Intel DX79SI - Back Panel Connectors

Intel Desktop Board DX79SI Technical Product Specification
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2.2.1 Back Panel Connectors
Figure 11 shows the location of the back panel connectors for the board.
Item Description
A Back to BIOS button
B USB 3.0 ports
C LAN connector
D USB 2.0 ports
E IEEE 1394a connector
F USB 2.0 ports
G LAN connector
H USB 2.0 ports
I Rear surround
J Center channel and LFE (subwoofer)
K S/PDIF digital audio out (optical)
L Line in
M Line out/front speakers
N Mic in/side surround
Figure 11. Back Panel Connectors
NOTE
The back panel audio line out connector is designed to power headphones or amplified
speakers only. Poor audio quality occurs if passive (non-amplified) speakers are
connected to this output.