SIEMENS-NIXDORF INFORMATIONSSYSTEME AG SYSTEM BOARD D981 Device Type Mainboard Processor Pentium II Processor Speed 233/266/300/333/366MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Memory 512MB (EDO & SDRAM supported) Maximum Video Memory None Cache 512KB (located on Pentium II CPU) BIOS Unidentified Dimensions 305mm x 244mm I/O Options 32-bit PCI slots (4), floppy drive interface, game/MIDI port, green PC connector, IDE interfaces (2), Ultra Wide SCSI interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (3), ATX power connector, AGP slot, line in, line out, microphone in, audio in – CD-ROM NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location AGP slot AGP Soft off power C18 supply ATX power connector ATX Intrusion connector C19 Auxiliary in C1 Game/MIDI port CN1 Audio in – CD-ROM C2 Microphone in CN2 Voice modem connector C3 Line in CN3 Device ID & C4 Line out CN4 temperature USB connector - C5 Parallel port CN5 internal Chassis fan power C6 Serial port 1 CN6 Power supply monitor C7 Serial port 2 CN7 Chip card reader C8 USB connector 1 - CN8 external CPU fan power C9 USB connector 2 - CN9 external Wake on LAN connector C10 PS/2 mouse port CN10 SCSI interface LED C11 Ultra Wide SCSI CN11 interface Control panel 1 C12 Floppy drive CN12 interface I2C connector C13 Ultra Wide SCSI CN13 interface Control panel 2 C14 IDE interface 1 CN14 Speaker C15 IDE interface 2 CN15 IR connector C16 32-bit PCI slots PC1 – PC4 Wake on modem C17 connector USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not SW1/1 Off alter » Flash BIOS normal operation SW1/2 Off Flash BIOS recovery mode SW1/2 On » Floppy drive write protect SW1/3 Off disabled Floppy drive write protect SW1/3 On enabled » Factory configured - do not SW1/4 Unidentified alter 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 DIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 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 152MB (1) 16M x 64 (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 160MB (1) 16M x 64 (1) 4M 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 224MB (1) 16M x 64 (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 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 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 320MB (1) 16M x 64 (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 384MB (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 None 512MB (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 Note: Board accepts EDO & SDRAM memory. CACHE CONFIGURATION Note: 512KB cache is located on the Pentium II CPU. CPU SPEED SELECTION CPU Clock Multiplier SW1/5 SW1/6 SW1/7 SW1/8 speed speed 233MHz 66MHz 3.5x On On Off Off 266MHz 66MHz 4x On Off On On 300MHz 66MHz 4.5x On Off On Off 333MHz 66MHz 5x On Off Off On 366MHz 66MHz 5.5x On Off Off Off