TMC RESEARCH CORPORATION PCI48AL (VER. 0.10) Processor 80486SX/SL80486SX//80487SX/CX486DX/80486DX/AM486DXL/SL80486DX/ODP486SX/CX486DX2/80486DX2/SL80486DX2/80486DX4/P24C/P24D/ P24CP/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Unidentified Max. 128MB Onboard DRAM Cache 128/256KB BIOS Unidentified Dimensions 330mm x 218mm I/O 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2) Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Turbo switch J12 pins 7 & 17 Serial port 2 CN2 Turbo LED J12 pins 8 & 18 Parallel port CN3 Reset switch J12 pins 9 & 19 Floppy drive CN4 IDE interface LED J12 pins 10 & interface 20 IDE interface CN5 Power LED & J12 pins 11 (primary) keylock -15 IDE interface CN6 32-bit PCI slots PCI1 - PCI3 (secondary) External battery J9 Green PC SW connector Speaker J12 pins 1 - 4 USER CONFIGURABLE SETTINGS Function Jumper Position » Battery type select internal JP1 pins 2 & 3 closed Battery type select external JP1 Open CMOS memory clear JP1 pins 1 & 2 closed » IDE interface enabled JP2 Closed IDE interface disabled JP2 Open » BIOS type select normal JP3 pins 2 & 3 closed BIOS type select flash JP3 pins 1 & 2 closed » Monitor type select color JP8 Closed Monitor type select monochrome JP8 Open » Factory configured - do not JP11 N/A alter » Factory configured - do not W1 N/A alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB NONE NONE (1) 256K x (1) 256K x 36 36 2MB NONE NONE NONE (1) 512K x 36 4MB NONE NONE NONE (1) 1M x 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 256K x (1) 256K x NONE (1) 512K x 36 36 36 4MB NONE (1) 512K x NONE (1) 512K x 36 36 5MB NONE NONE (1) 1M x 36 (1) 256K x 36 6MB NONE (1) 256K x (1) 256K x (1) 256K x 36 36 36 6MB NONE (1) 1M x 36 NONE (1) 512K x 36 8MB NONE NONE (1) 1M x 36 (1) 1M x 36 8MB NONE NONE NONE (1) 2M x 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 10MB (1) 1M x 36 (1) 1M x 36 NONE (1) 512K x 36 10MB NONE (1) 2M x 36 NONE (1) 512K x 36 12MB NONE (1) 2M x 36 NONE (1) 1M x 36 16MB NONE NONE NONE (1) 4M x 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 1M x 36 (1) 1M x 36 NONE (1) 2M x 36 16MB NONE (1) 2M x 36 NONE (1) 2M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 17MB NONE NONE (1) 4M x 36 (1) 256K x 36 20MB NONE NONE (1) 4M x 36 (1) 1M x 36 32MB NONE NONE (1) 4M x 36 (1) 4M x 36 32MB NONE NONE NONE (1) 8M x 36 64MB NONE NONE NONE (1) 16M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 4M x 36 (1) 4M x 36 NONE (1) 8M x 36 64MB NONE (1) 8M x 36 NONE (1) 8M x 36 128MB NONE NONE (1) 16M x (1) 16M x 36 36 128MB NONE NONE NONE (1) 32M x 36 CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 (1) 8K x 8 256KB (4) 64K x 8 (1) 16K x 8 CACHE JUMPER CONFIGURATION Size RNC1 RNC2 RNC3 128KB Installed Not installed Not installed 256KB Not installed Installed Not installed CPU TYPE CONFIGURATION Type RNA1 RNA2 RNA3 RNA4 RNA5 80486SX Not Not Installed Not Not installed installed installed installed SL80486SX Not Not Installed Not Not installed installed installed installed 80487SX Not Not Not Not Installed installed installed installed installed CX486DX Installed Not Not Not Not installed installed installed installed 80486DX Installed Not Not Not Not installed installed installed installed AM486DXL Installed Not Not Not Not installed installed installed installed SL80486DX Installed Not