Intel BLKDQ45CB Product Guide - Page 48

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

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Intel Desktop Board DQ45CB Product Guide Serial Port Header See Figure 22, D for the location of the serial port header. Table 9 shows the pin assignments for the header. Table 9. 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 22, D on page 46 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 10 shows the pin assignments for the chassis intrusion header. Table 10. Chassis Intrusion Header Signal Names Pin Description 1 Intruder 2 Ground Alternate Front Panel Power LED Header Figure 22, E 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 11 shows the pin assignments for the alternate front panel header. Table 11. 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 48

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Intel Desktop Board DQ45CB Product Guide
48
Serial Port Header
See Figure 22, D for the location of the serial port header.
Table 9 shows the pin
assignments for the header.
Table 9. 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 22, D on page 46 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 10 shows the pin assignments for the chassis intrusion
header.
Table 10. Chassis Intrusion Header Signal Names
Pin
Description
1
Intruder
2
Ground
Alternate Front Panel Power LED Header
Figure 22, E 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 11
shows the pin assignments for the alternate front panel header.
Table 11. 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