SIEMENS NIXDORF SYSTEM BOARD D1081 Device Type Mainboard Processor Pentium II/Celeron Processor Speed 233/266/300/333MHz Chip Set Unidentified Video Chip Set ATI Maximum Onboard Memory 256MB (SDRAM supported) Maximum Video Memory 2MB Cache 0/128/256/512KB (located on the CPU) BIOS Unidentified Dimensions 254mm x 218mm I/O Options 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, USB connectors (2), ATX power connector [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX PS/2 mouse port CN5 Chassis fan power C1 Serial port 1 CN6 Front panel connector C2 Floppy drive CN7 interface CPU fan power C3 IDE interface 1 CN8 VGA port CN1 IDE interface 2 CN9 USB connector 1 CN2 Serial port 2 CN10 USB connector 2 CN3 32-bit PCI slots PC1 – PC3 Parallel port CN4 USER CONFIGURABLE SETTINGS Function Label Position Floppy drive write protect FWP Open disabled Floppy drive write protect FWP Closed enabled » Flash BIOS normal operation RCV Open Flash BIOS recovery mode RCV Closed » Factory configured - do not alter SKP Open DIMM CONFIGURATION Size Bank 0 Bank 1 16MB (1) 2M x 64 None 16MB (1) 1M x 64 (1) 1M x 64 24MB (1) 2M x 64 (1) 1M x 64 32MB (1) 4M x 64 None 32MB (1) 2M x 64 (1) 2M x 64 40MB (1) 4M x 64 (1) 1M x 64 48MB (1) 4M x 64 (1) 2M x 64 64MB (1) 8M x 64 None 64MB (1) 4M x 64 (1) 4M x 64 72MB (1) 8M x 64 (1) 1M x 64 80MB (1) 8M x 64 (1) 2M x 64 96MB (1) 8M x 64 (1) 4M x 64 128MB (1) 16M x 64 None 128MB (1) 8M x 64 (1) 8M x 64 136MB (1) 16M x 64 (1) 1M x 64 DIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 144MB (1) 16M x 64 (1) 2M x 64 160MB (1) 16M x 64 (1) 4M x 64 192MB (1) 16M x 64 (1) 8M x 64 256MB (1) 16M x 64 (1) 16M x 64 Note: Board accepts 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. VIDEO CONFIGURATION Note: 2MB of video memory is factory installed and is not configurable. The location is unidentified. CPU SPEED SELECTION CPU Clock Multiplier CF1 CF2 CF3 CF4 speed speed 233MHz 66MHz 3.5x Open Closed Open Open 266MHz 66MHz 4x Open Open Closed Closed 300MHz 66MHz 4.5x Open Open Closed Open 333MHz 66MHz 5x Open Open Open Closed