GIGA-BYTE TECHNOLOGY CO., LTD. GA-686FX Processor Pentium Pro Processor Speed 150/166/180/200MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Memory 512MB Maximum Video Memory None Cache 256/512KB (located on Pentium Pro CPU) BIOS Award Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2), ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX Speaker J5 Parallel port CN1 PS/2 mouse interface JP2 Serial port 2 CN2 Chassis fan power JP3 Serial port 1 CN3 USB connector JP6 IDE interface 1 CN4 USB connector JP7 Floppy drive interface CN5 Soft off power supply JP10 IDE interface 2 CN6 Turbo switch JP11 IDE interface LED J1 Turbo LED JP12 Green PC connector J2 Power LED & keylock JP13 Green PC LED J3 32-bit PCI slots PC1 – PC4 Reset switch J4 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not JP4 Unidentified alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB (2) 1M x 36 None None 16MB (2) 1M x 36 (2) 1M x 36 None 16MB (2) 2M x 36 None None 24MB (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 24MB (2) 2M x 36 (2) 1M x 36 None 32MB (2) 1M x 36 (2) 1M x 36 (2) 2M x 36 32MB (2) 2M x 36 (2) 2M x 36 None 32MB (2) 4M x 36 None None 40MB (2) 2M x 36 (2) 2M x 36 (2) 1M x 36 40MB (2) 4M x 36 (2) 1M x 36 None 48MB (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 48MB (2) 4M x 36 (2) 2M x 36 None 56MB (2) 4M x 36 (2) 2M x 36 (2) 1M x 36 64MB (2) 4M x 36 (2) 2M x 36 (2) 2M x 36 64MB (2) 4M x 36 (2) 4M x 36 None 64MB (2) 8M x 36 None None 72MB (2) 8M x 36 (2) 1M x 36 None 72MB (2) 4M x 36 (2) 4M x 36 (2) 1M x 36 80MB (2) 8M x 36 (2) 2M x 36 None 80MB (2) 4M x 36 (2) 4M x 36 (2) 2M x 36 80MB (2) 8M x 36 (2) 1M x 36 (2) 1M x 36 88MB (2) 8M x 36 (2) 2M x 36 (2) 1M x 36 96MB (2) 8M x 36 (2) 2M x 36 (2) 2M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 96MB (2) 8M x 36 (2) 4M x 36 None 96MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 104MB (2) 8M x 36 (2) 4M x 36 (2) 1M x 36 112MB (2) 8M x 36 (2) 4M x 36 (2) 2M x 36 128MB (2) 16M x 36 None None 128MB (2) 8M x 36 (2) 8M x 36 None 128MB (2) 8M x 36 (2) 4M x 36 (2) 4M x 36 136MB (2) 16M x 36 (2) 1M x 36 None 136MB (2) 8M x 36 (2) 8M x 36 (2) 1M x 36 144MB (2) 16M x 36 (2) 1M x 36 (2) 1M x 36 144MB (2) 16M x 36 (2) 2M x 36 None 144MB (2) 8M x 36 (2) 8M x 36 (2) 2M x 36 152MB (2) 16M x 36 (2) 2M x 36 (2) 1M x 36 160MB (2) 16M x 36 (2) 2M x 36 (2) 2M x 36 160MB (2) 16M x 36 (2) 4M x 36 None 168MB (2) 16M x 36 (2) 4M x 36 (2) 1M x 36 176MB (2) 16M x 36 (2) 4M x 36 (2) 2M x 36 192MB (2) 16M x 36 (2) 4M x 36 (2) 4M x 36 192MB (2) 16M x 36 (2) 8M x 36 None 200MB (2) 16M x 36 (2) 8M x 36 (2) 1M x 36 208MB (2) 16M x 36 (2) 8M x 36 (2) 2M x 36 224MB (2) 16M x 36 (2) 8M x 36 (2) 4M x 36 256MB (2) 16M x 36 (2) 8M x 36 (2) 8M x 36 256MB (2) 16M x 36 (2) 16M x 36 None 256MB (2) 32M x 36 None None 264MB (2) 16M x 36 (2) 16M x 36 (2) 1M x 36 264MB (2) 32M x 36 (2) 1M x 36 None 272MB (2) 16M x 36 (2) 16M x 36 (2) 2M x 36 272MB (2) 32M x 36 (2) 2M x 36 None 280MB (2) 32M x 36 (2) 2M x 36 (2) 1M x 36 288MB (2) 32M x 36 (2) 2M x 36 (2) 2M x 36 288MB (2) 32M x 36 (2) 4M x 36 None 296MB (2) 32M x 36 (2) 4M x 36 (2) 1M x 36 304MB (2) 32M x 36 (2) 4M x 36 (2) 2M x 36 320MB (2) 32M x 36 (2) 4M x 36 (2) 4M x 36 320MB (2) 32M x 36 (2) 8M x 36 None 328MB (2) 32M x 36 (2) 8M x 36 (2) 1M x 36 336MB (2) 32M x 36 (2) 8M x 36 (2) 2M x 36 352MB (2) 32M x 36 (2) 8M x 36 (2) 4M x 36 384MB (2) 32M x 36 (2) 8M x 36 (2) 8M x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 384MB (2) 32M x 36 (2) 16M x 36 None 392MB (2) 32M x 36 (2) 16M x 36 (2) 1M x 36 400MB (2) 32M x 36 (2) 16M x 36 (2) 2M x 36 416MB (2) 32M x 36 (2) 16M x 36 (2) 4M x 36 448MB (2) 32M x 36 (2) 16M x 36 (2) 8M x 36 512MB (2) 32M x 36 (2) 16M x 36 (2) 16M x 36 512MB (2) 32M x 36 (2) 32M x 36 None CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium Pro CPU. CPU SPEED SELECTION CPU speed S1/1 S1/2 S1/3 S1/4 150MHz On On Off Off 166MHz Off On Off Off 180MHz On Off On Off 200MHz Off Off On Off