GRANDTEC ELECTRONIC CORPORATION
GRAND SHOW
Card Type |
VGA to TV converter |
Video Chip Set |
Unidenitifed |
Highest Resolution Supported |
800 x 600 |
Maximum Video Memory |
N/A |
Data Bus |
8-bit ISA |
Video Types Supported |
XVGA |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
VGA out |
CN1 |
Composite video out |
J1 |
VGA in |
CN2 |
Phase adjustment screw |
VC1 |
S-video |
CN3 |
Brightness adjustment screw |
VR1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
I/O port address is 373h |
JP6 |
Closed |
I/O port address is 333h |
JP6 |
Open |
TV SYSTEM SELECTION | ||
Setting |
JP1 |
JP2 |
PAL mode |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
NTSC mode |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
TUNER NOISE ADJUSMENT SELECTION | |
Setting |
JP3 |
1 |
Pins 1 & 2 closed |
2 |
Pins 2 & 3 closed |
Note: According to the manufacturer, jumper JP3 is used to control tuner noise. While the exact significance of each setting is unidentified, original documentation suggests trying both settings 1 & 2 to find the optimal configuration for your system. |
BIOS ADDRESS SELECTION | ||||
Address |
JP4 |
JP5 |
JP7 | |
» |
C8000h |
Closed |
Closed |
Closed |
CC000h |
Closed |
Open |
Closed | |
D0000h |
Open |
Closed |
Closed | |
D4000h |
Open |
Open |
Closed | |
D8000h |
Closed |
Closed |
Open | |
DC000h |
Closed |
Open |
Open | |
Disabled 1 |
Open |
Closed |
Open | |
Disabled 2 |
Open |
Open |
Open |