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GA-EX58-UD3R - Hardware

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20) COMA (Serial Port Header, White)<br />

The COMA header can provide one serial port via an optional COM port cable. For purchasing the<br />

optional COM port cable, please contact the local dealer.<br />

9<br />

10<br />

1<br />

2<br />

Pin No. Definition<br />

1 NDCD-<br />

2 NSIN<br />

3 NSOUT<br />

4 NDTR-<br />

5 GND<br />

6 NDSR-<br />

7 NRTS-<br />

8 NCTS-<br />

9 NRI-<br />

10 No Pin<br />

21) CI (Chassis Intrusion Header)<br />

This motherboard provides a chassis detection feature that detects if the chassis cover has been<br />

removed. This function requires a chassis with chassis intrusion detection design.<br />

1<br />

Pin No. Definition<br />

1 Signal<br />

2 GND<br />

- 31 -<br />

<strong>Hardware</strong> Installation

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