STB SYSTEMS, INC.
EGA MULTI RES W/PARALLEL PORT
Card Type | Multi-I/O card |
Chip Set | Unidentified |
Maximum Onboard Memory | 256KB |
I/O Options | EGA video port, feature connector, light pen, parallel port |
Data Bus | 8-bit ISA |

CONNECTIONS | |||
Function | Label | Function | Label |
9-pin digital video connector | CN1 | Light pen connector | CN4 |
Parallel port | CN2 | Feature connector | CN5 |
Battery connector | CN3 | Clock generator socket | U8 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | EGA monitor connected to Multi Res adapter | J4 | Pins 1 & 2 closed |
CGA/Monochrome monitor connected to Multi Res adapter | J4 | Pins 2 & 3 closed | |
| » | Feature connector disabled | W1 | Pins 1 & 2 closed |
Feature connector enabled | W1 | Pins 3 & 4 closed | |
| » | CGA/Hercules emulation enabled | SW1/7 | Off |
CGA/Hercules emulation disabled | SW1/7 | On | |
| » | EGA fonts enabled (8x8, 8x14) | SW1/8 | On |
VGA fonts enabled (9x16) | SW1/8 | Off | |
DISPLAY CONFIGURATION | ||||||
Display | Mode | SW1/1 | SW1/2 | SW1/3 | SW1/4 | |
Monochrome | Monochrome | Off | Off | On | Off | |
CGA | 40x25 | On | Off | Off | On | |
CGA | 80x25 | Off | Off | Off | On | |
EGA | 8x8 text | On | On | On | Off | |
| » | EGA | 8x14 text | Off | On | On | Off |
Note: These settings are for systems where the EGA Multi Res is the sole adapter in the system. | ||||||
DISPLAY CONFIGURATION | |||||
Primary Display/Mode | Secondary Display/Mode | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
CGA/40x80 | Monochrome/Monochrome | On | Off | Off | On |
CGA/80x25 | Monochrome/Monochrome | Off | Off | Off | On |
EGA/8x8 text | Monochrome/Monochrome | On | On | On | Off |
EGA/8x14 text | Monochrome/Monochrome | Off | On | On | Off |
Note: These settings are for systems where the EGA Multi Res is the primary adapter in the system and a monochrome/printer card is the secondary adapter.. | |||||
DISPLAY CONFIGURATION | |||||
Primary Display/Mode | Secondary Display/Mode | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
Monochrome/Monochrome | CGA/40x25 | On | On | On | On |
Monochrome/Monochrome | CGA/80x25 | Off | On | On | On |
Monochrome/Monochrome | EGA/8x8 text | On | Off | On | On |
Monochrome/Monochrome | EGA/8x14 text | Off | Off | On | On |
Note: These settings are for systems where the EGA Multi Res is the secondary adapter in the system and a monochrome/printer card is the primary adapter.. | |||||
DISPLAY CONFIGURATION | |||||
Primary Display/Mode | Secondary Display/Mode | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
Monochrome/Monochrome | CGA/40x25 | On | Off | On | Off |
Monochrome/Monochrome | CGA/80x25 | Off | Off | On | Off |
Note: These settings are for systems where the EGA Multi Res is the primary adapter in the system and a CGA card is the secondary adapter. | |||||
DISPLAY CONFIGURATION | |||||
Primary Display/Mode | Secondary Display/Mode | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
CGA/40x25 | Monochrome/Monochrome | On | On | Off | On |
CGA/80x25 | Monochrome/Monochrome | Off | On | Off | On |
Note: These settings are for systems where the EGA Multi Res is the secondary adapter in the system and a CGA card is the primary adapter. | |||||
VIDEO OUTPUT SELECTION | ||||
Rate | Type | SW1/5 | SW1/6 | |
| » | Mutli-synch | EGA, RGB | On | On |
N/A | Monochrome | On | Off | |
25KHz (normal) | 400-line | Off | On | |
25KHz (inverted) | AT&T 318H | Off | Off | |
PARALLEL PORT ADDRESS SELECTION | |||
Setting | SW1/9 | SW1/10 | |
278h | Off | On | |
378h | On | Off | |
| » | 3BCh | On | On |
Disabled | Off | Off | |