DFI DT122-CR Manual - Manual (Page 31)

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31
Chapter 5 Ports and Connectors
Chapter 5
Standby Power LED
This LED will lit red when the system is in the standby mode. It indicates that there is power
on the system board. Power-off the PC and then unplug the power cord prior to installing any
devices. Failure to do so will cause severe damage to the motherboard and components.
Standby Power LED
Front Panel Connectors
HDD-LED - HDD LED
This LED will light when the hard drive is being accessed.
RESET SW - Reset Switch
This switch allows you to reboot without having to power off the system.
PWR-BTN - Power Switch
This switch is used to power on or off the system.
PWR-LED - Power/Standby LED
When the system’s power is on, this LED will light. When the system is in the S1 (POS - Power
On Suspend) state, it will blink every second. When the system is in the S3 (STR - Suspend To
RAM) state, it will blink every 4 seconds.
Pin Pin Assignment Pin Pin Assignment
HDD-LED 3 HDD Power PWR-LED 2 LED Power
5 Signal 4 LED Power
RESET SW 7 Ground 6 Signal
9 RST Signal PWR-BTN 8 Ground
11 N.C. 10 Signal
HDD-LED
RESET-SW
PWR-LED
PWR-BTN
12 11