GRAND SHOW video card Settings and Configuration

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