PC 386SX CE (P3348) Motherboard Settings and Configuration
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 |
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