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GRAND SHOW

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