TMC RESEARCH CORPORATION PCI48AF (VER. 3.0) Processor SL80486SX/80486SX/SL80486SX2/SL80486DX/80486DX/CX486M7/ TI486DX2/UMCU5/(SL)AM486DX2/AM486DX2/SL80486DX2/80486DX2/CXM1/(SL)AM486DX4/AM486DX4/80486DX4/P24D/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/100(internal)/ 120(internal)MHz Speed Chip Set ALI Max. 128MB Onboard DRAM Cache 128/256/512KB BIOS Unidentified Dimensions 254mm x 218mm I/O PS/2 mouse interface, parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE Options interface (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 J1 Speaker JP23 pins 1 - 4 Serial port 2 J2 Turbo switch JP23 pins 7 & 17 Parallel port J3 Turbo LED JP23 pins 8 & 18 Floppy drive J4 Reset switch JP23 pins 9 & interface 19 IDE interface 1 J5 Power LED & JP23 pins 11 - keylock 15 IDE interface 2 J6 IDE interface LED JP23 pins 10 & 20 PS/2 mouse JP3 32-bit PCI slots PC1 - PC4 interface USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP22 pins 1 & 2 closed CMOS memory clear JP22 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 256K x (1) 256K x NONE NONE 36 36 2MB (1) 512K x NONE NONE NONE 36 4MB (1) 1M x 36 NONE NONE NONE 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 512K x NONE (1) 256K x (1) 256K x 36 36 36 4MB (1) 512K x NONE (1) 512K x NONE 36 36 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 10MB (1) 512K x NONE (1) 1M x 36 (1) 1M x 36 36 10MB (1) 512K x NONE (1) 2M x 36 NONE 36 12MB (1) 1M x 36 NONE (1) 2M x 36 NONE 16MB (1) 4M x 36 NONE NONE 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) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 NONE (1) 2M x 36 NONE 17MB (1) 256K x (1) 4M x 36 NONE NONE 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE 64MB (1) 16M x 36 NONE NONE NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 NONE (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 NONE (1) 8M x 36 NONE 128MB (1) 16M x 36 (1) 16M x 36 NONE NONE 128MB (1) 32M x 36 NONE NONE NONE CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 (1) 8K x 8 256KB (4) 64K x 8 (1) 16K x 8 512KB (4) 128K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP4 JP5 128KB pins 2 & 3 closed pins 2 & 3 closed 256KB pins 2 & 3 closed pins 1 & 2 closed 512KB pins 1 & 2 closed pins 1 & 2 closed CPU TYPE CONFIGURATION Type JP10 JP11 JP12 JP13 JP14 SL80486SX 1 & 2 1 & 2 3 & 4 3 & 4 Closed 80486SX 1 & 2 1 & 2 Open 1 & 2 Open SL80486SX2 1 & 2 1 & 2 3 & 4 3 & 4 Closed SL80486DX 2 & 3 1 & 2 3 & 4 3 & 4 Closed 80486DX 2 & 3 1 & 2 Open 1 & 2 Open CX486M7 2 & 3 1 & 2 5 & 6 5 & 6 Closed TI486DX2 2 & 3 1 & 2 5 & 6 5 & 6 Closed UMC U5 1 & 2 1 & 2 1 & 2 1 & 2 Open SL AM486DX2 2 & 3 2 & 3 3 & 4 3 & 4 Closed AM486DX2 2 & 3 1 & 2 Open 1 & 2 Open SL80486DX2 2 & 3 1 & 2 3 & 4 3 & 4 Closed 80486DX2 2 & 3 1 & 2 Open 1 & 2 Open CXM1 2 & 3 1 & 2 3 & 4 3 & 4 Closed SL AM486DX4 2 & 3 2 & 3 3 & 4 3 & 4 Closed AM486DX4 2 & 3 1 & 2 Open 1 & 2 Closed 80486DX4 2 & 3 1 & 2 3 & 4 3 & 4 Closed P24D 2 & 3 2 & 3 3 & 4 3 & 4 Closed P24T 2 & 3 2 & 3 3 & 4 3 & 4 Closed Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP15 JP17 JP18 JP19 JP20 SL80486SX Open Open 3 & 4 Open Closed 80486SX Open Open Open Open Closed SL80486SX2 Open Open 3 & 4 Open Closed SL80486DX Open Open 3 & 4 2 & 3 Closed 80486DX Open Open Open 2 & 3 Closed CX486M7 Open 1 & 2 5 & 6 2 & 3 Open TI486DX2 Open 1 & 2 5 & 6 2 & 3 Open UMC U5 Open Open 1 & 2 Open Closed SL AM486DX2 Open 1 & 3, 5 3 & 4 2 & 3 Closed & 6 AM486DX2 Closed Open Open 2 & 3 Closed SL80486DX2 Open Open 3 & 4 2 & 3 Closed 80486DX2 Open Open Open 2 & 3 Closed CXM1 Open 5 & 6 3 & 4 2 & 3 Closed SL AM486DX4 Open 5 & 6 3 & 4 2 & 3 Closed AM486DX4 Open Open Open 2 & 3 Closed CPU TYPE CONFIGURATION (CON’T) Type JP15 JP17 JP18 JP19 JP20 80486DX4 Open Open 3 & 4 2 & 3 Closed P24D Open 5 & 6 3 & 4 2 & 3 Closed P24T Open Open 3 & 4 1 & 2 Closed Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP6 JP8 25MHz Open Open 33MHz Closed Closed 40MHz Closed Open 50iMHz Open Open 50MHz Open Closed 66iMHz Closed Closed 75iMHz Open Open 80iMHz Closed Open 100iMHz Closed Closed 120iMHz Closed Closed CPU VOLTAGE CONFIGURATION Voltage JP21 3.45v pins 1 & 2 closed 4v pins 3 & 4 closed 5v pins 5 & 6 closed DMA CONFIGURATION DMA JP1 JP2 DMA 1 pins 2 & 3 closed pins 2 & 3 closed DMA 3 pins 1 & 2 closed pins 1 & 2 closed