/8     Viper Xpress  [no datasheet]                        ?...
**82C576/8/9     Viper XPress+ [no datasheet, some info]     <01/16/97...
**82C596/597     PTMAWB Pentium Adaptive Write-back (Cobra)       c:93...
**82C650/1/2     Discovery (Pentium Pro) [no datasheet]              ?...
**82C681/2/6/7   386/486WB EISA                                   c:92...
**82C683         386/486AWB EISA [no datasheet]                      ?...
**82C693/6/7     Pentium uP Write Back Cache EISA                 c:93...
**82C700         FireStar                                         c:97...
**82C701         FireStar Plus                                    c:97...
**82C750         Vendetta      [no datasheet]                        ?...
**82c801         SCWB2 DX Single Chip Solution                    c:92...
**82C802         SCWB2 PC/AT Single Chip [no datasheet]              ?...
**82C802G/GP     System/Power Management Controller (cached)      c:93...
**82C895         System/Power Management Controller (cached)   c:Sep94...
**82C898         System/Power Management Controller (non-cache)c:Nov94...
**
**Support Chips:
**82C601/2       Buffer Devices                                 <Nov94...
**82C822         PCIB (VLB-to-PCI bridge)                         c:94...
**Other:...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
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*UMC...
*Unresearched:...
*VIA...
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*Winbond...
*ZyMOS...
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