SIEMENS NIXDORF INFORMATIONSSYSTEME AG
SYSTEM BOARD D823
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 75/90/100/120/133/150/166/180/200MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 256MB  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 256KB  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), soft off power switch, soft off power supply  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 PS/2 mouse port  | 
 CN1  | 
 32-bit PCI slots  | 
 PC1 - PC3  | 
| 
 Serial port 2  | 
 CN2  | 
 Front panel connector  | 
 X805  | 
| 
 Serial port 1  | 
 CN3  | 
 Chassis fan power  | 
 X806  | 
| 
 Parallel port  | 
 CN4  | 
 Speaker  | 
 X809  | 
| 
 IDE interface 2  | 
 CN5  | 
 Soft off power switch  | 
 X810  | 
| 
 IDE interface 1  | 
 CN6  | 
 Soft off power supply  | 
 X811  | 
| 
 Floppy drive interface  | 
 CN7  | 
 SCSI LED  | 
 X812  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Flash BIOS normal operation  | 
 SW1/1  | 
 Off  | 
| 
 Flash BIOS recovery mode  | 
 SW1/1  | 
 On  | |
| 
 »  | 
 Password normal operation  | 
 SW1/2  | 
 Off  | 
| 
 Password clear  | 
 SW1/2  | 
 On  | |
| 
 »  | 
 Port 0C91H bit 2 set to 1  | 
 SW1/3  | 
 Off  | 
| 
 Port 0C91H bit 2 set to 0  | 
 SW1/3  | 
 On  | |
| 
 »  | 
 Port 0C91H bit 3 set to 1  | 
 SW1/4  | 
 Off  | 
| 
 Port 0C91H bit 3 set to 0  | 
 SW1/4  | 
 On  | |
| 
 »  | 
 Flash BIOS write protect disabled  | 
 SW1/5  | 
 Off  | 
| 
 Flash BIOS write protect enabled  | 
 SW1/5  | 
 On  | |
| 
 »  | 
 Floppy drive write protect disabled  | 
 SW1/6  | 
 Off  | 
| 
 Floppy drive write protect enabled  | 
 SW1/6  | 
 On  | |
| 
 »  | 
 Factory configured - do not alter  | 
 SW1/7  | 
 Off  | 
| 
 »  | 
 System normal operation  | 
 SW1/8  | 
 Off  | 
| 
 System runs POST tests  | 
 SW1/8  | 
 On  | |
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 None  | 
 None  | 
| 
 24MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
 None  | 
 None  | 
| 
 24MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 None  | 
| 
 24MB  | 
 (2) 1M x 36  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 None  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
| 
 32MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
 None  | 
 None  | 
| 
 40MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 40MB  | 
 (2) 1M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 None  | 
| 
 40MB  | 
 (2) 1M x 36  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
| 
 DRAM CONFIGURATION (CON’T)  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 48MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 None  | 
| 
 48MB  | 
 (2) 4M x 36  | 
 (2) 2M x 36  | 
 None  | 
 None  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 None  | 
| 
 56MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 56MB  | 
 (2) 1M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 None  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 None  | 
 None  | 
| 
 64MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 72MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
 None  | 
 None  | 
| 
 72MB  | 
 (2) 1M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 None  | 
| 
 72MB  | 
 (2) 1M x 36  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 None  | 
| 
 80MB  | 
 (2) 4M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 80MB  | 
 (2) 2M x 36  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
| 
 88MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 96MB  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 None  | 
| 
 96MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 None  | 
| 
 96MB  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
| 
 104MB  | 
 (2) 1M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 112MB  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 None  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 None  | 
 None  | 
| 
 136MB  | 
 (2) 1M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 None  | 
| 
 144MB  | 
 (2) 2M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 None  | 
| 
 160MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 160MB  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 None  | 
| 
 192MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 None  | 
| 
 200MB  | 
 (2) 1M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 208MB  | 
 (2) 2M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 224MB  | 
 (2) 4M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 256MB  | 
 (2) 32M x 36  | 
 None  | 
 None  | 
 None  | 
| 
 256MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 Note: Banks are interchangeable.  | ||||
| 
 CACHE CONFIGURATION  | 
| 
 Note: 256KB cache is factory installed and is not configurable. The location is unidentified.  |