Header Pin Definition And Jumper Settings - ASROCK A55F2-M4 User Manual

F_PANEL
Reset Switch (+)
NC
KEY
Power Switch (-)
F_AUDIO
PRESENCE#
AUD_GND
PORT 1L
PORT 1R
COM
Request to Send
Ring Indicator
KEY
Clear to Send
F_USB1~2
USB Port B (-)
Power +5V
Power +5V
USB Port A (-)
LDC
LPC Signal
+3.3V
LPC Signal
LPC Signal
4
Reset Switch (-)
Hard disk LED (-)
Hard disk LED (+)
1
MSG LED (+)
MSG LED (-)
Power Switch (+)
SENSE1_RETURN
KEY
SENSE2_RETURN
1
PORT 2L
AUD_GND
PORT 2R
Ground
Serial Output
Data Carrier Detect
Serial Input
Data Terminal Ready
Data Set Ready
USB Port B (+)
Ground
NC
9
1
KEY
Ground
USB Port A (+)
Reset
Clock
KEY
Ground
LPC Signal
LPC Signal
A55F2-M4 USER MANUAL