TMC RESEARCH CORPORATION PAT48SG (VER. 1.1), PAT48SG4(VER. 1.1B) Processor CX486SX/SL80486SX/80486SX/CX486DX/SL80486DX/80486DX/SL80486DX280486DX2/80486DX4/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/83(internal)/100(internal)MHz Speed Chip Set Unidentified Max. 128MB Onboard DRAM Cache 128/256KB BIOS Unidentified Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location External battery J1 IDE interface LED J4 pins 10 & 20 IDE interface LED J3 Power LED & J4 pins 11 - keylock 15 Speaker J4 pins 1 - 4 Green PC connector J5 Turbo switch J4 pins 7 & Green PC LED J6 17 Turbo LED J4 pins 8 & 32-bit VESA local SL1 - SL3 18 bus slots Reset switch J4 pins 9 & 19 USER CONFIGURABLE SETTINGS Function Jumper Position » Battery type select internal JP21 pins 1 & 2 closed CMOS memory clear JP21 pins 2 & 3 closed Battery type select external JP21 Open » Monitor type select color JP22 Closed Monitor type select monochrome JP22 Open » Factory configured - do not JP23 N/A alter » Factory configured - do not JP26 N/A alter » Factory configured - do not JP27 N/A alter » Factory configured - do not JP28 N/A alter » Factory configured - do not JP29 N/A alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 2MB (1) 512K x NONE NONE NONE 36 4MB (1) 256K x (1) 256K x (1) 512K x NONE 36 36 36 4MB (1) 512K x NONE (1) 512K x NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 256K x (1) 1M x 36 NONE NONE 36 6MB (1) 256K x (1) 256K x (1) 1M x 36 NONE 36 36 6MB (1) 512K x NONE (1) 1M x 36 NONE 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 10MB (1) 256K x (1) 256K x (1) 1M x 36 (1) 1M x 36 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 NONE (1) 2M x 36 NONE 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 256K x (1) 4M x 36 NONE NONE 36 18MB (1) 256K x (1) 256K x (1) 4M x 36 NONE 36 36 18MB (1) 512K x NONE (1) 4M x 36 NONE 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 16M x 36 NONE NONE NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 NONE DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 64MB (1) 8M x 36 NONE (1) 8M x 36 NONE 65MB (1) 256K x (1) 16M x NONE NONE 36 36 68MB (1) 1M x 36 (1) 16M x NONE NONE 36 72MB (1) 1M x 36 (1) 1M x 36 (1) 16M x NONE 36 80MB (1) 4M x 36 (1) 16M x NONE NONE 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 16M x NONE 36 128MB (1) 16M x 36 (1) 16M x NONE NONE 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 16K x 8 or (1) 32K x 8 CACHE RESISTOR CONFIGURATION Size RN128 RN256 128KB Installed Not installed 256KB Not installed Installed CPU TYPE CONFIGURATION Type JP5 JP6 JP7 JP8 JP9 CX486SX 2 & 3, 4 2 & 3 1 & 2, 3 2 & 3 2 & 3 & 5 & 4 SL80486SX 3 & 4 4 & 5 2 & 3 2 & 3 2 & 3 80486SX Open Open Open 2 & 3 2 & 3 CX486DX 2 & 3 2 & 3 1 & 2, 3 1 & 2 2 & 3 & 4 SL80486DX 3 & 4 4 & 5 2 & 3 1 & 2 2 & 3 80486DX Open Open Open 1 & 2 2 & 3 SL80486DX2 3 & 4 4 & 5 2 & 3 1 & 2 2 & 3 80486DX2 1 & 2, 3 4 & 5 2 & 3 1 & 2 1 & 2 & 4 80486DX4 3 & 4 4 & 5 2 & 3 1 & 2 2 & 3 Pentium 3 & 4 1 & 2 2 & 3 1 & 2 1 & 2 Overdrive Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP10 JP11 JP12 JP13 JP14 CX486SX Closed Open 2 & 3 2 & 3 Open SL80486SX Closed 1 & 2 Open Open Open 80486SX Closed Open Open Open Open CX486DX Closed Open 2 & 3 2 & 3 2 & 3 SL80486DX Closed 1 & 2 Open Open 2 & 3 80486DX Closed Open Open Open 2 & 3 SL80486DX2 Closed 1 & 2 Open Open 2 & 3 80486DX2 Closed 2 & 3 Open 1 & 2 2 & 3 80486DX4 Open 1 & 2 Open Open 2 & 3 Pentium Closed Open 1 & 2 1 & 2 1 & 2 Overdrive Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP16 JP18 JP19 JP24 JP25 CX486SX Open Open Open 1 & 2 2 & 3 SL80486SX Open Open Open 2 & 3 1 & 2 80486SX Open Open Open 2 & 3 1 & 2 CX486DX Open Open Closed 1 & 2 2 & 3 SL80486DX Open Open Closed 2 & 3 1 & 2 80486DX Open Open Closed 2 & 3 1 & 2 SL80486DX2 Open Open Closed 2 & 3 1 & 2 80486DX2 Closed Closed Closed 2 & 3 1 & 2 80486DX4 Open Open Closed 2 & 3 1 & 2 Pentium Open Open Closed 1 & 2 1 & 2 Overdrive Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP1 JP2 JP3 JP4 JP30 JP31 25MHz Open Closed Closed Open 1 & 2 1 & 2 33MHz Open Open Closed Closed 1 & 2 1 & 2 40MHz Open Closed Open Open 2 & 3 2 & 3 50iMHz Open Closed Closed Open 1 & 2 1 & 2 50MHz Closed Closed Closed Open 2 & 3 2 & 3 66iMHz Open Open Closed Closed 1 & 2 1 & 2 83iMHz Open Open Closed Closed 1 & 2 1 & 2 100iMHz Open Open Closed Closed 1 & 2 1 & 2 100iMHz Closed Closed Closed Open 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU CORE FREQUENCY CONFIGURATION CPU Type JP15 Non 80486DX4 Open 80486DX4-33/83 pins 2 & 3 closed 80486DX4-33/100 Open 80486DX4-50/100 pins 1 & 2 closed