Intel D845PESV Product Guide - Page 31

Connecting the Front Panel Header, Installing a Front Panel Audio Solution, Hard Drive Activity LED

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Installing and Replacing Desktop Board Components Connecting the Front Panel Header Before connecting the front panel header, observe the precautions in "Before You Begin" on page 21. Figure 10, C on page 30 shows the location of the front panel header. Table 4 shows the pin assignments for the front panel header. Table 4. Front Panel Header (J9G1) Pin Signal In/Out Description Hard Drive Activity LED Pin Signal In/Out Description Power LED 1 HD_PWR 3 HDA# Out Hard disk LED pull- 2 HDR_BLNK_GRN Out Front panel green up (330 Ω) to +5 V LED Out Hard disk active LED 4 HDR_BLNK_YEL Out Front panel yellow LED Reset Switch On/Off Switch 5 Ground 7 FP_RESET# In 9 +5 V Out Ground Reset switch Power 6 SWITCH_ON# In 8 Ground 10 N/C Power switch Ground Not connected Installing a Front Panel Audio Solution Figure 10, A on page 30 shows the location of the front panel audio header. Table 5 shows the pin assignments for the front panel audio header. Table 5. Front Panel Audio Header Signal Names (J8A1) Pin Signal Name 1 AUD-MIC 3 AUD-MIC-BIAS 5 AUD-FPOUT-R 7 HP-ON 9 AUD-FPOUT-L Pin Signal Name 2 AUD-GND 4 AUD-VCC 6 AUD-RET-R 8 KEY 10 AUD-RET-L To install the cable that connects the front panel audio solution to the front panel audio header, follow these steps: 1. Observe the precautions in "Before You Begin" on page 21. 2. Turn off all peripheral devices connected to the computer. Turn off the computer and disconnect the AC power cord. 3. Remove the cover. 4. Locate the front panel audio header (J8A1), see Figure 10, A on page 30. 5. Remove the two jumpers from the header to disable the back panel audio connectors. 6. Install a correctly keyed and shielded front panel audio cable. 7. Connect the audio cable to the front panel audio solution. 8. Replace the cover. 31

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Installing and Replacing Desktop Board Components
31
Connecting the Front Panel Header
Before connecting the front panel header, observe the precautions in “Before You Begin” on
page 21.
Figure 10, C on page 30 shows the location of the front panel header.
Table 4 shows the pin assignments for the front panel header.
Table 4.
Front Panel Header (J9G1)
Pin Signal
In/Out
Description
Pin Signal
In/Out
Description
Hard Drive Activity LED
Power LED
1
HD_PWR
Out
Hard disk LED pull-
up (330
Ω
) to +5 V
2
HDR_BLNK_GRN Out
Front panel green
LED
3
HDA#
Out
Hard disk active LED
4
HDR_BLNK_YEL
Out
Front panel yellow
LED
Reset Switch
On/Off Switch
5
Ground
Ground
6
SWITCH_ON#
In
Power switch
7
FP_RESET#
In
Reset switch
8
Ground
Ground
9
+5 V
Out
Power
10
N/C
Not connected
Installing a Front Panel Audio Solution
Figure 10, A on page 30 shows the location of the front panel audio header.
Table 5 shows the pin assignments for the front panel audio header.
Table 5.
Front Panel Audio Header Signal Names (J8A1)
Pin
Signal Name
Pin
Signal Name
1
AUD-MIC
2
AUD-GND
3
AUD-MIC-BIAS
4
AUD-VCC
5
AUD-FPOUT-R
6
AUD-RET-R
7
HP-ON
8
KEY
9
AUD-FPOUT-L
10
AUD-RET-L
To install the cable that connects the front panel audio solution to the front panel audio header,
follow these steps:
1.
Observe the precautions in “Before You Begin” on page 21.
2.
Turn off all peripheral devices connected to the computer.
Turn off the computer and
disconnect the AC power cord.
3. Remove the cover.
4.
Locate the front panel audio header (J8A1), see Figure 10, A on page 30.
5.
Remove the two jumpers from the header to disable the back panel audio connectors.
6.
Install a correctly keyed and shielded front panel audio cable.
7.
Connect the audio cable to the front panel audio solution.
8. Replace the cover.