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*_IBM...
*ACC Micro...
**ACC2046/ST 486DX/486SX/386DX Single Chip AT                   <Jul92
***Info:...
***Configurations:...
***Features:
o   100% IBM PC/AT compatible
o   Supports 486DX up to 50 Mhz
o   Supports 4868X and 487SX
o   Supports Intel Low Power 486DX/SX
o   Supports 386DX up to 40 MHz
o   Supports 387 and Weitek 4167/3167 numerical coprocessors
o   Supports 1x or 2x system clock
o   Integrated flexible direct mapped cache controller for up to 
    2048KB
o   Supports posted write or write-through cache operation
o   Supports 3 programmable non-cacheable ranges
o   Supports 64 MB DMA address space
o   Supports one to four memory banks of 32 bit DRAM using 256K, 1M or
    4M DRAMs allowing 64 Mbytes on system board.
o   Operates with page mode or two/four way page interleaved mode
o   Programmable DRAM timing parameters
o   Programmable slow refresh
o   Supports hidden refresh
o   Support Dynamic Memory remapping
o   Unused RAS and CAS lines can be disabled
o   Supports shadow RAM for video and system BIOS
o   Supports 8 or 16 bit wide BIOS ROMs in 128K or 64K EPROM space
o   Supports single ROM
o   Supports 512K ROM size
o   Middle BIOS can be disabled
o   Bus "quiet" mode assures that slot bus signal lines are driven 
    only during slot accesses
o   Port 8 and NMI logic
o   Internal switching and programmable CLK2 for sleep mode Operation 
    (can be divided by 2/4/8/16)
o   Fast reset / Fast gate A20 (Port 92)
o   Support for PC/AT compatible and turbo modes
o   Independent ISA Bus control
o   Parity generation and detection logic
o   Integrated Peripheral Functions: 2x 8237, 2x 8259, 1x 8254.
o   Bus conversion between D,SD and XD
o   Data latches and buffers included
o   208-pin PQFP device

**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...
**?????  (Profusion)    c:99
Chips:         
Memory Access Controller (MAC)  
Data Interface Buffer (DIB)
CPUs:          8x P-III Xeon Oct
DRAM Types:    SDRAM PC100 2-way Interleave dual channel
Max Mem:       32GB
ECC/Parity:    ECC
AGP speed:     N/A
Bus Speed:     100
PCI Clock/Bus: 1/3 PCI-66/64



**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
*Symphony...
**SL82C490   'Wagner' 486?              [no datasheet]               ?
***Notes:...
**SL82C550   'Rossini' Pentium          [no datasheet]            c:95...
**
**Support Chips:
**SL82C365    Cache Controller (for 386DX/SX)                     c:91...
**SL82C465    Cache Controller (for 486/386DX/SX)                 c:91...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
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