Intel DQ67OW English Product Guide - Page 53

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

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Installing and Replacing Desktop Board Components Serial Header Figure 22, C shows the location of the serial header. Table 8 shows the pin assignments and signal names for the serial header. Table 8. Serial Port Header Pin Signal Name 1 DCD (Data Carrier Detect) 3 TXD# (Transmit Data) 5 Ground 7 RTS (Request To Send) 9 RI (Ring Indicator) Pin Signal Name 2 RXD# (Receive Data) 4 DTR (Data Terminal Ready) 6 DSR (Data Set Ready) 8 CTS (Clear To Send) 10 Key (no pin) Chassis Intrusion Header Figure 22, D 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. This switch should be in the open position when the chassis cover is installed and closed when the cover is removed. Table 9 shows the pin assignments and signal names for the chassis intrusion header. Table 9. 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 10 shows the pin assignments for the alternate front panel header. Table 10. Alternate Front Panel Power LED Header Signal Names Pin Signal Name 1 Front panel LED+ 2 No pin 3 Front panel LED- In/Out Out Out 53

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Installing and Replacing Desktop Board Components
53
Serial Header
Figure 22, C shows the location of the serial header.
Table 8 shows the pin
assignments and signal names for the serial header.
Table 8. Serial Port Header
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)
Chassis Intrusion Header
Figure 22, D 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.
This switch should be in the open position when the chassis cover is
installed and closed when the cover is removed.
Table 9 shows the pin assignments and signal names for the chassis intrusion header.
Table 9. 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 10
shows the pin assignments for the alternate front panel header.
Table 10. Alternate Front Panel Power LED Header Signal Names
Pin
Signal Name
In/Out
1
Front panel LED+
Out
2
No pin
3
Front panel LED-
Out