SUPER MICRO S2DGR Device Type Mainboard Processor Pentium II Processor Speed 400/450MHz Chip Set Intel 440GX Maximum Onboard Memory 2GB (SDRAM supported) Cache 1024KB (located on Pentium II CPU) BIOS AMI Dimensions 355mm x 304mm I/O Options 32-bit PCI slots (5), floppy drive interface, IDE interfaces (2), SCSI interface, Ultra SCSI interface, Ultra Wide SCSI interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, RAID slot, wake on LAN connector, SB-link connector [Image] CONNECTIONS Purpose Location Purpose Location AGP slot AGP Power LED & JF1/pins 5 – keylock 9 ATX power ATX Speaker JF1/pins 10 - connector 13 SB-link connector CN1 IR connector JF2/pins 1 – 8 IDE interface 2 J15 Soft off power JF2/pins 9 & supply 10 IDE interface 1 J16 Reset switch JF2/pins 12 & 13 USB connector 1 J17 Chassis intrusion JL1 connector USB connector 2 J18 Overheat LED JOH1 Parallel port J19 Thermal input JTM connector Serial port 1 J20 Chassis fan power JT1 Serial port 2 J21 Chassis fan power JT1A Floppy drive J22 Chassis fan power JT2 interface PS/2 mouse port J34 Chassis fan power JT2A 5v auxiliary power J36 Chassis fan power JT3 Ultra Wide SCSI JA1 Chassis fan power JT3A interface Ultra Wide SCSI JA2 32-bit PCI slots PC1 – PC4 interface Ultra SCSI JA3 RAID slot SL1 interface External battery JBT2 SCSI interface LED SLED IDE interface LED JF1/pins 1 – Wake on LAN WOL 4 connector USER CONFIGURABLE SETTINGS Function Label Position Overheat buzzer disabled BZON Open Overheat buzzer enabled BZON Closed » Factory configured - do not JA7 Unidentified alter » CMOS memory normal operation JBT1 Pins 1 & 2 closed CMOS memory clear JBT1 Pins 2 & 3 closed » Factory configured - do not JL2 Unidentified alter » Factory configured - do not JP12 Unidentified alter » Factory configured - do not JP13 Unidentified alter » Factory configured - do not JP16 Unidentified alter » Factory configured - do not JP18 Unidentified alter » BIOS CTL PD state JP20 Pins 2 & 3 closed PIIX CTL PD state JP20 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 64 None None None 128MB (1) 8M x 64 (1) 8M x 64 None None 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 DIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 448MB (1) 32M x 64 (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 512MB (1) 64M x 64 None None None 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) 64M x 64 (1) 64M x 64 None None 1024MB (1) 32M x 64 (1) 32M x 64 (1) 32M x 64 (1) 32M x 64 1536MB (1) 64M x 64 (1) 64M x 64 (1) 64M x 64 None 2048MB (1) 64M x 64 (1) 64M x 64 (1) 64M x 64 (1) 64M x 64 Note: Board accepts SDRAM memory. CACHE CONFIGURATION Note: 1024KB cache is located on the Pentium II CPU. CPU SPEED SELECTION CPU Clock Multiplier JB1 JB2 JB3 JB4 JP11 speed speed 400MHz 100MHz 4x Closed Closed Open Closed Open 450MHz 100MHz 4.5x Open Closed Open Closed Open Note: Pins designated should be in the closed position. SCSI TERMINATION SELECTION Setting JA5 JA6 » Enabled Closed Closed Disabled Open Open Note: JA5 is for JA1 & JA3. JA6 is for JA2.