Standby Power Led; Front Panel Connector - DFI KU553 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
3
Standby Power LED

Front Panel Connector

HDD-LED - Hard Drive LED
This LED will be lit when the hard drive is being accessed.
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.
RESET-BTN - Reset Button
This button allows you to reboot without having to power off the system.
PWR-BTN - Power Button
This button is used to power on or off the system.
Pin Pin Assignment
6 HD_LED
HDD-LED
2 LED Power
3 Ground
RESET-BTN
5 Reset Button
19
3
6 5
Front
HDD-LED
RESET-BTN
Panel
PWR-LED PWR-BTN
2 1
Pin Pin Assignment
1 Power Button
PWR-BTN
3 Ground
2 LED Power
PWR-LED
4
SUS_LED
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