Compaq dc5800 - Microtower PC Reference Manual page 247

P54 Primary serial port
P55 Double stack serial port, Top = Serial B, Bottom = Serial A
P58 Riser edge connector (male-mates with J30)
P60 PrimarySerial ATA (SATA) connector
P61 Second Serial ATA (SATA) connector
P62 Third Serial ATA (SATA) connector
P63 Fourth Serial ATA (SATA) connector
P64 VSFF expansion connector
P65 Graphics option connector
P66 Fifth Serial ATA (SATA) connector
P67 Sixth Serial ATA (SATA) connector
P68 Seventh Serial ATA (SATA) connector
P69 Eighth Serial ATA (SATA) connector
P70 Primary (CPU) fan header for fansink
P71 Secondary CPU fan header for fansink
P80 Primary Serial Attached SCSI (SAS) connector
P81 Second Serial Attached SCSI (SAS) connector
P82 Third Serial Attached SCSI (SAS) connector
P83 Fourth Serial Attached SCSI (SAS) connector
P84 Fifth Serial Attached (SAS) connector
P85 Sixth Serial Attached (SAS) connector
P86 Seventh Serial Attached (SAS) connector
P87 Eighth Serial Attached (SAS) connector
P101 Security board connector, system board
P106 Secondary speaker connector
P124 Hood lock header
P125 Hood sensor header
P126 Flying parallel port header
P150 Media reader header
P216 White box chassis fan header
SW2 Security hood switch on riser card
SW50 Clear CMOS switch/push button
U2 Single chip solution (combined northbridge/southbridge)
U3 North bridge
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