Intel Desktop Board DQ45CB Product Guide
50
IEEE 1394a Header
See Figure 22, H for the location of the IEEE 1394a header. Table 14 shows the pin
assignments for the header.
Table 14. IEEE 1394a Header Signal Names
Pin Signal Name Pin Signal Name
1 TPA1+ 2 TPA1-
3 Ground 4 Ground
5 TPA2+ 6 TPA2-
7 +12 V 8 +12 V
9 Key (no pin) 10 Ground
Connecting to the Audio System
After installing the Analog Devices audio driver from the Intel Express Installer
DVD-ROM, the multi-channel audio feature can be enabled. Figure 23 shows the
default back
panel audio connector assignments. The audio connectors are retaskable
via audio software. Table 3 on page 16 lists the supported audio connector
assignments.
Item Description
A Line In
B Line Out
C Mic In
Figure 23. Back Panel Audio Connectors
NOTE
The back panel line out connector is designed to power either headphones or amplified
speakers only. Poor audio quality may occur if passive (non-amplified) speakers are
connected to this output.
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