Intel DG33TL manual Connecting to the HD Audio Link Header, Connecting to the Ieee 1394a Header

Installing and Replacing Desktop Board Components

Connecting to the HD Audio Link Header

See Figure 23, A for the location of the HD Audio Link header. Table 5 shows the pin assignments for the header.

Table 5. HD Audio Link Header Signal Names

Pin	Signal Name
1	BCLK
3	RST#
5	SYNC
7	SDO
9	SDI0
11	SDI1
13	No Connection
15	No Connection

Pin	Signal Name
2	Ground
4	3.3 Vcc
6	Ground
8	3.3 Vcc
10	+12 V
12	Key

143.3 V STBY

16Ground

Connecting to the IEEE 1394a Header

See Figure 23, C for the location of the IEEE 1394a header. Table 6 shows the pin assignments for the header.

Table 6. IEEE 1394a Signal Header Names

Pin	Signal Name
1	TPA1+
3	Ground
5	TPA2+
7	+12 V
9	Key (no pin)

Pin	Signal Name
2	TPA1-
4	Ground
6	TPA2-

8+12 V

10Ground

Installing a Front Panel Audio Solution for Intel® High

Definition Audio

Figure 23, B shows the location of the front panel audio header. Table 7 shows the pin assignments for the front panel audio header.

Table 7. Front Panel Intel High Definition Audio Header Signal Names

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#

6SENSE1_RETURN

8KEY (no pin)

10SENSE2_RETURN

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