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 | |