Intel DP43BF Intel Desktop Board DP43BFL Product Guide English - Page 47

Front Panel Header, Alternate Front Panel Power LED Header, HD Audio Link Header

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Installing and Replacing Desktop Board Components Front Panel Header See Figure 22, C for the location of the front panel header. Table 8 shows the pin assignments for the front panel header. Table 8. Front Panel Header Signal Names Pin Signal Name In/Out Pin Signal Name 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 Alternate Front Panel Power LED Header Figure 22, 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. If your chassis has a three-pin power LED cable, connect it to this header. Table 9 shows the pin assignments for the alternate front panel header. Table 9. Alternate Front Panel Power LED Header Signal Names Pin Signal Name 1 Front panel green LED 2 No pin 3 Front panel yellow LED In/Out Out Out HD Audio Link Header See Figure 22, E for the location of the HD Audio Link header. Table 10 shows the pin assignments for the header. Table 10. HD Audio Link Header Signal Names Pin Signal Name 1 BCLK 3 RST# 5 SYNC 7 SDO 9 SDI0 11 SDI1 13 No Connection 15 No Connection Pin Signal Name 2 Ground 4 3.3 Vcc 6 Ground 8 3.3 Vcc 10 +12 V 12 Key 14 3.3 V STBY 16 Ground 47

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Installing and Replacing Desktop Board Components
47
Front Panel Header
See Figure 22, C for the location of the front panel header.
Table 8 shows the pin
assignments for the front panel header.
Table 8. Front Panel Header Signal Names
Pin
Signal Name
In/Out Pin Signal Name
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
Alternate Front Panel Power LED Header
Figure 22, 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.
If
your chassis has a three-pin power LED cable, connect it to this header.
Table 9
shows the pin assignments for the alternate front panel header.
Table 9. Alternate Front Panel Power LED Header Signal Names
Pin
Signal Name
In/Out
1
Front panel green LED
Out
2
No pin
3
Front panel yellow LED
Out
HD Audio Link Header
See Figure 22, E for the location of the HD Audio Link header.
Table 10 shows the pin
assignments for the header.
Table 10. HD Audio Link Header Signal Names
Pin
Signal Name
Pin
Signal Name
1
BCLK
2
Ground
3
RST#
4
3.3 Vcc
5
SYNC
6
Ground
7
SDO
8
3.3 Vcc
9
SDI0
10
+12 V
11
SDI1
12
Key
13
No Connection
14
3.3 V STBY
15
No Connection
16
Ground