Product Data Sheet / Brochure

Table Of Contents
Technical Reference
29
Figure 13. Connection Diagram for Front Panel Header (2.0 mm Pitch)
2.2.4.5.1 Hard Drive Activity LED Pins
Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is being read from
or written to a hard drive. Proper LED function requires a SATA hard drive or optical drive
connected to an onboard SATA connector.
2.2.4.5.2 Reset Switch Pins
Pins 5 and 7 can be connected to a momentary single pole, single throw (SPST) type switch that is
normally open. When the switch is closed, the board resets and runs the POST.
2.2.4.5.3 Power/Sleep LED Pins
Pins 2 and 4 can be connected to a one- or two-color LED. Table 22 and Table 23 show the
possible LED states.
Table 22. States for a One-Color Power LED
LED State
Description
Off
Power off
Blinking
Standby
Steady Normal operation
Table 23. States for a Dual-Color Power LED
LED State
Description
Off
Power off
Secondary color blinking
(amber)
Standby
Primary color steady (Blue)
Normal operation
NOTE
The LED behavior shown in Table 22 is default other patterns may be set via BIOS setup.