Intel DG965MQ DG965MQ Technical Product Specification - Page 58
Front Panel Header
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Intel Desktop Board DG965MQ Technical Product Specification 2.7.2.3 Front Panel Header This section describes the functions of the front panel header. Table 29 lists the signal names of the front panel header. Figure 17 is a connection diagram for the front panel header. Table 29. Front Panel Header In/ Pin Signal Out Description Pin Hard Drive Activity LED 1 HD_PWR Out Hard disk LED pull-up 2 to +5 V 3 HDA# Out Hard disk active LED 4 Reset Switch 5 Ground Ground 6 7 FP_RESET# In Reset switch 8 Power 9 +5 V Power 10 Signal In/ Out Description Power LED HDR_BLNK_ Out GRN Front panel green LED HDR_BLNK_ Out YEL Front panel yellow LED On/Off Switch FPBUT_IN In Power switch Ground Ground Not Connected N/C Not connected Hard Drive Activity LED + - Reset Switch +5 V DC 12 3 4 56 78 9 Singlecolored Power LED + - Power Switch N/C Dualcolored Power LED - + OM18318 Figure 17. Connection Diagram for Front Panel Header 2.7.2.3.1 Hard 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 58