DIGITAL EQUIPMENT CORPORATION
PC 386 CE (IPB1)
|
Processor |
80386SX |
|
Processor Speed |
16MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
4MB |
|
Maximum Video Memory |
None |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
External memory slots (2), floppy drive interface, SCSI interface, parallel port, serial ports (2) |
|
NPU Options |
80387 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Front panel connector |
P1 |
Serial port |
P8 |
|
Speaker |
P2 |
Serial port |
P9 |
|
Floppy drive interface |
P4 |
SCSI interface |
J19 |
|
External battery |
P6 |
External memory slots |
SL1 & SL2 |
|
Parallel port |
P7 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Factory configured - do not alter |
J1 |
Unidentified |
|
|
Factory configured - do not alter |
J2 |
Unidentified |
|
|
Factory configured - do not alter |
J3 |
Unidentified |
|
|
Speaker volume select normal volume |
W1 |
Open |
|
Speaker volume select low volume |
W1 |
Closed | |
|
|
SCSI clock speed select 8MHz |
W11 |
Pins 1 & 2 closed |
|
SCSI clock speed select 16MHz |
W11 |
Pins 2 & 3 closed | |
|
|
Floppy drive pre-compensation mode 125ns |
W13 |
Open |
|
Floppy drive pre-compensation mode 187ns |
W13 |
Closed | |
|
|
Logic ground is connected to chassis ground |
W20 |
Closed |
|
Logic ground is not connected to chassis ground |
W20 |
Open | |
|
|
Parallel port IRQ select IRQ5 |
W21 |
Pins 1 & 2 closed |
|
Parallel port IRQ select IRQ7 |
W21 |
Pins 2 & 3 closed | |
|
Normal mode enabled |
SW1/1 |
Off | |
|
Manufacturing mode enabled |
SW1/1 |
On | |
|
PC mode enabled |
SW1/2 |
Off | |
|
Terminal server mode enabled |
SW1/2 |
On | |
|
Video speed select slow |
SW2/1 |
Off | |
|
Video speed select fast |
SW2/1 |
On | |
|
Monitor type select color |
SW2/2 |
On | |
|
Monitor type select monochrome |
SW2/2 |
Off | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
1MB |
None |
None |
None |
|
2MB |
1MB |
(1) 1M x 9 |
None |
None |
|
3MB |
1MB |
(1) 1M x 9 |
(1) 1M x 9 |
None |
|
4MB |
1MB |
(1) 1M x 9 |
(1) 1M x 9 |
(1) 1M x 9 |
|
Note: Bank 0 is factory installed and is not configurable. | ||||
|
DRAM JUMPER CONFIGURATION | ||
|
Size |
W2 |
W3 |
|
1MB |
Open |
Open |
|
2MB |
Closed |
Open |
|
3MB |
Open |
Closed |
|
4MB |
Closed |
Closed |
|
FLOPPY DRIVE SELECTION | ||||
|
Setting |
W4 |
W6 |
W7 | |
|
Enabled |
Closed |
Closed |
Closed | |
|
Disabled |
Open |
Open |
Open | |
|
FLOPPY DRIVE MOTOR SPEED SELECTION | |||
|
Speed |
W10 |
W12 | |
|
Single |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
Dual |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
SCSI INTERRUPT SELECTION | |||
|
IRQ |
W14 |
W15 |
W16 |
|
IRQ10 |
Open |
Open |
Closed |
|
IRQ12 |
Open |
Closed |
Open |
|
IRQ14 |
Closed |
Open |
Open |