Intel DQ43AP English Product Guide - Page 45

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

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Installing and Replacing Desktop Board Components Serial Port Header See Figure 18, C 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 Alternate Front Panel Power LED Header Figure 18, D 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 (Figure 18, E). If your chassis has a three-pin front panel power LED cable, connect it to this header. Table 10 shows the pin assignments for the alternate front panel power LED header. Table 10. Alternate Front Panel Power LED Header Signal Names Pin Description In/Out 1 Front panel main color LED Out 2 No pin 3 Front panel alternate color Out LED Front Panel Header See Figure 18, E for the location of the multi-colored front panel header. Table 11 shows the pin assignments for the front panel header. Table 11. Front Panel Header Signal Names Pin Description In/Out Pin Description Hard Drive Activity LED Power LED 1 Hard disk LED pull-up to +5 V Out 2 Front panel green LED 3 Hard disk active LED Out 4 Front panel yellow LED Reset Switch On/Off Switch 5 Ground 6 Power switch 7 Reset switch In 8 Ground Power Not Connected 9 Power Out 10 No pin In/Out Out Out In 45

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Installing and Replacing Desktop Board Components
45
Serial Port Header
See Figure 18, C 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
Alternate Front Panel Power LED Header
Figure 18, D 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
(Figure 18, E).
If your chassis has a three-pin front panel power LED cable, connect it
to this header.
Table 10 shows the pin assignments for the alternate front panel
power LED header.
Table 10. Alternate Front Panel Power LED Header Signal Names
Pin
Description
In/Out
1
Front panel main color LED
Out
2
No pin
3
Front panel alternate color
LED
Out
Front Panel Header
See Figure 18, E for the location of the multi-colored front panel header.
Table 11
shows the pin assignments for the front panel header.
Table 11. Front Panel Header Signal Names
Pin
Description
In/Out Pin Description
In/Out
Hard Drive Activity LED
Power LED
1
Hard disk LED pull-up to +5 V Out
2
Front panel green LED
Out
3
Hard disk active LED
Out
4
Front panel yellow LED
Out
Reset Switch
On/Off Switch
5
Ground
6
Power switch
In
7
Reset switch
In
8
Ground
Power
Not Connected
9
Power
Out
10
No pin