Intel DG33FB Product Guide - Page 46

Connecting to the IEEE 1394a Header

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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 Pin Signal Name 2 TPA1- 4 Ground 5 TPA2+ 6 TPA2- 7 +12 V 9 Key (no pin) 8 +12 V 10 Ground Installing a Front Panel Audio Solution for Intel® High 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 Pin Signal Name 2 GND 4 PRESENCE# 6 SENSE1_RETURN 8 KEY (no pin) 10 SENSE2_RETURN 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. 46

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Intel Desktop Board DG33FB Product Guide
46
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
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
Installing a Front Panel Audio Solution for Intel
®
High
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
Pin
Signal Name
1
PORT 1L
2
GND
3
PORT 1R
4
PRESENCE#
5
PORT 2R
6
SENSE1_RETURN
7
SENSE_SEND
8
KEY (no pin)
9
PORT 2L
10
SENSE2_RETURN
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.