ADVANCED INTEGRATION RESEARCH, INC. 486SH REV. 3.12 Processor 80486SX/80487SX/80486DX/ODP486SX/AM486DX2/80486DX2/AM486DX4/ 80486DX4/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)75(internal)/100(internal)MHz Speed Chip Set SIS Max. 128MB Onboard DRAM Cache 128/256/512KB BIOS AMI Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (3) Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J1 Speaker J4 Reset switch J2 Turbo LED J5 Turbo switch J3 32-bit VESA local SL1 - SL3 bus slots USER CONFIGURABLE SETTINGS Function Jumper Position Turbo enabled J3 pins 2 & 3 closed Turbo disabled J3 pins 1 & 2 closed » CMOS memory normal operation JP16 pins 1 & 2 closed CMOS memory clear JP16 pins 2 & 3 closed » Monitor type select JP17 Open VGA/EGA/monochrome Monitor type select CGA JP17 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 512K x NONE NONE NONE 36 4MB (1) 512K x NONE (1) 512K x NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 6MB (1) 512K x NONE (1) 1M x 36 NONE 36 8MB (1) 512K x (1) 1M x 36 (1) 512K x NONE 36 36 8MB (1) 1M x 36 NONE (1) 1M x 36 NONE 8MB (1) 2M x 36 NONE NONE NONE 12MB (1) 512K x (1) 1M x 36 (1) 512K x (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 18MB (1) 512K x NONE (1) 4M x 36 NONE 36 20MB (1) 512K x (1) 4M x 36 (1) 512K x NONE 36 36 20MB (1) 1M x 36 NONE (1) 4M x 36 NONE 24MB (1) 512K x (1) 1M x 36 (1) 512K x (1) 4M x 36 36 36 24MB (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 NONE 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 NONE 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 4M x 36 NONE (1) 4M x 36 NONE 32MB (1) 8M x 36 NONE NONE NONE 36MB (1) 512K x (1) 4M x 36 (1) 512K x (1) 4M x 36 36 36 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 36MB (1) 1M x 36 NONE (1) 8M x 36 NONE 40MB (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 (1) 4M x 36 40MB (1) 1M x 36 (1) 8M x 36 (1) 1M x 36 NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 48MB (1) 4M x 36 NONE (1) 8M 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) 8M x 36 (1) 4M x 36 NONE 64MB (1) 8M x 36 NONE (1) 8M x 36 NONE 68MB (1) 1M x 36 NONE (1) 16M x 36 NONE 68MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 NONE DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 72MB (1) 1M x 36 (1) 16M x 36 (1) 1M x 36 NONE 72MB (1) 1M x 36 (1) 8M x 36 (1) 1M x 36 (1) 8M x 36 80MB (1) 4M x 36 NONE (1) 16M x 36 NONE 80MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 NONE 96MB (1) 4M x 36 (1) 16M x 36 (1) 4M x 36 NONE 96MB (1) 4M x 36 (1) 8M x 36 (1) 4M x 36 (1) 8M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 NONE 128MB (1) 16M x 36 NONE (1) 16M x 36 NONE 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 32K x 8 256KB (A) (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 256KB (B) (4) 64K x 8 NONE (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K x 8 Note: The orientation of Banks 0 & 1 are unidentified. CACHE JUMPER CONFIGURATION Size JP1 JP2 JP3 JP4 JP33 128KB 1 & 2 1 & 2 1 & 2, 3 1 & 2 2 & 3 & 4 256KB (A) 2 & 3 2 & 3 2 & 3, 4 1 & 2 2 & 3 & 5 256KB (B) 1 & 2 2 & 3 1 & 2, 3 1 & 2 1 & 2 & 4 512KB 1 & 2 2 & 3 1 & 2, 3 2 & 3 2 & 3 & 4 Note: The location of JP33 is unidentified. Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP8 JP9 JP11 JP30 JP36 80486SX 2 & 3 Open Open Open 1 & 3, 2 & 4 80487SX 1 & 2 Closed 2 & 3 Open 1 & 3, 2 & 4 ODP486SX 1 & 2 Closed 2 & 3 Open 1 & 3, 2 & 4 80486DX 1 & 2 Closed 3 & 4 Open 1 & 3, 2 & 4 AM486DX2 1 & 2 Closed 3 & 4 Open 3 & 5, 4 & 6 80486DX2 1 & 2 Closed 3 & 4 Open 1 & 3, 2 & 4 AM486DX4 1 & 2 Closed 3 & 4 Closed 3 & 5, 4 & 6 80486DX4 1 & 2 Closed 3 & 4 Open 3 & 5, 4 & 6 P24T 1 & 2 Closed 2 & 3 Open 1 & 3, 2 & 4 Note: The location of JP30 is unidentified. Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP5 JP6 JP7 JP29 25MHz Closed Closed Open pins 1 & 2 closed 33MHz Open Closed Closed pins 1 & 2 closed 40MHz Closed Open Open pins 2 & 3 closed 50iMHz Closed Closed Open pins 1 & 2 closed 50MHz Open Open Closed pins 2 & 3 closed 66iMHz Open Closed Closed pins 1 & 2 closed 75iMHz Closed Closed Open pins 1 & 2 closed 100iMHz Open Closed Closed pins 2 & 3 closed