P3100CE Motherboard Settings and Configuration
DIGITAL EQUIPMENT CORPORATION
P3100CE
Processor | 8088 |
Processor Speed | 4.77/10MHz |
Chip Set | Unidentified |
Video Chip Set | None |
Maximum Onboard Memory | 768KB |
Maximum Video Memory | None |
Cache | None |
BIOS | Unidentified |
Dimensions | 240mm x 185mm |
I/O Options | Floppy drive interface, IDE interface, parallel port, serial ports (2) |
NPU Options | 8087 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Parallel port | J7 | IDE interface | P2 |
Serial port 1 | J8 | Serial port 2 | P5 |
Floppy drive interface | P1 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Factory configured - do not alter | P1 | Unidentified |
NPU not installed | SW1/1 | On | |
NPU installed | SW1/1 | Off | |
One floppy drive installed | SW1/2 | On | |
Two floppy drives installed | SW1/2 | Off | |
Parity chips installed | SW1/3 | On | |
Parity chips not installed | SW1/3 | Off | |
Monitor type select monochrome | SW1/4 | On | |
Monitor type select color | SW1/4 | Off | |
Parallel port enabled | SW1/5 | Off | |
Parallel port disabled | SW1/5 | On | |
Serial port 2 enabled | SW1/6 | Off | |
Serial port 2 disabled | SW1/6 | On | |
Serial port 1 enabled | SW1/7 | Off | |
Serial port 1 disabled | SW1/7 | On | |
IDE interface enabled | SW1/8 | Off | |
IDE interface disabled | SW1/8 | On | |
» | Support for non standard floppy drive disabled | W2 | Closed |
Support for non standard floppy drive enabled | W2 | Open | |
» | Floppy drive signal operation enabled | W6 | Closed |
Floppy drive signal operation disabled | W6 | Open | |
Floppy drive motor type select dual speed spindle | W7 | Closed | |
Floppy drive motor type select single speed spindle | W7 | Open | |
» | Floppy drive pre-compensation mode 125ns | W8 | Open |
Floppy drive pre-compensation mode 187ns | W8 | Closed | |
» | Direction controlled by the connected device via SLCT-N line | W13 | Open |
Direction controlled internally | W13 | Closed | |
» | Parallel port bidirectional disabled | W14 | Open |
Parallel port bidirectional enabled | W14 | Closed | |
» | Test mode enabled | W17 | Open |
Test mode disabled | W17 | Closed | |
Note: W13 is used only if W14 is closed. | |||
DRAM CONFIGURATION | |
Size | Bank 0 |
768KB | 768KB |
Note: The size of the memory chips is unidentified. | |
BIOS SELECTION | |||
Size | W9 | W10 | |
2764 | Open | Open | |
27128 | Open | Open | |
| » | 27256 | Open | Closed |
27512 | Closed | Closed | |
LOGIC GROUND SELECTION | ||
Setting | W3 | W16 |
Isolated from chassis ground | N/A | Open |
Connected with chassis ground | Closed | Pins 2 & 3 closed |
Connected to chassis through network | N/A | Pins 1 & 2 closed |
Chassis ground connected depends on W16 setting | Open | N/A |
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