Intel D425KT User Manual download pdf (Page 31)

Installing and Replacing Desktop Board Components

Connecting to the Front Panel Audio Header

Figure 9, A shows the location of the front panel audio header. The front panel audio

header can be used for both Intel HD Audio and AC ‘97 Audio.

Table 5 shows the pin assignments for th

e Intel HD Audio and Table 6 shows the pin

assignments for AC ‘97 Audio.

Table 5. Front Panel Audio Header for Intel HD Audio

Pin Signal Name Pin Signal Name

1 [Port 1] Left channel 2 Ground

3 [Port 1] Right channel 4 PRESENCE# (Dongle present)

5 [Port 2] Right channel 6 [Port 1] SENSE_RETURN

7 SENSE_SEND (Jack detection) 8 Key (no pin)

9 [Port 2] Left channel 10 [Port 2] SENSE_RETURN

Table 6. Front Panel Audio Header for AC ‘97 Audio

Pin Signal Name Pin Signal Name

1 MIC 2 AUD_GND

3 MIC_BIAS 4 AUD_GND

5 FP_OUT_R 6 FP_RETURN_R

7 AUD_5V 8 KEY (no pin)

9 FP_OUT_L 10 FP_RETURN_L

Connecting to the Serial Port Header

Before connecting to the serial port header, observe the precautions in "Before You

Begin" on page 23. See Figure 9, B on page 30 for the location of the serial port

header.

Table 7 shows the pin assignments for the serial port hea

der.

Table 7. Serial Port Header (COM 1)

Pin Signal Name Pin Signal Name

1 DCD (Data Carrier Detect) 2 RXD# (Receive Data)

3 TXD# (Transmit Data) 4 DTR (Data Terminal Ready)

5 Ground 6 DSR (Data Set Ready)

7 RTS (Request To Send) 8 CTS (Clear To Send)

9 RI (Ring Indicator) 10 Key (no pin)

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 59 60

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Intel D425KT User Manual Page 31