GIGA-BYTE TECHNOLOGY CO., LTD. GA-486VP Processor 80486SX/80487SX/CX486S/CX486S2/80486DX/80486DX2/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set UMC Max. Onboard 64MB DRAM Cache 64/128/256KB BIOS AMI Dimensions 230mm x 218mm I/O Options 32-bit VESA local bus slots (3) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery J2 Power LED & keylock J9 Turbo LED J5 32-bit VESA Local bus S1 slot Reset switch J6 32-bit VESA Local bus S2 slot Turbo switch J7 32-bit VESA Local bus S3 slot Speaker J8 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation J3 pins 1 & 2 closed CMOS memory clear J3 pins 2 & 3 closed » Monitor type select CGA J11 Closed Monitor type select all others J11 Open DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 1M x 36 NONE NONE NONE 2MB (1) 1M x 36 (1) 1M x 36 NONE NONE 3MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 4MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 4MB (1) 4M x 36 NONE NONE NONE 5MB (1) 1M x 36 (1) 4M x 36 NONE NONE 6MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 8MB (1) 4M x 36 (1) 4M x 36 NONE NONE 9MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 10MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 12MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 16MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 16MB (1) 16M x 36 NONE NONE NONE 20MB (1) 4M x 36 (1) 16M x 36 NONE NONE 24MB (1) 4M x 36 (1) 4M x 36 (1) 16M x 36 NONE 32MB (1) 16M x 36 (1) 16M x 36 NONE NONE 36MB (1) 4M x 36 (1) 16M x 36 (1) 16M x 36 NONE 40MB (1) 4M x 36 (1) 4M x 36 (1) 16M x 36 (1) 16M x 36 48MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 NONE 64MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size W0 W1 W2 W3 W4 64KB pins 1 & Open Open pins 1 & pins 1 & 2 2 2 128KB pins 1 & Closed Open pins 2 & pins 2 & 2 3 3 256KB pins 2 & Closed Closed pins 1 & pins 2 & 3 2 3 Note:Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP3 W6 80486SX Open pins 2 & 3 closed CX486S Open pins 2 & 3 closed CX486S2 Closed pins 2 & 3 closed 80487SX Open pins 1 & 2 closed 80486DX Open pins 1 & 2 closed 80486DX2 Open pins 1 & 2 closed CPU SPEED CONFIGURATION Speed JP2 JP6 W7 W8 W9 25MHz pins 1 & Open pins 1 & pins 2 & pins 2 & 2 2 3 3 33MHz pins 1 & Open pins 1 & pins 1 & pins 1 & 2 2 2 2 40MHz pins 2 & Closed pins 1 & pins 1 & pins 2 & 3 2 2 3 50iMHz pins 1 & Open pins 1 & pins 2 & pins 2 & 2 2 3 3 50MHz pins 2 & Closed pins 2 & pins 2 & pins 1 & 3 3 3 2 66iMHz pins 1 & Open pins 1 & pins 1 & pins 1 & 2 2 2 2 Note:Pins designated should be in the closed position.