ADVANCED INTEGRATION RESEARCH, INC. AIR486EI Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2 Processor Speed 20/25/33/50(internal)/50/66(internal)MHz Chip Set SIS Max. Onboard DRAM 256MB Cache 64/128/256/512KB BIOS AMI/Phoenix Dimensions 221mm x 332mm I/O Options 32-bit VESA local bus slots (3) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Reset switch J6 Turbo switch J22 Speaker J8 Turbo LED J24/pins 1&2 Power LED & keylock J9 32-bit VESA local S1 - S3 bus slots USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color J7 Closed Monitor type select monochrome J7 Open DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 2MB (1) 512K x NONE NONE NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 4MB (1) 256K x (1) 256K x (1) 512K x NONE 36 36 36 4MB (1) 512K x NONE (1) 512K x NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 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 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) 4MB x 36 NONE 36 18MB (1) 256K x (1) 256K x (1) 4MB x 36 NONE 36 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 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 128MB (1) 16M x 36 (1) 16M x 36 NONE NONE 192MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 NONE 256MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 (1) 16M 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 512KB (4) 128K x 8 NONE CACHE JUMPER CONFIGURATION Size JC1 JC2 JC3 JC4 JC5 JC6 JC7 JP9 64KB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 128KB 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2 2 & 3 1 & 2 256KB 2 & 3 2 & 3 2 & 3 1 & 2 1 & 2 2 & 3 2 & 3 4 & 5 512KB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type J1 J2 J3 80486SX Open Open pins 2 & 3 closed ODP486SX Closed pins 2 & 3 pins 1 & 2 closed closed 80487SX Closed pins 2 & 3 pins 1 & 2 closed closed 80486DX Closed pins 1 & 2 pins 2 & 3 closed closed 80486DX2 Closed pins 1 & 2 pins 2 & 3 closed closed CPU SPEED CONFIGURATION Speed JO1 JO2 JO3 JO4 JL2 20MHz Open Closed Closed Closed Open 25MHz Closed Open Closed Closed Open 33MHz Closed Closed Open Closed Open 50iMHz Closed Open Closed Closed Open 50MHz Open Open Open Open Closed 66iMHz Closed Closed Open Closed Open