Connecting To The Ieee 1394A Header; Installing A Front Panel Audio Solution For Intel ® High Definition Audio; Front Panel Audio Header Signal Names For Intel High Definition Audio; Ieee 1394A Signal Header Names - Intel DG33FBC Product Manual

Intel Desktop Board DG33FB Product Guide

Connecting to the IEEE 1394a Header

See Figure 23, A for the location of the IEEE 1394a header. Table 4 shows the pin
assignments for the header.
Table 4. IEEE 1394a Signal Header Names
Pin Signal Name
1 TPA1+
3 Ground
5 TPA2+
7 +12 V
9 Key (no pin)
Installing a Front Panel Audio Solution for Intel
Definition Audio
Figure 23, B shows the location of the front panel audio header. Table 5 shows the pin
assignments for the front panel audio header.
Table 5. Front Panel Audio Header Signal Names for Intel High Definition
Audio
Pin Signal Name
1 PORT 1L
3 PORT 1R
5 PORT 2R
7 SENSE_SEND
9 PORT 2L
To install the cable that connects the front panel audio solution to the front panel
audio header, follow these steps:
1. Observe the precautions in "Before You Begin" on page 25.
2. Turn off all peripheral devices connected to the computer. Turn off the computer
and disconnect the AC power cord.
3. Remove the cover.
4. Install a correctly keyed and shielded front panel audio cable.
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Pin Signal Name
2 TPA1-
4 Ground
6 TPA2-
8 +12 V
10 Ground
Pin Signal Name
2 GND
4 PRESENCE#
6 SENSE1_RETURN
8 KEY (no pin)
10 SENSE2_RETURN
®
High