Intel DG45ID Product Guide - Page 47

Serial Port Header, Chassis Intrusion Header, Alternate Front Panel Power LED Header

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Installing and Replacing Desktop Board Components Serial Port Header See Figure 21, E for the location of the serial port header. Table 10 shows the pin assignments for the header. Table 10. Serial Port Header Signal Names Pin Signal Name 1 DCD 3 TXD# 5 Ground 7 RTS 9 RI Pin Signal Name 2 RXD# 4 DTR 6 DSR 8 CTS 10 No Connection Chassis Intrusion Header Figure 21, F on page 44 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 11 shows the pin assignments for the chassis intrusion header. Table 11. Chassis Intrusion Header Signal Names Pin Description 1 Intruder 2 Ground Alternate Front Panel Power LED Header Figure 21, H shows the location of the alternate front panel power LED header. Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. If your chassis has a three-pin power LED cable, connect it to this header. Table 12 shows the pin assignments for the alternate front panel header. Table 12. Alternate Front Panel Power LED Header Signal Names Pin Description 1 Front panel green LED 2 No pin 3 Front panel yellow LED In/Out Out Out 47

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Installing and Replacing Desktop Board Components
47
Serial Port Header
See Figure 21, E for the location of the serial port header.
Table 10 shows the pin
assignments for the header.
Table 10. 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
Chassis Intrusion Header
Figure 21, F on page 44 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 11 shows the pin assignments for the chassis intrusion
header.
Table 11. Chassis Intrusion Header Signal Names
Pin
Description
1
Intruder
2
Ground
Alternate Front Panel Power LED Header
Figure 21, H shows the location of the alternate front panel power LED header.
Pins 1
and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header.
If
your chassis has a three-pin power LED cable, connect it to this header.
Table 12
shows the pin assignments for the alternate front panel header.
Table 12. Alternate Front Panel Power LED Header Signal Names
Pin
Description
In/Out
1
Front panel green LED
Out
2
No pin
3
Front panel yellow LED
Out