Installing and Replacing Desktop Board Components
Table 9. Back Panel CIR Header Emitter (Output) Header Signal Names
Pin | Signal Name |
|
|
1 | Emitter Out 1 |
|
|
3 | Ground |
|
|
5 | Jack Detect 1 |
|
|
Pin | Signal Name |
2Emitter Out 2
4Key (no pin)
6Jack Detect 2
Chassis Intrusion Header
Figure 23, F shows the location of the chassis intrusion header. This header can be connected to a mechanical switch on the chassis to detect if the chassis cover is removed.
Table 10 shows the pin assignments and signal names for the chassis intrusion header.
Table 10. Chassis Intrusion Header Signal Names
Pin Description
1Intruder
2Ground
Front Panel Header
Figure 23, H shows the location of the front panel header. Table 11 shows the pin assignments and signal names for the front panel header.
Table 11. Front Panel Header Signal Names
Pin | Description | In/Out | Pin | Description | In/Out |
|
|
|
|
|
|
| Hard Drive Activity LED |
|
| Power LED |
|
|
|
|
|
|
|
1 | Hard disk LED | 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 |
|
|
|
|
|
|
|
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