3.7 Serial Port Header (Optional)
Pin Pin Assignment Pin Pin Assignment
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI
This JCOM1 header supports a serial port module.
3.8 JHPD Jumper (Optional)
While the JHPD jumper are shorted at pin 1-2, the
motherboard will automatically detect any DVI or HDMI
display device; if the DVI or HDMI device cannot be
detected, please short these jumpers to pin 2-3 to enable
force DVI/HDMI device detection.
Pin No. Denition
Pin1-2 Auto
Pin2-3 HDMI/DVI EN
JHPD Jumper