SIEMENS NIXDORF INFORMATIONSSYTEME AG
U15002-C390
Processor |
80486SX/80487SX/80486DX/80486DX2 |
Processor Speed |
25/33/50(internal)/66(internal)MHz |
Chip Set |
Unidentified |
Video Chip Set |
None |
Maximum Onboard Memory |
32MB |
Maximum Video Memory |
None |
Cache |
64/128/256KB |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), feature connector, VGA port, riser slot |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse port |
CN1 |
Floppy drive interface |
CN7 |
Serial port 1 |
CN2 |
IDE interface |
CN8 |
Serial port 2 |
CN3 |
Speaker |
CN9 |
Parallel port |
CN4 |
Front panel connector |
CN10 |
VGA port |
CN5 |
Riser slot |
SL1 |
Feature connector |
CN6 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Battery type select internal |
JP8 |
Pins 1 & 2 closed |
Battery type select external |
JP8 |
Pins 2 & 3 closed | |
» |
Monitor type select color |
JP10 |
Open |
|
Monitor type select monochrome |
JP10 |
Closed |
» |
PS/2 mouse IRQ12 enabled |
JP11 |
Closed |
PS/2 mouse IRQ12 disabled |
JP11 |
Open | |
» |
On board video enabled |
JP25 |
Pins 1 & 2 closed |
On board video disabled |
JP25 |
Pins 2 & 3 closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
4MB |
(4) 1M x 9 |
None |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
None |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
CACHE CONFIGURATION | |||||
Size |
Bank 0 |
Bank 1 |
U48 |
U49 |
U50 |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
None |
(1) 16K x 4 |
128KB |
(4) 32K x 8 |
None |
(1) 8K x 8 |
None |
(1) 16K x 4 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
(1) 16K x 4 |
Note: The location of banks 0 & 1 are unidentified. |
CACHE JUMPER CONFIGURATION | ||||||
Size |
JP12 |
JP13 |
JP14 |
JP15 |
JP16 |
JP17 |
None |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
Open |
64KB |
2 & 3 |
2 & 3 |
Open |
Open |
Open |
Open |
128KB |
1 & 2 |
1 & 2 |
Closed |
Open |
Open |
Closed |
256KB |
2 & 3 |
2 & 3 |
Closed |
Closed |
Closed |
Closed |
Note: Pins designated should be in the closed position. |
CPU SPEED SELECTION | ||
Speed |
JP5 |
JP6 |
25MHz |
Closed |
Open |
33MHz |
Open |
Closed |
50iMHz |
Closed |
Open |
66iMHz |
Open |
Closed |
CPU TYPE SELECTION | |||
Type |
JP1 |
JP2 |
JP3 |
80486SX |
Open |
Pins 1 & 2 closed |
Open |
80487SX |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
80486DX |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
80486DX2 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
MISCELLANEOUS TECHNICAL NOTE |
Note: The location of pin 1 is unidentified. |