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User's Manual | CS631
Chapter 2
HARDWARE INSTALLATION
Front Panel Connector
S/PDIF Connector
HD-LED
RESET
PWR-LED
ATX-SW
2
1
11 12
HDD-LED - Hard Disk Drive LED
Lighting of the LED indicates that the hard drive is being accessed.
RESET - Reset Switch
This switch allows you to reboot without having to power off the system.
PWR-LED - Power/Standby LED
When the system’s power is on, this LED will light up. When the system is in the S1 (POS -
Power On Suspend) state, it will blink at 1-second intervals. When the system is in the S3 (STR
- Suspend To RAM) state, it will blink at 4-second intervals.
ATX-SW - ATX Power Switch
This switch is used to power on or off the system.
The Sony/Philips Digital Interface (S/PDIF) connector is for audio output to external audio
equipment. The S/PDIF port may be mounted on a card-edge bracket. Install the card-edge
bracket to an available slot at the rear of the system chassis then connect the audio cable to
the S/PDIF connector. Make sure pin 1 of the audio cable is aligned with pin 1 of the S/PDIF
connector.
Front Panel Pin Assignment
Pin Assignment
Pin Assignment
1
N.C.
PWR-LED
2
LED Power
HD-LED
3
HDD Power
4
LED Power
5
Signal
6
Signal
RESET
7
Ground
ATX-SW
8
Ground
9
Signal
10
Signal
11
N.C.
12
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Front Panel
S/PDIF
X
Internal I/O Connectors
X
Internal I/O Connectors
1
