TMC RESEARCH CORPORATION PAT48PG4 (VER. 1.2A) Processor 80486SX/SL80486SX/ODP486/CX486DX/80486DX/SL80486DX/ 80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX4/80486DX4/ SL80486DX4/P24T/P24CT/CX5X86 Processor 25/33/40/50(internal)/50/63(internal)/66(internal)/80(internal)/ Speed 83(internal)/100(internal)/120(internal)MHz Chip Set OPTI Video Chip None Set Maximum 128MB Onboard Memory Maximum None Video Memory 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 J3 Reset switch J7 pins 9 & 19 Green PC connector J5 IDE interface LED J7 pins 10 & 20 IDE interface LED J6 Power LED & J7 pins 11 - keylock 15 Speaker J7 pins 1 – Green PC LED J8 4 Turbo switch J7 pins 7 & 32-bit VESA local SL1 – SL3 17 bus slots Turbo LED J7 pins 8 & 18 USER CONFIGURABLE SETTINGS Function Label Position Monitor type select color JP1 Closed Monitor type select monochrome JP1 Open Battery type select internal JP2 Pins 2 & 3 closed Battery type select external JP2 Open CMOS memory clear JP2 Pins 1 & 2 closed BIOS type select EPROM JP3 Pins 2 & 3 closed BIOS type select flash BIOS JP3 Pins 1 & 2 closed » Factory configured - do not JP11 Unidentified alter DRAM CONFIGURATION 1 Size Bank 0 Bank 1 Bank 2 2MB None (1) 256K x 36 (1) 256K x 36 4MB None (1) 1M x 36 None 5MB None (1) 256K x 36 (1) 1M x 36 6MB (4) 1M x 9 (1) 256K x 36 (1) 256K x 36 8MB None (1) 1M x 36 (1) 1M x 36 8MB (4) 1M x 9 (1) 1M x 36 None 16MB None (1) 4M x 36 None 17MB None (1) 256K x 36 (1) 4M x 36 20MB None (1) 1M x 36 (1) 4M x 36 20MB (4) 4M x 9 (1) 1M x 36 None 32MB None (1) 4M x 36 (1) 4M x 36 32MB (4) 4M x 9 (1) 4M x 36 None 64MB None (1) 16M x 36 None 128MB None (1) 16M x 36 (1) 16M x 36 128MB (4) 16M x 9 (1) 16M x 36 None DRAM CONFIGURATION 2 Size Bank 0 Bank 1 Bank 2 2MB (4) 256K x 9 None (1) 256K x 36 4MB (4) 1M x 9 None None 5MB (4) 256K x 9 None (1) 1M x 36 6MB (4) 256K x 9 (1) 1M x 36 (1) 256K x 36 8MB (4) 1M x 9 None (1) 1M x 36 8MB (4) 1M x 9 (1) 1M x 36 None 16MB (4) 4M x 9 None None 17MB (4) 256K x 9 None (1) 4M x 36 20MB (4) 1M x 9 None (1) 4M x 36 20MB (4) 1M x 9 (1) 4M x 36 None 32MB (4) 4M x 9 None (1) 4M x 36 32MB (4) 4M x 9 (1) 4M x 36 None 64MB (4) 16M x 9 None None 128MB (4) 16M x 9 None (1) 16M x 36 128MB (4) 16M x 9 (1) 16M x 36 None DRAM CONFIGURATION 3 Size Bank 0 Bank 1 Bank 2 2MB None (1) 512K x 36 None 4MB None (1) 1M x 36 None 4MB None (1) 512K x 36 (1) 512K x 36 6MB None (1) 512K x 36 (1) 1M x 36 6MB (4) 1M x 9 None (1) 512K x 36 8MB None (1) 2M x 36 None 8MB None (1) 1M x 36 (1) 1M x 36 8MB (4) 1M x 9 None (1) 1M x 36 10MB None (1) 512K x 36 (1) 2M x 36 12MB None (1) 1M x 36 (1) 2M x 36 16MB None (1) 4M x 36 None 16MB None (1) 2M x 36 (1) 2M x 36 20MB None (1) 1M x 36 (1) 4M x 36 20MB (4) 4M x 9 None (1) 1M x 36 32MB None (1) 8M x 36 None 32MB None (1) 4M x 36 (1) 4M x 36 64MB None (1) 16M x 36 None 64MB None (1) 8M x 36 (1) 8M x 36 128MB None (1) 32M x 36 None 128MB None (1) 16M x 36 (1) 16M x 36 128MB (4) 16M x 9 None (1) 16M x 36 DRAM JUMPER CONFIGURATION Configuration RNC1 RNC2 RNC3 1 Installed Not installed Not installed 2 Not installed Installed Not installed 3 Not installed Not installed Installed CACHE CONFIGURATION Size Bank 0 Bank 1 TAG0 TAG1 128KB (4) 32K x 8 None None (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 None (1) 16K/32K x 8 CACHE JUMPER CONFIGURATION Size JP6 JP7 128KB Pins 1 & 2 closed Pins 1 & 2 closed 256KB Pins 2 & 3 closed Pins 2 & 3 closed CPU SPEED SELECTION Speed JP5 JP12 JP13 JP14 25MHz 1 & 2, 5 & 1 & 2 Open Open 6 33MHz 1 & 2, 3 & 1 & 2 Open Open 4 40MHz 3 & 4, 5 & 2 & 3 Open Closed 6, 7 & 8 50iMHz 1 & 2, 5 & 1 & 2 Open Open 6 50MHz 1 & 2, 5 & 2 & 3 Closed Closed 6, 7 & 8 63iMHz 1 & 2, 5 & 1 & 2 Open Open 6 66iMHz 1 & 2, 3 & 1 & 2 Open Open 4 80iMHz 3 & 4, 5 & 2 & 3 Open Closed 6, 7 & 8 83iMHz 1 & 2, 3 & 1 & 2 Open Open 4 100iMHz 1 & 2, 3 & 1 & 2 Open Open 4 120iMHz 3 & 4, 5 & 2 & 3 Open Closed 6, 7 & 8 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type RNA1 RNA2 RNA3 RNA4 80486SX Not Not Installed Not installed installed installed Intel Not Not Not Not S-series installed installed installed installed ODP486 Not Installed Not Not installed installed installed CX486DX Not Not Not Installed installed installed installed 80486DX Installed Not Not Not installed installed installed 80486DX2 Installed Not Not Not installed installed installed AM486DX4 Installed Not Not Not installed installed installed AMD Not Not Not Not enhanced installed installed installed installed 80486DX4 Installed Not Not Not installed installed installed P24T Not Installed Not Not installed installed installed P24CT Not Installed Not Not installed installed installed CX 5X86 Installed Not Not Not installed installed installed CPU TYPE SELECTION (CON’T) Type RNB1 RNB2 RNB3 W8 80486SX Installed Not installed Not installed Closed Intel Not installed Installed Not installed N/A S-series ODP486 Installed Not installed Not installed Open CX486DX Not installed Not installed Installed Closed 80486DX Installed Not installed Not installed Closed 80486DX2 Installed Not installed Not installed Closed AM486DX4 Not installed Installed Not installed Open AMD enhanced Not installed Installed Not installed N/A 80486DX4 Installed Not installed Not installed Open P24T Installed Not installed Not installed Open P24CT Installed Not installed Not installed Open CX 5X86 Not installed Installed Not installed Open CPU TYPE SELECTION (WRITE BACK) Type JP15 JP16 AMD write back Pins 1 & 2 closed Pins 2 & 3 closed Intel write back Pins 1 & 2 closed Pins 2 & 3 closed Other CPU types Open Open