DIGITAL EQUIPMENT CORPORATION
PC 386SX CE (P3348)
|
Processor |
80386SX |
|
Processor Speed |
20MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
8MB |
|
Maximum Video Memory |
Unidentified |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
Floppy drive interfaceIDE interface, parallel port, serial ports (2), VGA feature connector, VGA port, TTL video port, riser slot |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Floppy drive interface |
J2 |
VGA port |
J8 |
|
IDE interface |
J3 |
TTL video port |
J9 |
|
Parallel port |
J5 |
Front panel connector |
J20 |
|
Serial port 2 |
J6 |
VGA feature connector |
JY1 |
|
Serial port 1 |
J7 |
Riser slot |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Normal mode enabled |
SW1/1 |
Off |
|
Manufacturing mode enabled |
SW1/1 |
On | |
|
|
Normal mode enabled |
SW1/2 |
Off |
|
Burn in mode enabled |
SW1/2 |
On | |
|
Video speed select fast |
SW1/3 |
Off | |
|
Video speed select slow |
SW1/3 |
On | |
|
Monitor type select monochrome |
SW1/4 |
Off | |
|
Monitor type select color |
SW1/4 |
On | |
|
On board video enabled |
SW1/5 |
On | |
|
On board video disabled |
SW1/5 |
Off | |
|
Floppy drive interface enabled |
SW1/6 |
On | |
|
Floppy drive interface disabled |
SW1/6 |
Off | |
|
IDE interface enabled |
SW1/7 |
On | |
|
IDE interface disabled |
SW1/7 |
Off | |
|
|
Factory configured - do not alter |
SW1/8 |
Unidentified |
|
|
Factory configured - do not alter |
SW2/6 |
Unidentified |
|
|
Clock signal to NPU equals CPU |
W2 |
Pins 2 & 3 closed |
|
Clock signal to NPU does not equal CPU |
W2 |
Pins 1 & 2 closed | |
|
NPU synchronous with CPU |
W3 |
Closed | |
|
NPU asynchronous with CPU |
W3 |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(1) 256K x 36 |
None |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 1M x 36 |
None |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
|
VIDEO SELECTION (VGA CONTROLLER ONLY ADAPTER IN SYSTEM) | |||||
|
Monitor |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
|
On |
Off |
Off |
On |
Off |
Off |
|
ED 350 line |
Off |
On |
On |
Off |
Off |
|
ED 200 line |
On |
On |
On |
Off |
Off |
|
CD 80 x 25 |
Off |
Off |
Off |
On |
Off |
|
CD 40 x 25 |
On |
Off |
Off |
On |
Off |
|
Analog |
N/A |
N/A |
N/A |
N/A |
On |
|
VIDEO SELECTION (VGA CONTROLLER AS PRIMARY ADAPTER) | ||||||
|
Primary |
Secondary |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
|
Monochrome |
Color 80 x 25 or none |
Off |
Off |
On |
Off |
Off |
|
Monochrome |
Color 40 x 25 or none |
On |
Off |
On |
Off |
Off |
|
Enhanced 350 line |
Monochrome or none |
Off |
On |
On |
Off |
Off |
|
Enhanced 200 line |
Monochrome or none |
On |
On |
On |
Off |
Off |
|
Color 80 x 25 |
Monochrome or none |
Off |
Off |
Off |
On |
Off |
|
Color 40 x 25 |
Monochrome or none |
On |
Off |
Off |
On |
Off |
|
VIDEO SELECTION(VGA CONTROLLER AS SECONDARY ADAPTER) | ||||||
|
Primary |
Secondary |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
|
Color 80 x 25 |
Monochrome |
Off |
On |
Off |
On |
Off |
|
Color 40 x 25 |
Monochrome |
On |
On |
Off |
On |
Off |
|
Monochrome |
Enhanced 350 line |
Off |
Off |
On |
On |
Off |
|
Monochrome |
Enhanced 200 line |
On |
Off |
On |
On |
Off |
|
Monochrome |
Color 80 x 25 |
Off |
On |
On |
On |
Off |
|
Monochrome |
Color 40 x 25 |
On |
On |
On |
On |
Off |