G7-A video card Settings and Configuration
JUKO LABORATORIES, LTD.
G7-A
Category | Video/Multi I/O |
Video Types Supported | CGA/Monochrome |
Video Processor | Unidentified |
Highest Resolution Supported | 640 x 400 |
Data Bus Type | 8-bit ISA |
Memory Type | N/A |
Maximum Onboard Memory | N/A |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
15-pin analog video port | CN1 | 6-pin light pen connector | CN5 |
Composite video jack | CN2 | 16-pin game/MIDI port | CN7 |
9-pin mouse port | CN3 | 26-pin parallel port interface | CN8 |
COMPOSITE DISPLAY CONFIGURATION | ||
| Setting | J1 | |
| » | Color | Pins 1 & 2 closed |
| Mono | Pins 2 & 3 closed | |
MOUSE INTERRUPT SELECTION | ||||||
| IRQ | J2 | J6/SW2 | J6/SW3 | J6/SW4 | J6/SW5 | |
| » | 2 | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
| 3 | Pins 3 & 4 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | |
| 4 | Pins 5 & 6 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | |
| 5 | Pins 7 & 8 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | |
COLOR FREQUENCY CONFIGURATION | ||
| Setting | J3 | |
| » | Color display 14.31818MHz clock | Pins 1 & 2 closed |
| Monochrome 16MHz clock | Pins 3 & 4 closed | |
| 640 x 400 display 23.4 MHz clock | Pins 5 & 6 closed | |
PARALLEL PORT CONFIGURATION | ||
| Setting | J4/SW1 | |
| » | Enabled | Pins 1 & 2 closed |
| Disabled | Pins 2 & 3 closed | |
GAME PORT CONFIGURATION | ||
| Setting | J4/SW2 | |
| » | Enabled | Pins 1 & 2 closed |
| Disabled | Pins 2 & 3 closed | |
VERTICAL SYNCHRONIZE PULSE CONFIGURATION | ||
| Setting | J5/SW1 | |
| » | Positive | Pins 1 & 2 closed |
| Negative | Pins 2 & 3 closed | |
HORIZONTAL SYNCHRONIZE PULSE CONFIGURATION | ||
| Setting | J5/SW2 | |
| » | Positive | Pins 1 & 2 closed |
| Negative | Pins 2 & 3 closed | |
DISPLAY MODE SELECTION | ||||
| Mode | J5/SW3 | J5/SW4 | J5/SW5 | |
| » | Color/graphics display | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
| Composite color graphics display | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | |
| Composite monochrome graphics display | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | |
| 640 x 400 color graphics display | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | |
| Monochrome graphics display | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed | |
| Disabled all display modes | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | |
MOUSE PORT CONFIGURATION | ||
| Setting | J6/SW1 | |
| » | Enabled | Pins 1 & 2 closed |
| Disabled | Pins 2 & 3 closed | |
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