PWRSW
Attach the power button cable from the case to these two pins. Pressing the powerbutton
on the front panel turns the system on off rather than using the power supply button.
HD_LED
Attach the hard disk drive indicator LED cable to these two pins. The HDD indicator
LED indicates the activity status of the hard disks.
RESET
Attach the Reset switch cable from the front panel of the case to these two pins. The
system restarts when the
RESET
switch is pressed.
USB Headers
The motherboard contains 10-pin internal USB
header connector(s). These can be used for your
front panel USB connections or a USB bracket.
Audio
The audio connector supports the HD audio standard. Most cases come with a 10 pin
standard block which will align and plug directly in to the header. In some cases there will
be individual plugs which will need to be plugged in.
Table 1.
Front Audio Connector
Connector
Pin Signal
1
PORT1_L - Analog Port 1 - left channel (Microphone)
2
AUD_GND - Ground
3
PORT1_R – Analog Port 1 – right channel (Microphone)
4
PRESENCE# - Active signal that indicates FP audio is present
5
PORT2_R – Analog Port 2 - right channel (Headphone)
6
SENSE1_RETURN – Jack detection return for front panel (Jack1)
7
SENSE_SEND – Jack detection sense line
8 Empty
9
PORT2_L – Analog port 2 – left channel (Headphone)
Front Audio Connector
10
SENSE2_RETURN – Jack detection return for front panel (Jack2)
Fan Connections
There are two types fan connections, the system fan and the CPU fan. The fan speed can be
detected and viewed in the
PC Health Status
section of the CMOS Setup. Both fans are
automatically turned off after the system enters S3, S4 and S5 mode.
2
4
6
8
10
1
3
5
7
9
Note that the CPU fan cable can be
either a 3-pin or a 4-pin connector.
Connect a 3-pin connector to pins 1, 2,
and 3 on the motherboard connector.
CPU Fan Connector
4 3 2 1
GND SENSE
PWR CONTROL
