SIEMENS NIXDORF SYSTEM BOARD D887 Device Type Mainboard Processor Pentium Pro Processor Speed 166/200MHz Chip Set Intel 450GX Video Chip Set Cirrus Logic Maximum Onboard Memory 2GB Maximum Video Memory 1MB Cache 256/512KB (located on Pentium Pro CPU) BIOS Unidentified Dimensions 355mm x 304mm I/O Options (backplane) 32-bit PCI slots (6), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, ATX power connector, CPU slots (2) [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX Serial port CN3 On/off swithc C1 Parallel port CN4 Chassis fan power C2 Can bus interface CN5 Remote power on C3 VGA port CN6 Chassis fan power C4 IDE interface CN7 Temperature sensor C5 Floppy drive CN8 interface Signal/auxiliary voltage C6 32-bit PCI slots PC1 – PC6 Can bus connector C7 CPU slot 1 SL1 PS/2 mouse port CN1 CPU slot 2 SL2 Serial port CN2 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J1 Unidentified alter » Factory configured - do not J2 Unidentified alter » Factory configured - do not J3 Unidentified alter » Factory configured - do not J4 Unidentified alter » Factory configured - do not J5 Unidentified alter » BIOS normal operation SW1/1 Off BIOS recovery mode SW1/1 On » Factory configured - do not SW1/2 Off alter » Factory configured - do not SW1/3 Unidentified alter » Factory configured - do not SW1/4 Unidentified alter » BIOS write protect disabled SW1/5 Off BIOS write protect enabled SW1/5 On » Floppy drive write protect SW1/6 Off disabled Floppy drive enabled SW1/6 On » Factory configured - do not SW1/7 Off alter » Factory configured - do not SW1/8 Unidentified alter DIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 32MB (4) 1M x 64 None None None 64MB (4) 1M x 64 (4) 1M x 64 None None 64MB (4) 2M x 64 None None None 96MB (4) 1M x 64 (4) 1M x 64 (4) 1M x 64 None 128MB (4) 1M x 64 (4) 1M x 64 (4) 1M x 64 (4) 1M x 64 128MB (4) 2M x 64 (4) 2M x 64 None None 128MB (4) 4M x 64 None None None 192MB (4) 2M x 64 (4) 2M x 64 (4) 2M x 64 None 256MB (4) 2M x 64 (4) 2M x 64 (4) 2M x 64 (4) 2M x 64 256MB (4) 4M x 64 (4) 4M x 64 None None 256MB (4) 8M x 64 None None None 384MB (4) 4M x 64 (4) 4M x 64 (4) 4M x 64 None 512MB (4) 4M x 64 (4) 4M x 64 (4) 4M x 64 (4) 4M x 64 512MB (4) 8M x 64 (4) 8M x 64 None None 512MB (4) 16M x 64 None None None 768MB (4) 8M x 64 (4) 8M x 64 (4) 8M x 64 None 1024MB (4) 8M x 64 (4) 8M x 64 (4) 8M x 64 (4) 8M x 64 1024MB (4) 16M x 64 (4) 16M x 64 None None 1568MB (4) 16M x 64 (4) 16M x 64 (4) 16M x 64 None 2048MB (4) 16M x 64 (4) 16M x 64 (4) 16M x 64 (4) 16M x 64 CACHE CONFIGURATION Note: 256KB/512KB cache is located on the Pentium Pro CPU. VIDEO MEMORY CONFIGURATION Note: The location of the video memory is unidentified. CPU SPEED SELECTION CPU speed Clock speed Multiplier X100 166MHz 66MHz 2.5x Pins 1 & 2 closed 200MHz 66MHz 3x Pins 1 & 2 closed [Image] CONNECTIONS Purpose Location Purpose Location Converter module for C1 Converter module for C3 CPU 1 CPU 0 Temperature sensor C2 Temperature sensor C4 for CPU 1 for CPU 0 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J1 Unidentified alter CPU SPEED SELECTION CPU Clock Multiplier J2/ J2/ J2/ J2/ speed speed pins 1 pins 3 pins 5 pins 7 & 2 & 4 & 6 & 8 166MHz 66MHz 2.5x Closed Closed Open Open 200MHz 66MHz 3x Closed Closed Closed Closed CPU SPEED SELECTION (CON’T) CPU Clock Multiplier J2/pins J2/pins J2/pins J2/pins speed speed 9 & 10 11 & 12 13 & 14 15 & 16 166MHz 66MHz 2.5x Closed Closed Open Open 200MHz 66MHz 3x Closed Closed Closed Closed [Image] CONNECTIONS Purpose Location Purpose Location Temperature sensor C1 Temperature sensor C3 for CPU 2 for CPU 3 Converter module for C2 Converter module for C4 CPU 2 CPU 3 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J2 Unidentified alter CPU SPEED SELECTION CPU Clock Multiplier J1/ J1/ J1/ J1/ speed speed pins 1 pins 3 pins 5 pins 7 & 2 & 4 & 6 & 8 166MHz 66MHz 2.5x Closed Closed Open Open 200MHz 66MHz 3x Closed Closed Closed Closed CPU SPEED SELECTION (CON’T) CPU Clock Multiplier J1/pins J1/pins J1/pins J1/pins speed speed 9 & 10 11 & 12 13 & 14 15 & 16 166MHz 66MHz 2.5x Closed Closed Open Open 200MHz 66MHz 3x Closed Closed Closed Closed