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60 Appendix B: Technical information
System reset connector
The system reset connector is a standard, right angle, 0.1" spacing, male connector.
This connector is used to reset the motherboard if the reset button is pressed or
the Watchdog circuitry of Matrox Morphis QxT detects abnormal Host inactivity.
The connector's pin assignment is as follows:
Connector
Pin
Signal
J4
1
RESET_MB
J4
2
GND_MB
J4
3
RESET_BUTTON
J4
4
GND_MB
To build your own cable for the system reset connector, parts can be purchased
from:
Manufacturer
Crimp-to-wire receptacle
FCI
76357-301 (discrete contact; wire size: 22-30 AWG)
1
2
3
4
Description
Reset signal output (usually to motherboard).
Motherboard active reset level (usually ground).
Reset signal input (usually from Reset button).
Motherboard active reset level (usually ground).
Housing
65039-035 (2 positions)
65039-033 (4 positions)
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