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# DIGITAL EQUIPMENT CORPORATION
P3100CE
Processor 8088
Processor Speed 4.77/10MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard 768KB
Memory
Maximum Video None
Memory
Cache None
BIOS Unidentified
Dimensions 240mm x 185mm
I/O Options Floppy drive interface, IDE interface,
parallel port, serial ports (2)
NPU Options 8087
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| Parallel port | J7 | IDE interface | P2 |
|----------------------+----------+---------------+----------|
| Serial port 1 | J8 | Serial port 2 | P5 |
|----------------------+----------+---------------+----------|
| Floppy drive | P1 | | |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | P1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | 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 | W2 | Closed |
| | drive disabled | | |
|---+---------------------------------+-------+--------------|
| | Support for non standard floppy | W2 | Open |
| | drive enabled | | |
|---+---------------------------------+-------+--------------|
| » | Floppy drive signal operation | W6 | Closed |
| | enabled | | |
|---+---------------------------------+-------+--------------|
| | Floppy drive signal operation | W6 | Open |
| | disabled | | |
|---+---------------------------------+-------+--------------|
| | Floppy drive motor type select | W7 | Closed |
| | dual speed spindle | | |
|---+---------------------------------+-------+--------------|
| | Floppy drive motor type select | W7 | Open |
| | single speed spindle | | |
|---+---------------------------------+-------+--------------|
| » | Floppy drive pre-compensation | W8 | Open |
| | mode 125ns | | |
|---+---------------------------------+-------+--------------|
| | Floppy drive pre-compensation | W8 | Closed |
| | mode 187ns | | |
|---+---------------------------------+-------+--------------|
| » | Direction controlled by the | W13 | Open |
| | connected device via SLCT-N | | |
| | line | | |
|---+---------------------------------+-------+--------------|
| | Direction controlled internally | W13 | Closed |
|---+---------------------------------+-------+--------------|
| » | Parallel port bidirectional | W14 | Open |
| | disabled | | |
|---+---------------------------------+-------+--------------|
| | Parallel port bidirectional | W14 | Closed |
| | enabled | | |
|---+---------------------------------+-------+--------------|
| » | 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 | Open | N/A |
| W16 setting | | |
+------------------------------------------------------------+