Technical Reference
2.2.2.5Front Panel Header
This section describes the functions of the front panel header. Table 20 lists the signal names of the front panel header. Figure 11 is a connection diagram for the front panel header.
Table 20. Front Panel Header
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Pin | Signal |
| Out | Description | Pin | Signal |
| Out |
| Description |
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| Hard Drive Activity LED |
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| Power LED |
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1 | HD_PWR |
| Out | Hard disk LED | 2 | HDR_BLNK_ |
| Out |
| Front panel green |
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| to +5 V |
| GRN |
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| LED |
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3 | HDA# |
| Out | Hard disk active LED | 4 | HDR_BLNK_ |
| Out |
| Front panel yellow |
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| YEL |
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| LED |
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| Reset Switch |
| On/Off Switch |
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5 | Ground |
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| Ground | 6 | FPBUT_IN |
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| Power switch |
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7 | FP_RESET# |
| In | Reset switch | 8 | Ground |
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| Ground |
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| Power |
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9 | +5 V |
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| Power | 10 | N/C |
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| Not connected |
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Figure 11. Connection Diagram for Front Panel Header
2.2.2.5.1Hard Drive Activity LED Header
Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive. Proper LED function requires one of the following:
•A Serial ATA hard drive connected to an onboard Serial ATA connector
•A Parallel ATA IDE hard drive connected to an onboard Parallel ATA IDE connector
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