Connecting the ATRWDT Motherboard Reset Option
To use the ATRWDT to reboot the host computer, a connection must be made from the ATRWDT to the motherboard. The jumper wire supplied with the ATRWDT must be connected between the MOTHEBOARD RESET PINS jumper on the ATRWDT and the RESET pins on the host motherboard. If your computer has a RESET switch, the switch's jumper wires should already be connected to the motherboard reset pins. Remove the switch wires from the motherboard pins and connect them to the RESET BUTTON jumper on the ATRWDT. Next connect the jumper wire to the
The polarity of the RESET JMPR is indicated on the ATRWDT PCB but, in most cases, not on the motherboard or reset switch. If you are unsure of how to connect the ATRWDT to the motherboard, use the following procedure to verify the polarity of the connections.
1.Disconnect the reset switch wires from the motherboard.
2.Install the ATRWDT in an empty ISA slot in your computer. Leave the computer cover off.
3.Connect the jumper wire provided with the ATRWDT to the
4.Power up the computer.
5.After the computer has booted, connect the other end of the jumper wire to MOTHERBOARD RESET PINS jumper of the
ATRWDT.
6.Remove the wires from MOTHERBOARD RESET PINS jumper.
7.If your computer does not reboot, the polarity was correct. If the computer did reboot, reverse the connection made to MOTHERBOARD RESET PINS jumper of the ATRWDT.
8.Follow the same procedure to connect the RESET switch wires to RESET BUTTON jumper of the ATRWDT.
NOTE: Use caution when operating the computer with the case open. Be sure to ground yourself by touching the metal case of the computer before you handle any components inside the machine.
6 | Documentation Number | |
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| B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 | Fax +353 |