GIGA-BYTE TECHNOLOGY CO., LTD. GA-6BXA (VER. 1.0) Device Type Mainboard Processor Pentium II/Celeron Processor 266/300/333/350/366/400/433/450/466/500/550/600/650MHz Speed Chip Set Intel 440BX Maximum 768MB (EDO & SDRAM supported) Onboard Memory Cache 0/128/256/512KB (located on the CPU) BIOS Award Dimensions 305mm x 190mm I/O Options 32-bit PCI slots (5), floppy drive interface, game/MIDI port, 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, line in, line out, microphone in, audio in - CD-ROMs (2), SB-link connector, wake on LAN connector [Image] CONNECTIONS Purpose Location Purpose Location AGP slot AGP CPU fan power J2 ATX power ATX Chassis fan power J9 connector Power fan power C1 Green PC LED JP5/pins 1 & 12 Game/MIDI port CN1 Reset switch JP5/pins 3 & 4 Microphone in CN2 Speaker JP5/pins 5 - 8 Line in CN3 IDE interface LED JP5/pins 9 & 20 Line out CN4 Green PC connector JP5/pins 11 & 22 Serial port 1 CN5 Soft off power JP5/pins 15 & supply 16 Audio in - CD-ROM CN6 Power LED JP5/pins 17 - 19 Parallel port CN7 Audio in - CD-ROM JP7 USB connector 1 CN8 STR LED JP9 USB connector 2 CN9 Wake on LAN JP10 connector PS/2 mouse port CN10 Case open JP11 connector IDE interface 2 CN11 Wake on modem JP12 connector IDE interface 1 CN12 Modem connector JP20 Floppy drive CN13 SB-link connector JP21 interface Serial port 2 CN14 32-bit PCI slots PC1 - PC5 IR connector IR1 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 » System acceleration select 100MHz JP4 Pins 2 & 3 closed System acceleration select turbo JP4 Pins 1 & 2 closed » CMOS memory normal operation JP13 Pins 2 & 3 closed CMOS memory clear JP13 Pins 1 & 2 closed Suspend to RAM function enabled JP14 Open Suspend to RAM function disabled JP14 Closed PCI bus CLK select 33MHz JP16 Open PCI bus CLK select 44MHz JP16 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 32MB (1) 2M x 64 (1) 1M x 64 (1) 1M x 64 32MB (1) 2M x 64 (1) 2M x 64 None DIMM CONFIGURATION (CON'T) Size Bank 0 Bank 1 Bank 2 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 96MB (1) 8M x 64 (1) 4M x 64 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 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 200MB (1) 16M x 64 (1) 8M x 64 (1) 1M x 64 208MB (1) 16M x 64 (1) 8M x 64 (1) 2M x 64 224MB (1) 16M x 64 (1) 8M x 64 (1) 4M 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 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) 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. CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium II CPU. 128KB cache is located on the Celeron 300A & 333 CPU. CPU SPEED SELECTION (CELERON) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 266MHz 66MHz 4x On Off Off On 300MHz 66MHz 4.5x On Off Off On 333MHz 66MHz 5x On Off Off On 366MHz 66MHz 5.5x On Off Off On 400MHz 66MHz 6x On Off Off On 433MHz 66MHz 6.5x On Off Off On CPU SPEED SELECTION (CELERON, CON'T) CPU Clock Multiplier SW2/1 SW2/2 SW2/3 SW2/4 speed speed 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 400MHz 66MHz 6x On On On Off 433MHz 66MHz 6.5x Off On On Off CPU SPEED SELECTION (PENTIUM II) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 266MHz 66MHz 4x On Off Off On 300MHz 66MHz 4.5x On Off Off On 333MHz 66MHz 5x On Off Off On 366MHz 66MHz 5.5x On Off Off On 400MHz 66MHz 6x On Off Off On 433MHz 66MHz 6.5x On Off Off On 350MHz 100MHz 3.5x Off Off Off Off 400MHz 100MHz 4x Off Off Off Off 450MHz 100MHz 4.5x Off Off Off Off 500MHz 100MHz 5x Off Off Off Off 550MHz 100MHz 5.5x Off Off Off Off 600MHz 100MHz 6x Off Off Off Off 650MHz 100MHz 6.5x Off Off Off Off CPU SPEED SELECTION (PENTIUM II, CON'T) CPU Clock Multiplier SW2/1 SW2/2 SW2/3 SW2/4 speed speed 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 400MHz 66MHz 6x On On On Off 433MHz 66MHz 6.5x Off On On Off 350MHz 100MHz 3.5x Off Off On On 400MHz 100MHz 4x On On Off On 450MHz 100MHz 4.5x Off On Off On 500MHz 100MHz 5x On Off Off On 550MHz 100MHz 5.5x Off Off Off On 600MHz 100MHz 6x On On On Off 650MHz 100MHz 6.5x Off On On Off ON BOARD SOUND SELECTION Setting JP17 JP18 JP19 Enabled Pins 1 & 2 Pins 1 & 2 Pins 1 & 2, 3 & closed closed 4 closed Disabled Pins 2 & 3 Pins 2 & 3 Open closed closed