Installing and Replacing Desktop Board Components
Pin | Standard Signal Name | ECP Signal Name | EPP Signal Name |
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23 | PERROR | PE, ACKREVERSE# | PE |
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24 | GROUND | GROUND | GROUND |
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25 | SELECT | SELECT | SELECT |
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26 | KEY (no pin) | KEY (no pin) | KEY (no pin) |
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Chassis Intrusion Header
Figure 23, E 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. This switch should be in the open position when the chassis cover is installed and closed when the cover is removed.
Table 9 shows the pin assignments and signal names for the chassis intrusion header.
Table 9. Chassis Intrusion Header Signal Names
Pin | Description |
1Intruder#
2Ground
Intel® RPAT Header
Figure 23, F shows the location of the Intel RPAT header. Table 10 shows the pin assignments and signal names for the Intel RPAT header.
Table 10. Intel RPAT Header Signal Names
Pin Description
1RPAT#
2Ground
Alternate Front Panel Power LED Header
Figure 23, G shows the location of the alternate front panel power LED header. Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. If your chassis has a
Table 11. Alternate Front Panel Power LED Header Signal Names
Pin | Signal Name | In/Out |
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1 | Front panel LED+ | Out |
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2 | No pin |
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3 | Front panel LED- | Out |
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