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VIDEO CLIPPER

COGENT ELECTRONICS INDUSTRIES

VIDEO CLIPPER

Category

Video

Video Types Supported

XVGA

Video Processor

Unidentified

Highest Resolution Supported

800 x 600

Data Bus Type

16-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

768KB

CONNECTIONS

Purpose

Location

Purpose

Location

VGA feature connector

CN1

Audio/video 2/3 in

CN5

VGA loopback connector

CN2

Audio out

J1

15-pin video analog port

CN3

CD audio in

JP7

Audio/video 1 in

CN4

Monophonic audio out

JP8

BASE I/O ADDRESS CONFIGURATION

Setting

JP1

Hardware configurable (0AD6h)

Pins 2 & 3 closed

 

Software configurable

Pins 1 & 2 closed

Note: Location of pins 1, 2 & 3 is unidentified.

INTERRUPT SELECTION

IRQ

J2/A

J2/B

J2/C

J3/A

J3/B

J3/C

10

Closed

Open

Open

Open

Open

Open

 

2/9

Open

Open

Open

Open

Open

Closed

 

3

Open

Open

Open

Closed

Open

Open

 

5

Open

Open

Open

Open

Closed

Open

 

11

Open

Closed

Open

Open

Open

Open

 

12

Open

Open

Closed

Open

Open

Open

BASE I/O ADDRESS SELECTION

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

100h

On

On

On

On

On

On

On

Off

200h

On

On

On

On

On

On

Off

On

300h

On

On

On

On

On

On

Off

Off

400h

On

On

On

On

On

Off

On

On

500h

On

On

On

On

On

Off

On

Off

FB00h

Off

Off

Off

Off

Off

On

Off

Off

FC00h

Off

Off

Off

Off

Off

Off

On

On

FD00h

Off

Off

Off

Off

Off

Off

On

Off

FE00h

Off

Off

Off

Off

Off

Off

Off

On

FF00h

Off

Off

Off

Off

Off

Off

Off

Off

Note: A total of 255 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/1 is the Most Significant Bit and switch SW1/8 is the Least Significant Bit. The switches have the following decimal values: SW1/1=32768, SW1/2=16384, SW1/3=8192, SW1/4=4096, SW1/5=2048, SW1/6=1024, SW1/7=512, SW1/8=256. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0)