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In case of the Watchdog hardware performance testing the Reset button is connected to the computer motherboard via the video capture card with the help of special Watchdog cable.
Note
The Watchdog cable is optionally bundled with video capture card.
If several video capture cards are installed on the Server, then Watchdog is connected to one card only.
A special four-pin connector or two two-pin connectors are installed on the video capture card to connect the Watchdog cable.
A four-pin connector for connecting the hardware tester of Watchdog pending (by the example of FS-5 video capture card):
Two two-pin connectors for connecting the hardware tester of Watchdog pending (by the example of SC300Q16 (FX-4) video capture card):
Connect the Watchdog hardware performance tester as follows:
- Make sure that power of motherboard and video capture card is off.
Connect the cable of the Reset button to the two-pin or four-pin connector of video capture card with the help of a pair of 1/0 or 2/0 connections. Connection of the Reset button cable to FS-5 video capture card is displayed in the second figure.
Attention!
Cables are to be connected to the video capture card taking into account the positioning of the main wire of four-pin connector. You can connect the Watchdog cable to two-pin connector of FX video capture cards any way without taking into account the positioning of the main wire.
Note
To specify the positioning of the main wire (earth conditioned «–/–») the multimeter may be used in the resistance test mode. In this case the main wire is determined by 0 resistance value between contacts.
Appearance and pinout of four-pin connector of video capture card: 0/0-main wire (earth conditioned «–/–»), 1/0 and 2/0- pairs of contacts for cables connections («+/–», «+/–»):
The Reset button cable connection to the four-pin connector of FS-5 video capture card:
- Connect the Watchdog cable to the vacant two-pin or four-pin connector of video capture card with the help of vacant pair of contacts (1/0 or 2/0) – see the figure above. The Watchdog cable connection to FS-5 video capture card is exemplified in the figure below:
- Connect the vacant end of the Watchdog cable to the connector on the motherboard for the Reset button cable.
Connecting the Watchdog hardware performance tester is completed.
Note
Connecting the Watchdog hardware performance tester is not correct if there is no reboot after pressing the Reset button.
If all the steps of connecting are correct, then the Watchdog inoperativeness can be caused by in observance of polarity while connecting the Watchdog cable to the motherboard. Interchange the cables and reconnect the Watchdog cable to the motherboard.
Note
Program setting of the Watchdog function is necessary to activate the hardware performance tester (see Configuring the Watchdog hardware performance tester section).
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