GENOA SYSTEMS CORPORATION
SPECTRA EGA CARD MODEL 4800
Card Type | Video card |
Video Processor | Genoa |
Maximum Onboard Memory | 256KB DRAM |
I/O Options | Feature connector, light pen port, parallel port |
Data Bus | 8-bit ISA |
Video Types Supported | EGA |
Highest Resolution Supported | 640 x 350 |
CONNECTIONS | |||
Function | Label | Function | Label |
9-pin EGA port | CN1 | Unidentified | CN4 |
Light pen port | CN2 | Feature connector | CN5 |
Parallel port | CN3 |
PARALLEL PORT ADDRESS | ||
Setting | SW1/1 | SW1/2 |
LPT1: | On | On |
LPT2: | Off | On |
LPT3: | On | Off |
Disabled | Off | Off |
MONITOR TYPE (EGA PRIMARY) | |||||||
Primary | Secondary | JP1 | JP2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
CGA, lo-res | Monochrome | Pins 2 & 3 | Pins 2 & 3 | On | Off | Off | On |
CGA, hi-res | Monochrome | Pins 2 & 3 | Pins 2 & 3 | Off | Off | Off | On |
EGA, lo-res | Monochrome | Pins 1 & 2 | Pins 1 & 2 | On | On | On | Off |
EGA, hi-res | Monochrome | Pins 1 & 2 | Pins 1 & 2 | Off | On | On | Off |
Monochrome | CGA, lo-res | Pins 2 & 3 | Pins 2 & 3 | On | Off | On | Off |
Monochrome | CGA, hi-res | Pins 2 & 3 | Pins 2 & 3 | Off | Off | On | Off |
Note:Pins designated are in the closed position. |
MONITOR TYPE (EGA SECONDARY) | |||||||
Primary | Secondary | JP1 | JP2 | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
Monochrome | CGA, lo-res | Pins 2 & 3 | Pins 2 & 3 | On | On | On | On |
Monochrome | CGA, hi-res | Pins 2 & 3 | Pins 2 & 3 | Off | On | On | On |
Monochrome | EGA, lo-res | Pins 1 & 2 | Pins 1 & 2 | On | Off | On | On |
Monochrome | EGA, hi-res | Pins 1 & 2 | Pins 1 & 2 | Off | Off | On | On |
CGA, lo-res | Monochrome | Pins 2 & 3 | Pins 2 & 3 | On | On | Off | On |
CGA, hi-res | Monochrome | Pins 2 & 3 | Pins 2 & 3 | Off | On | Off | On |
Note:Pins designated are in the closed position. |