Standby Power Led; Front Panel Connector - DFI BW551 User Manual

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.
Chapter 2 Hardware Installation
Chapter 2

Front Panel Connector

Standby Power LED
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 be lit. When the system is in the S1 (POS - Pow-
er 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.
HDD-LED
PWR-LED
18
Front
Panel
5
6
1
2
1
Pin Pin Assignment Pin Pin Assignment
6 HDD_LED 5 Reset Button
RESET-
SW
3 3
GND GND
4 SUS_LED 1 Power Button
PWR-BTN
2 3
V_LED GND
1
2
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