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 |