Not Not Not installed installed installed installed ODP486SX Not Not Not Not Installed installed installed installed installed CX486DX2 Not Installed Not Not Not installed installed installed installed 80486DX2 Installed Not Not Not Not installed installed installed installed SL80486DX2 Installed Not Not Not Not installed installed installed installed P24C Installed Not Not Not Not installed installed installed installed P24D Not Installed Not Not Not installed installed installed installed P24CT Not Not Not Installed Not installed installed installed installed Pentium Not Not Not Installed Not Overdrive installed installed installed installed CPU TYPE CONFIGURATION (CON’T) Type RNB1 RNB2 RNB3 RNB4 80486SX Installed Not Not Not installed installed installed SL80486SX Not Installed Not Not installed installed installed 80487SX Installed Not Not Not installed installed installed CX486DX Not Not Installed Not installed installed installed 80486DX Installed Not Not Not installed installed installed AM486DXL Not Not Not Installed installed installed installed SL80486DX Not Installed Not Not installed installed installed ODP486SX Installed Not Not Not installed installed installed CX486DX2 Not Not Installed Not installed installed installed 80486DX2 Installed Not Not Not installed installed installed SL80486DX2 Not Installed Not Not installed installed installed P24C Not Installed Not Not installed installed installed P24D Not Installed Not Not installed installed installed P24CT Not Installed Not Not installed installed installed Pentium Not Installed Not Not Overdrive installed installed installed CPU TYPE CONFIGURATION (CON’T) Type JP6 JP7 JP11 80486SX Open Open pins 1 & 2 closed SL80486SX Open Open pins 1 & 2 closed 80487SX Open Open pins 1 & 2 closed CX486DX Open Open pins 1 & 2 closed 80486DX Open Open pins 1 & 2 closed AM486DXL 2x Open Closed pins 1 & 2 closed AM486DXL 3x Open Open pins 1 & 2 closed SL80486Dx Open Open pins 1 & 2 closed ODP486SX Open Open pins 1 & 2 closed CX486DX2 2x Closed Open pins 1 & 2 closed CX486DX2 Closed Open pins 1 & 2 closed CX486DX2 3x Open Open pins 1 & 2 closed CX486DX2 (3v) Open Open pins 2 & 3 closed CX486DX2 (3.3v) Open Open pins 2 & 3 closed 80486DX2 Closed Open pins 1 & 2 closed SL80486DX2 Open Open pins 1 & 2 closed CX486DX4 Open Open pins 1 & 2 closed P24C Open Open pins 1 & 2 closed AM486DXL (3.3v) Open Closed pins 1 & 2 closed P24C 2x Closed Open pins 1 & 2 closed P24C 3x Open Open pins 1 & 2 closed P24D Open Open pins 1 & 2 closed P24CT Open Open pins 1 & 2 closed Pentium Overdrive Open Open pins 1 & 2 closed CPU SPEED CONFIGURATION Speed RND1 RND2 RND3 RND4 25MHz Installed Not Not Not installed installed installed 33MHz Not Installed Not Not installed installed installed 40MHz Not Not Installed Not installed installed installed 50iMHz Installed Not Not Not installed installed installed 50MHz Not Not Not Installed installed installed installed 66iMHz Not Installed Not Not installed installed installed 75iMHz Installed Not Not Not installed installed installed 100iMHz Not Installed Not Not installed installed installed CPU VOLTAGE CONFIGURATION Voltage JP9 JP10 3.145v - 3.6v Open Closed 4.0v Closed Open DRQ/DACK CONFIGURATION DRQ/DACK JP4 JP5 DRQ1/DACK1 pins 1 & 2 closed pins 1 & 4 closed DRQ3/DACK3 pins 3 & 4 closed pins 2 & 5 closed