GIGA-BYTE TECHNOLOGY CO., LTD. GA-686LX2 (VER. 1.0) Device Type Mainboard Processor Pentium II Processor Speed 200/233/266/300/333/366MHz Chip Set Intel 440LX Maximum Onboard Memory 1GB (EDO & SDRAM supported) Cache 256/512KB (located on Pentium II CPU) BIOS Award Dimensions 305mm x 244mm I/O Options 32-bit PCI slots (5), 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, wake on LAN connector [Image] CONNECTIONS Purpose Location Purpose Location AGP slot AGP IDE interface LED J7 ATX power connector ATX Reset switch J10 USB connector 1 CN1 Speaker J11 IDE interface 2 CN2 Serial port 2 JP2 IDE interface 1 CN3 Serial port 1 JP3 USB connector 2 CN4 Soft off power supply JP4 CPU fan power J1 Green PC connector JP5 CPU fan power J2 Power LED JP6 PS/2 mouse port J3 ACPI LED JP7 Floppy drive interface J4 SB-link connector JP8 Parallel port J5 Wake on LAN connector JP9 IR connector J6 32-bit PCI slots PC1 - PC5 USER CONFIGURABLE SETTINGS Function Label Position ATX power supply select soft off J12 Open ATX power supply select full on J12 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 Bank 3 8MB (1) 1M x 64 None None None 16MB (1) 2M x 64 None None None 16MB (1) 1M x 64 (1) 1M x 64 None None 24MB (1) 2M x 64 (1) 1M x 64 None None 24MB (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 None 32MB (1) 4M x 64 None None None 32MB (1) 2M x 64 (1) 2M x 64 None None 32MB (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 40MB (1) 4M x 64 (1) 1M x 64 None None 48MB (1) 4M x 64 (1) 2M x 64 None None 48MB (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 None 64MB (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 64MB (1) 8M x 64 None None None 64MB (1) 4M x 64 (1) 4M x 64 None None 72MB (1) 8M x 64 (1) 1M x 64 None None 80MB (1) 8M x 64 (1) 2M x 64 None None 96MB (1) 8M x 64 (1) 4M x 64 None None 96MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 None 128MB (1) 16M x None None None 64 128MB (1) 8M x 64 (1) 8M x 64 None None DIMM CONFIGURATION (CON'T) Size Bank 0 Bank 1 Bank 2 Bank 3 128MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 136MB (1) 16M x (1) 1M x 64 None None 64 144MB (1) 16M x (1) 2M x 64 None None 64 176MB (1) 16M x (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 64 192MB (1) 16M x (1) 8M x 64 None None 64 192MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 None 256MB (1) 32M x None None None 64 256MB (1) 16M x (1) 16M x None None 64 64 256MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 272MB (1) 16M x (1) 16M x (1) 1M x 64 (1) 1M x 64 64 64 280MB (1) 32M x (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 64 288MB (1) 16M x (1) 16M x (1) 2M x 64 (1) 2M x 64 64 64 320MB (1) 16M x (1) 16M x (1) 4M x 64 (1) 4M x 64 64 64 384MB (1) 16M x (1) 16M x (1) 16M x None 64 64 64 448MB (1) 32M x (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 64 512MB (1) 32M x (1) 32M x None None 64 64 512MB (1) 16M x (1) 16M x (1) 16M x (1) 16M x 64 64 64 64 640MB (1) 32M x (1) 16M x (1) 16M x (1) 16M x 64 64 64 64 768MB (1) 32M x (1) 32M x (1) 32M x None 64 64 64 1024MB (1) 32M x (1) 32M x (1) 32M x (1) 32M x 64 64 64 64 Note: Board accepts EDO & SDRAM memory. Maximum SDRAM is 512MB. Maximum EDO is 1GB. CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium II CPU. CPU SPEED SELECTION CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 200MHz 66MHz 3x Off On Off Off 233MHz 66MHz 3.5x On On Off Off 266MHz 66MHz 4x Off Off On Off 300MHz 66MHz 4.5x On Off On Off 333MHz 66MHz 5x Off On On Off 366MHz 66MHz 5.5x On On On Off