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. Table 7 shows the pin assignments for the front panel header.
Table 7. Front Panel Header (J9G1)
Pin | Signal | In/Out | Description | Pin |
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| Hard Drive Activity LED |
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1 | HD_PWR | Out | Hard disk LED | 2 |
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| (330 Ω) to +5 V |
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3 | HDA# | Out | Hard disk active LED | 4 |
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Signal | In/Out | Description |
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Power LED |
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HDR_BLNK_GRN | Out | Front panel green |
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| LED |
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HDR_BLNK_YEL | Out | Front panel yellow |
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| LED |
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5
7
9
Reset Switch
Ground |
| Ground |
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FP_RESET# | In | Reset switch |
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| Power |
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+5 V |
| Power |
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6
8
10
On/Off Switch
FPBUT_IN |
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| In |
| Power switch |
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Ground |
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| Ground |
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| Not Connected | ||||
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N/C |
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| Not connected |
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Installing a USB 2.0 Solution
Before installing a USB 2.0 solution, observe the precautions in “Before You Begin” on page 21. Table 8 shows the pin assignments for the USB 2.0 header.
Table 8. | USB 2.0 Header (J9F2) |
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Pin | Signal Name |
1 | Power |
3 | D- |
5 | D+ |
7 | Ground |
9 | Key (no pin) |
Note: USB ports may be assigned as needed.
Pin
2
4
6
8
10
Signal Name
Power
D-
D+
Ground
Not connected
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