HP Notebook Series Hardware And Software Manual page 177

Specifications
The following table identifies the input and output signals
supported by the expansion port 2 on your notebook.
✎
Not all expansion products will support these features.
Feature
USB 2.0
10/100 Ethernet
Gigabit Ethernet
IEEE 1394 (4-pin port)
Consumer IR (for optional
remote control only)
Power inputs
Composite video
S-Video
Component video
S/PDIF audio
DVI
Headphone/speaker audio-out
Microphone audio-in
*Refer to the rating marked on your notebook.
A–4
Support
Yes
Yes
No
Yes
Yes
135 W/180 W*
Yes
Yes
Yes
Yes
No
Yes
Yes
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