GIGA-BYTE TECHNOLOGY CO., LTD. GA-686LX3 (VER. 2.0) Device Type Mainboard Processor Pentium II Processor Speed 200/233/266/300/333/366MHz Chip Set Intel 440LX Maximum Onboard Memory 768MB (EDO & SDRAM supported) Cache 256/512KB (located on Pentium II CPU) BIOS Award Dimensions 305mm x 180mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, SB-link connector, wake on LAN connector [Image] CONNECTIONS Purpose Location Purpose Location AGP slot AGP CPU fan power J1 ATX power ATX Green PC LED JP7/pins 1 & connector 12 Parallel port CN1 Reset switch JP7/pins 3 & 4 Serial port 1 CN2 Speaker JP7/pins 5 - 8 Serial port 2 CN3 IDE interface LED JP7/pins 9 & 20 USB connector 1 CN4 Green PC connector JP7/pins 11 & 22 USB connector 2 CN5 Soft off power JP7/pins 15 & supply 16 PS/2 mouse port CN6 Power LED JP7/pins 17 - 19 IDE interface 2 CN7 SB-link connector JP9 IDE interface 1 CN8 Wake on LAN JP10 connector Floppy drive CN9 32-bit PCI slots PC1 - PC4 interface IR connector IR1 USER CONFIGURABLE SETTINGS Function Label Position ATX power supply select soft off J13 Open ATX power supply select full on J13 Closed » Keyboard power on disabled JP1 Pins 2 & 3 closed Keyboard power on enabled JP1 Pins 1 & 2 closed DIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB (1) 1M x 64 None None 16MB (1) 2M x 64 None None 16MB (1) 1M x 64 (1) 1M x 64 None 24MB (1) 2M x 64 (1) 1M x 64 None 24MB (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 32MB (1) 4M x 64 None None 32MB (1) 2M x 64 (1) 1M x 64 (1) 1M x 64 32MB (1) 2M x 64 (1) 2M x 64 None 40MB (1) 4M x 64 (1) 1M x 64 None 40MB (1) 2M x 64 (1) 2M x 64 (1) 1M x 64 48MB (1) 4M x 64 (1) 1M x 64 (1) 1M x 64 48MB (1) 4M x 64 (1) 2M x 64 None 48MB (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 56MB (1) 4M x 64 (1) 2M x 64 (1) 1M x 64 64MB (1) 8M x 64 None None 64MB (1) 4M x 64 (1) 2M x 64 (1) 2M x 64 64MB (1) 4M x 64 (1) 4M x 64 None 72MB (1) 8M x 64 (1) 1M x 64 None 72MB (1) 4M x 64 (1) 4M x 64 (1) 1M x 64 80MB (1) 8M x 64 (1) 1M x 64 (1) 1M x 64 DIMM CONFIGURATION (CON'T) Size Bank 0 Bank 1 Bank 2 80MB (1) 8M x 64 (1) 2M x 64 None 80MB (1) 4M x 64 (1) 4M x 64 (1) 2M x 64 88MB (1) 8M x 64 (1) 2M x 64 (1) 1M x 64 96MB (1) 8M x 64 (1) 2M x 64 (1) 2M x 64 96MB (1) 8M x 64 (1) 4M x 64 None 96MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 104MB (1) 8M x 64 (1) 4M x 64 (1) 1M x 64 112MB (1) 8M x 64 (1) 4M x 64 (1) 2M x 64 128MB (1) 16M x 64 None None 128MB (1) 8M x 64 (1) 4M x 64 (1) 4M x 64 128MB (1) 8M x 64 (1) 8M x 64 None 136MB (1) 16M x 64 (1) 1M x 64 None 136MB (1) 8M x 64 (1) 8M x 64 (1) 1M x 64 144MB (1) 16M x 64 (1) 1M x 64 (1) 1M x 64 144MB (1) 16M x 64 (1) 2M x 64 None 144MB (1) 8M x 64 (1) 8M x 64 (1) 2M x 64 152MB (1) 16M x 64 (1) 2M x 64 (1) 1M x 64 160MB (1) 16M x 64 (1) 2M x 64 (1) 2M x 64 168MB (1) 16M x 64 (1) 4M x 64 (1) 1M x 64 176MB (1) 16M x 64 (1) 4M x 64 (1) 2M x 64 192MB (1) 16M x 64 (1) 4M x 64 (1) 4M x 64 192MB (1) 16M x 64 (1) 8M x 64 None 192MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 256MB (1) 32M x 64 None None 256MB (1) 16M x 64 (1) 8M x 64 (1) 8M x 64 264MB (1) 32M x 64 (1) 1M x 64 None 272MB (1) 32M x 64 (1) 1M x 64 (1) 1M x 64 272MB (1) 32M x 64 (1) 2M x 64 None 288MB (1) 32M x 64 (1) 2M x 64 (1) 2M x 64 288MB (1) 32M x 64 (1) 4M x 64 None 320MB (1) 32M x 64 (1) 4M x 64 (1) 4M x 64 320MB (1) 32M x 64 (1) 8M x 64 None 384MB (1) 32M x 64 (1) 8M x 64 (1) 8M x 64 384MB (1) 32M x 64 (1) 16M x 64 None 384MB (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 512MB (1) 32M x 64 (1) 16M x 64 (1) 16M x 64 512MB (1) 32M x 64 (1) 32M x 64 None 768MB (1) 32M x 64 (1) 32M x 64 (1) 32M x 64 Note: Board accepts EDO & SDRAM memory. Maximum SDRAM is 384MB. Maximum EDO is 768MB. CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium II CPU. CPU SPEED SELECTION CPU speed Clock speed Multiplier JP2 JP3 JP4 200MHz 66MHz 3x 1 & 2 1 & 2 1 & 2 233MHz 66MHz 3.5x 1 & 2 1 & 2 1 & 2 266MHz 66MHz 4x 1 & 2 1 & 2 1 & 2 300MHz 66MHz 4.5x 1 & 2 1 & 2 1 & 2 333MHz 66MHz 5x 1 & 2 1 & 2 1 & 2 366MHz 66MHz 5.5x 1 & 2 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CON'T) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 200MHz 66MHz 3x On Off On On 233MHz 66MHz 3.5x Off Off On On 266MHz 66MHz 4x On On Off On 300MHz 66MHz 4.5x Off On Off On 333MHz 66MHz 5x On Off Off On 366MHz 66MHz 5.5x Off Off Off On