Installing and Replacing Desktop Board Components

Connecting to the HD Audio Link Header

See Figure 22, A for the location of the HD Audio Link header. Table 4 shows the pin assignments for the header.

Table 4. High Definition Audio Link

Pin

Signal Name

 

 

1

BCLK

 

 

3

RST

 

 

5

SYNC

 

 

7

SDO

 

 

9

SDI

 

 

11

No Connection

 

 

13

No Connection

 

 

15

No Connection

 

 

Pin

Signal Name

 

 

2

Ground

 

 

4

3.3V/1.5V I/O

 

 

6

Ground

 

 

8

3.3V_Core

 

 

10

+12V

 

 

12

Key

143.3V/1.5V STBY

16Ground

Connecting to the IEEE 1394a Header

See Figure 22, B for the location of the blue IEEE 1394a header. Table 5 shows the pin assignments for the header.

Table 5. 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 22, C on page 42 shows the location of the yellow front panel audio header. Table 6 shows the pin assignments for the front panel audio header.

Table 6. 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#

 

 

6SENSE1_RETURN

8KEY (no pin)

10SENSE2_RETURN

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Image 43
Intel DG965RY Connecting to the HD Audio Link Header, Connecting to the Ieee 1394a Header, High Definition Audio Link