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PAT48PM 486 Motherboard - BIOS ID String 40-0101-641291-00101111-060691-OPWBSX-F - BIOS ID String X0-0100-001291-00101111-060692-OPTIAUTO-F - 8-30 pin SIMM slots (1-32meg FPM DRAM) - 5-16bit ISA slots - 3-8bit XT slots - 64K/128K/256K SRAM Cache in 8-28pin sockets + 2 TAG RAM sockets - AMI 1992 Auto-Detect ROM Bios 486DX-OP-WBh-25/33/50-D3-ZZ - OPTi 82C495 / 82C392 chipset - Clock crystal OSC1 socketed near cpu - 239pin PGA CPU socket which supports these processors: INTEL 80487SX,80486SX,80486DX/DX2,ODP486SX - Supports speeds of 20/25/33/40/50/66 MHz - Manufactured by: TMC Research Corporation USA |
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