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

CONNECTIONS | |||
Function | Label | Function | Label |
Battery connector | J1 | Parallel port | P4 |
Light pen connector | J5 | Clock generator socket | U5 |
9-pin digital video connector | P3 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | EGA monitor connected to Multi Res adapter | J2 | Pins 1 & 2 closed |
CGA/Monochrome monitor connected to Multi Res adapter | J2 | Pins 2 & 3 closed | |
| » | Factory configured - do not alter | J4 | Pins 2 & 3 closed |
Note: Jumper J4 configures the adapter for all display types. Alternate settings are unidentified. | |||
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. | |||||
EGA MONITOR CONFIGURATION | |||
Setting | SW1/7 | SW1/8 | |
| » | Normal 25KHz monitors | Off | On |
Dyneer 140HI | Off | Off | |
PARALLEL PORT ADDRESS SELECTION | ||
Setting | SW1/5 | SW1/6 |
LPT1 | On | On |
LPT2 | On | Off |
LPT3 | Off | On |
Disabled | Off | Off |