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Installing and Replacing Desktop Board Components
53
To install the cable that connects the front panel audio solution to the front panel
audio header, follow these steps:
1. Observe the precautions in "Before You Begin" on page 31.
2. Turn off all peripheral devices connected to the
computer. Turn off the computer
and disconnect the AC power cord.
3. Remove the cover.
4. Install a correctly keyed and shielded front panel audio cable.
Connecting to the Chassis Intrusion Header
Figure 23, C on page 51 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 for t
he chassis intrusion header.
Table 7. Chassis Intrusion Header
Pin Description
1 Intruder
2 Ground
Connecting to the Serial Port Header
See Figure 23, D for the location of the serial port header. Table 8 shows the pin
assignments for the header.
Table 8. Serial Port Header Signal Names
Pin Signal Name Pin Signal Name
1 DCD 2 RXD#
3 TXD# 4 DTR
5 Ground 6 DSR
7 RTS 8 CTS
9 RI 10 No Connection