ECS B450AM4-M, User Manual, Page: 7 / 22

5
B450AM4-M USER MANUAL
F_AUDIO
1
1 9
F_USB1
1
1
COM1~2
Key
PORT 1L
PORT 1R
PORT 2R
AUD_GND
AUD_GND
PRESENCE#
SENSE1_RETURN
Key
SENSE2_RETURN
KEY
NC
KEY
1
F_PANEL
Hard disk LED (-)
Hard disk LED (+)
Reset Switch (-)
Reset Switch (+)
Reserved
Power Switch (-)
Power Switch (+)
MSG LED (+)
MSG LED (-)
Ground
Ground
Power +5V
Power +5V
Ground
NC
USB Port B (-)
USB Port A (+)
USB Port A (+)
USB Port B (+)
USB Port A (+)
Serial Output
Data Carrier Detect
Serial Input
Ring Indicator
Data Terminal Ready Clear to Send
Request to Send
Data Set Ready
Ground
PORT 2L
F_USB2