TMC RESEARCH CORPORATION PCI48IX (VER. 1.0) Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive Processor 25/33/50(internal)/66(internal)MHz Speed Chip Set Intel Max. Onboard 128MB DRAM Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (3) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location IDE interface LED J2 IDE interface LED J3 (pins 10 - 20) Speaker J3 (pins 1 - Power LED & J3 (pins 11 - 4) keylock 15) Reset switch J3 (pins 9 - 32-bit PCI slots SL1 - SL3 19) USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select monochrome JP1 Open Monitor type select color JP1 Closed » Flash BIOS mode select normal JP2 pins 2 & 3 closed Flash BIOS mode select recovery JP2 pins 1 & 2 closed » Flash BIOS write protect JP3 pins 1 & 2 disabled closed Flash BIOS write protect enabled JP3 pins 2 & 3 closed » CMOS memory normal operation JP7 Open CMOS memory clear JP7 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 2MB (2) 256K x 36 NONE 4MB (2) 256K x 36 (2) 256K x 36 4MB (2) 512K x 36 NONE 6MB (2) 256K x 36 (2) 512K x 36 6MB (2) 512K x 36 (2) 256K x 36 8MB (2) 512K x 36 (2) 512K x 36 8MB (2) 1M x 36 NONE 10MB (2) 256K x 36 (2) 1M x 36 10MB (2) 1M x 36 (2) 256K x 36 12MB (2) 512K x 36 (2) 1M x 36 12MB (2) 1M x 36 (2) 512K x 36 16MB (2) 1M x 36 (2) 1M x 36 16MB (2) 2M x 36 NONE 18MB (2) 256K x 36 (2) 2M x 36 18MB (2) 2M x 36 (2) 256K x 36 20MB (2) 512K x 36 (2) 2M x 36 20MB (2) 2M x 36 (2) 512K x 36 24MB (2) 1M x 36 (2) 2M x 36 24MB (2) 2M x 36 (2) 1M x 36 32MB (2) 2M x 36 (2) 2M x 36 32MB (2) 4M x 36 NONE 34MB (2) 256K x 36 (2) 4M x 36 34MB (2) 4M x 36 (2) 256K x 36 36MB (2) 512K x 36 (2) 4M x 36 36MB (2) 4M x 36 (2) 512K x 36 40MB (2) 1M x 36 (2) 4M x 36 40MB (2) 4M x 36 (2) 1M x 36 48MB (2) 2M x 36 (2) 4M x 36 48MB (2) 4M x 36 (2) 2M x 36 64MB (2) 4M x 36 (2) 4M x 36 64MB (2) 8M x 36 NONE 66MB (2) 256K x 36 (2) 8M x 36 66MB (2) 8M x 36 (2) 256K x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 68MB (2) 512K x 36 (2) 8M x 36 68MB (2) 8M x 36 (2) 512K x 36 72MB (2) 1M x 36 (2) 8M x 36 72MB (2) 8M x 36 (2) 1M x 36 80MB (2) 2M x 36 (2) 8M x 36 80MB (2) 8M x 36 (2) 2M x 36 96MB (2) 4M x 36 (2) 8M x 36 96MB (2) 8M x 36 (2) 4M x 36 128MB (2) 8M x 36 (2) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 64KB (4) 8K x 8 (4) 8K x 8 128KB (4) 32K x 8 NONE 256KB (4) 32K x 8 (4) 32K x 8 CACHE TAG CONFIGURATION Size TAG (U18) TAG (U35) TAG (U36) 64KB (1) 8K x 8 (1) 64K x 1 (1) 64K x 1 128KB (1) 8K x 8 (1) 64K x 1 (1) 64K x 1 256KB (1) 8K x 8 (1) 64K x 1 (1) 64K x 1 CACHE JUMPER CONFIGURATION Size RA1 RA2 RA3 RA4 RA5 RA6 64KB Not Not Installed Not Not Installed installed installed installed installed 128KB Not Installed Not Not Installed Not installed installed installed installed 256KB Installed Not Not Installed Not Not installed installed installed installed CPU TYPE CONFIGURATION Type RN14 RN15 RN16 80486SX Not installed Not installed Installed ODP486SX Not installed Installed Not installed 80487SX Not installed Installed Not installed 80486DX/DX2 Installed Not installed Not installed Pentium Not installed Installed Not installed Overdrive CPU SPEED CONFIGURATION Speed JP4 JP5 25MHz Closed Closed 33MHz Open Closed 50iMHz Closed Closed 66iMHz Open Closed PCI IRQ CONFIGURATION IRQ RN17 RN18 RN19 IRQ5 Installed Not installed Not installed IRQ11 Not installed Installed Not installed IRQ15 Not installed Not installed Installed