ECS P49G Series User Manual page 20

COM: Onboard Serial Port Header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
Pin
1 DCDB
3 SOUTB
5 GND
7 RTSB
9 RI
F_AUDIO: Front Panel Audio Header
This header allows the user to install auxiliary front-oriented microphone and line-
out ports for easier access.
Pin
1 PORT1L
3 PORT1R
5 PORT2R
7 SENSE_SEND
9 PORT2L
F_USB1~2: Front Panel USB Header
The motherboard has four USB ports installed on the rear edge I/O port array.
Additionally, some computer cases have USB ports at the front of the case. If you
have this kind of case, use auxiliary USB header F_USB to connect the front-
mounted ports to the motherboard.
Pin
1 USBPWR0
3 USB_FP_P0(-)
5 USB_FP_P0(+)
7 GROUND
9 KEY
1. Locate the F_USB header on the motherboard.
2. Plug the bracket cable onto the F_USB header.
3. Remove a slot cover from one of the expansion slots on the system
chassis. Install an extension bracket in the opening. Secure the extension
bracket to the chassis with a screw.
Chapter 2: Motherboard Installation
Signal Pin
2 SINB
4 DTRB
6 DSRB
8 CTSB
10 KEY
Signal Pin
2 GND
4 PRESENCE#
6 Sense1_return
8 KEY
10 Sense2_return
Signal Pin Signal
2 USBPWR1
4 USB_FP_P1(-)
6 USB_FP_P1(+)
8 GROUND
10 NC
17
Signal
Signal