U15002-C390 Motherboard Settings and Configuration
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. |
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