SIEMENS NIXDORF INFORMATIONSSYSTEME AG
SYSTEM BOARD D931
Processor |
Pentium Pro |
Processor Speed |
150/166/180/200MHz |
Chip Set |
Unidentified |
Video Chip Set |
None |
Maximum Onboard Memory |
256MB |
Maximum Video Memory |
None |
Cache |
256KB (on Pentium Pro CPU) |
BIOS |
Phoenix |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), serial port TTL, riser slot, IR connectors (2), remote on connector, chipcard reader connector, soft off power supply connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse port |
CN1 |
IDE interface 2 |
CN11 |
Serial port 1 |
CN2 |
Speaker |
J1 |
Serial port 2 |
CN3 |
Front panel connector |
J2 |
Parallel port |
CN4 |
Front panel connector |
J3 |
Serial port 2 TTL |
CN5 |
On/off switch |
J4 |
Remote on connector |
CN6 |
Chassis fan power |
J5 |
Chipcard reader connector |
CN7 |
IR connector |
J6 |
Soft off power supply connector |
CN8 |
Front panel led/IR connector |
J7 |
Floppy drive interface |
CN9 |
Riser slot |
SL1 |
IDE interface 1 |
CN10 | ||
Note: If CN7 is used, no device may be connected to CN2. If CN5 is used, no device may be connected to CN3. |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Floppy drive write protect disabled |
FDP |
Open |
Floppy drive write protect enabled |
FDP |
Closed | |
» |
BIOS write protect disabled |
FLP |
Open |
BIOS write protect enabled |
FLP |
Closed | |
» |
BIOS started from the system module |
RCV |
Open |
BIOS started from floppy and restores BIOS |
RCV |
Closed | |
» |
Factory configured - do not alter |
SKP |
Unidentified |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 36 |
None |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
32MB |
(2) 4M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
DRAM CONFIGURATION (CON’T) | ||
Size |
Bank 0 |
Bank 1 |
128MB |
(2) 16M x 36 |
None |
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
CACHE CONFIGURATION |
Note: 256KB cache is located on the Pentium Pro CPU. |
CPU SPEED SELECTION | |||||||
Speed |
CF0 |
CF1 |
CF2 |
CF3 |
F0 |
F1 |
F2 |
150MHz |
Closed |
Closed |
Closed |
Open |
Open |
Open |
Open |
166MHz |
Closed |
Closed |
Closed |
Open |
Closed |
Open |
Open |
180MHz |
Closed |
Closed |
Open |
Closed |
Open |
Open |
Open |
200MHz |
Closed |
Closed |
Open |
Closed |
Closed |
Open |
Open |