Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Note the following considerations for the PCI Conventional bus connectors (for both Desktop Boards):
•All of the PCI Conventional bus connectors are bus master capable.
•SMBus signals are routed to PCI Conventional bus connector 2. This enables PCI Conventional bus
The SMBus clock line is connected to pin A40.
The SMBus data line is connected to pin A41.
2.8.2.3Auxiliary Front Panel Power/Sleep LED Connector
Pins 1 and 3 of this connector duplicate the signals on pins 2 and 4 of the front panel connector.
Table 32. Auxiliary Front Panel Power/Sleep LED Connector
Pin | Signal Name | In/Out | Description |
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1 | HDR_BLNK_GRN | Out | Front panel green LED |
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2 | Not connected |
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3 | HDR_BLNK_YEL | Out | Front panel yellow LED |
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2.8.2.4Front Panel Connector
This section describes the functions of the front panel connector. Table 33 lists the signal names of the front panel connector. Figure 23 is a connection diagram for the front panel connector.
Table 33. Front Panel Connector
Pin | Signal | In/Out |
| Description | Pin | Signal |
| In/Out |
| Description |
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| |
| Hard Drive Activity LED |
|
| Power LED |
| |||||
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| [Yellow] |
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| [Green] |
| |||
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|
|
|
| ||||
1 | HD_PWR | Out |
| Hard disk LED | 2 | HDR_BLNK_ | Out |
| Front panel green | |
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|
|
| (750 Ω) to +5 V |
| GRN |
|
|
| LED |
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|
| |
3 | HAD# | 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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| [Purple] |
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| [Red] |
| ||
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| |
5 | Ground |
|
| Ground | 6 | FPBUT_IN |
| In |
| Power switch |
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7 | FP_RESET# | In |
| Reset switch | 8 | Ground |
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| Ground |
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| |
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| Power |
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| Not Connected | ||||
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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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