ADVANCED INTEGRATION RESEARCH, INC. 486PH REV. 1.0 Processor 80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/80486DX2/ AM486DX4/80486DX4 Processor 25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Intel Max. 64MB Onboard DRAM Cache 128/256/512KB BIOS AMI Dimensions 330mm x 218mm I/O 32-bit VESA local bus slots (2), 32-bit PCI slots (3), green PC Options connector, IDE interface NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Speaker J1 Turbo LED J6 Power LED & keylock J2 IDE interface J7 IDE interface LED J3 Green PC connector J8 Turbo switch J4 32-bit PCI slots PC1 - PC3 Reset switch J5 32-bit VESA local bus SL1 & SL2 slots USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP1 pins 1 & 2 closed CMOS memory clear JP1 pins 2 & 3 closed » Monitor type select JP2 Open monochrome/EGA/VGA Monitor type select CGA JP2 Closed » Factory configured - do not alter JP3 pins 1 & 2 closed » Factory configured - do not alter JP14 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 12MB (1) 2M x 36 (1) 1M x 36 NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 1M x 36 NONE (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 4M x 36 NONE NONE NONE 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 24MB (1) 2M 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 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 40MB (1) 2M x 36 (1) 4M x 36 NONE (1) 4M x 36 40MB (1) 2M x 36 (1) 8M x 36 NONE NONE 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (2) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (2) 32K x 8 256KB (4) 64K x 8 NONE (2) 32K x 8 512KB (4) 128K x 8 NONE (2) 32K x 8 CACHE JUMPER CONFIGURATION Size JP8 JP9 JP11 JP12 128KB Closed Open Open Open 256KB Open Closed Closed Open 256KB Closed Open Closed Open 512KB Closed Open Closed Closed CPU TYPE CONFIGURATION Type JP10 JP16 JP23 JP24 JP25 80486SX Closed Open Open 2 & 3 1 & 2 CX486DX Closed Closed Closed 1 & 2 2 & 3 (3.3v) CX486DX (5v) Closed Open Closed 1 & 2 2 & 3 AM486DX Closed Open Closed 1 & 2 2 & 3 80486DX Closed Open Open 1 & 2 1 & 2 CX486DX2 Closed Closed Closed 1 & 2 2 & 3 (3.3v) CX486DX2 Closed Open Closed 1 & 2 2 & 3 (5v) AM486DX2 Closed Open Open 1 & 2 2 & 3 80486DX2 Closed Open Open 1 & 2 1 & 2 AM486DX4 Closed Open Closed 1 & 2 2 & 3 80486DX4 Closed Open Open 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP6 JP19 JP20 JP21 25MHz pins 2 & 3 Closed Open Open closed 33MHz pins 1 & 2 Open Closed Closed closed 50iMHz pins 2 & 3 Closed Open Open closed 66iMHz pins 1 & 2 Open Closed Closed closed 75iMHz pins 2 & 3 Closed Open Open closed 100iMHz pins 1 & 2 Open Closed Closed closed