Matrox Morphis QxT Installation And Hardware Reference page 57

Pin number Signal
12 NC
13 VID_OUT3
14 NC
15 NC
You can use a standard HD 15-pin VGA to 5BNC monitor cable (available at
your local electronic store) to interface with this connector.
Internal digital I/O expansion connector
The internal digital I/O expansion connector is a high-density, 50-pin female
connector that is used for user input and output signals. The connector's pin
assignment is as follows:
Pin Signal
number
A1 TTL_USER_IN0
A2 TTL_USER_IN2
A3 TTL_USER_IN4
A4 TTL_USER_IN5
A5 TTL_USER_IN7
A6 TTL_USER_IN9
A7 TTL_USER_IN10
A8 TTL_USER_IN12
A9 TTL_USER_OUT0
A10 TTL_USER_OUT1
A11 TTL_USER_OUT2
Base board input and output connectors
Description
Not connected.
Analog video output 3.
Not connected.
Not connected.
A25
Board side
B25
A1
B1
Description
TTL user input 0.
TTL user input 2.
TTL user input 4.
TTL user input 5.
TTL user input 7.
TTL user input 9.
TTL user input 10.
TTL user input 12.
TTL user output 0.
TTL user output 1.
TTL user output 2.
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