TEKRAM TECHNOLOGY CO., LTD. P6B40D-A5 Device Type Mainboard Processor Pentium II/Celeron Processor Speed 233/266/300/333/350/366/400/450/500/550MHz Chip Set Intel 440BX Maximum Onboard 1GB (EDO & SDRAM supported) Memory Cache 0/128/256/512KB (located on the CPU) BIOS Award Dimensions 305mm x 242mm 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 Turbo LED J11/pins 3 & 5 ATX power ATX Green PC J11/pins 7 & 9 connector connector Parallel port CN1 Speaker J11/pins 14/16/18/20 Serial port 2 CN2 Reset switch J11/pins 17 & 19 Serial port 1 CN3 Wake on LAN J12 connector USB connector CN4 IDE interface JP2 1 LED USB connector CN5 IR connector JP4 2 PS/2 mouse CN6 Soft off power JP9 port supply Floppy drive CN7 Temperature JP10 interface sensor IDE interface CN8 Temperature JP10A 2 sensor IDE interface CN9 Chassis fan JP18 1 power Chassis fan J7 Chassis JP20 power intrusion Chassis fan J7A 32-bit PCI PC1 - PC5 power slots Power LED & J11/pins keylock 2/4/6/8/10 USER CONFIGURABLE SETTINGS Function Label Position Power state function enabled JP19 Closed Power state function disabled JP19 Open 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 64 None None None 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 64 (1) 1M x 64 None None 144MB (1) 16M x 64 (1) 2M x 64 None None 176MB (1) 16M x 64 (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 192MB (1) 16M x 64 (1) 8M x 64 None None 192MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 None 256MB (1) 32M x 64 None None None 256MB (1) 16M x 64 (1) 16M x 64 None None 256MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 272MB (1) 16M x 64 (1) 16M x 64 (1) 1M x 64 (1) 1M x 64 280MB (1) 32M x 64 (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 288MB (1) 16M x 64 (1) 16M x 64 (1) 2M x 64 (1) 2M x 64 320MB (1) 16M x 64 (1) 16M x 64 (1) 4M x 64 (1) 4M x 64 384MB (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 None 448MB (1) 32M x 64 (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 512MB (1) 32M x 64 (1) 32M x 64 None None 512MB (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 640MB (1) 32M x 64 (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 768MB (1) 32M x 64 (1) 32M x 64 (1) 32M x 64 None 1024MB (1) 32M x 64 (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 CPU speed Clock speed Multiplier JP5 JP21 233MHz 66MHz 3.5x 1 & 2, 7 Closed & 8 266MHz 66MHz 4x 1 & 2, 3 Closed & 4, 5 & 6 300MHz 66MHz 4.5x 1 & 2, 5 Closed & 6 333MHz 66MHz 5x 1 & 2, 3 Closed & 4 366MHz 66MHz 5.5x 1 & 2 Closed 350MHz 100MHz 3.5x 1 & 2, 7 Open & 8 400MHz 100MHz 4x 1 & 2, 3 Open & 4, 5 & 6 450MHz 100MHz 4.5x 1 & 2, 5 Open & 6 500MHz 100MHz 5x 1 & 2, 3 Open & 4 550MHz 100MHz 5.5x 1 & 2 Open Note: Pins designated should be in the closed position.