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