Intel Desktop Board Product Guide

Intel Desktop Board DP43BF Product Guide

HD Audio Link Header

See Figure 22, F for the location of the HD Audio Link header. Table 11 shows the pin

assignments for the header.

Table 11. HD Audio Link Header Signal Names

Pin Signal Name Pin Signal Name

1 BCLK 2 Ground

3 RST# 4 3.3 Vcc

5 SYNC 6 Ground

7 SDO 8 3.3 Vcc

9 SDI0 10 +12 V

11 SDI1 12 Key

13 No Connection 14 3.3 V STBY

15 No Connection 16 Ground

USB 2.0 Headers

See Figure 22, G for the location of the three USB 2.0 headers. Table 12 shows the

pin assignments for each USB 2.0 header. Each USB header can be used to connect

two USB devices.

Table 12. USB 2.0 Header Signal Names

USB Port A USB Port B

Pin Signal Name Pin Signal Name

1 Power (+5 V) 2 Power (+5 V)

3 D- 4 D-

5 D+ 6 D+

7 Ground 8 Ground

9 Key 10 No Connection

Note: USB ports may be assigned as needed.

NOTE

Computer systems that have an unshielded cable attached to a USB port might not

meet FCC Class B requirements, even if no device or a low-speed USB device is

attached to the cable. Use a shielded cable that meets the requirements for a

full-speed USB device.