![](http://pdfasset.owneriq.net/4/99/4990a3d0-40a8-4c3b-8202-60624e877578/4990a3d0-40a8-4c3b-8202-60624e877578-bg31.png)
4. IEEE 1394a port connector (10-1 pin IE1394_2)
This connector is for an IEEE 1394a port. Connect the IEEE 1394a module
cable to this connector, then install the module to a slot opening at the back
of the system chassis.
Never connect a USB cable to the IEEE 1394a connector. Doing so will damage
the motherboard!
The IEEE 1394a module is purchased separately.
5. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF)
port(s). Connect the S/PDIF Out module cable to this connector, then install
the module to a slot opening at the back of the system chassis.
The S/PDIF module is purchased separately.
ASUS P8B WS 2-23