Intel DX79TO Podręcznik Użytkownika Pobierz pdf (Strona 48)

Intel Desktop Board DX79TO Product Guide

Front Panel Audio Header

Figure 20, A shows the location of the front panel audio header. Table 6 shows the pin

assignments and signal names for the front panel audio header.

Table 6. Front Panel Audio Header Signal Names

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

Chassis Intrusion Header

Figure 20, B shows the location of the chassis intrusion header. This header can be

connected to a mechanical switch on the chassis to detect if the chassis cover is

removed.

Table 7 shows the pin assignments and

signal names for the chassis intrusion header.

Table 7. Chassis Intrusion Header Signal Names

Pin Description

1 Intruder

2 Ground

IEEE 1394a Header

Figure 20, C shows the location of the IEEE 1394a header. Table 8 shows the pin

assignments and signal names for the IEEE 1394a header.

Table 8. IEEE 1394a Header Signal 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

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 85 86

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Intel DX79TO Podręcznik Użytkownika Strona 48