ASUS P5GZ-MX 1-29
3. Serial ATA connectors
(7-pin SATA1, SATA2, SATA3, SATA4)
These connectors are for the Serial ATA signal cables for Serial ATA
hard disk drives.
When using the connectors in Standard IDE mode, connect the primary
(boot) hard disk drive to the SATA1/2 connector. Refer to the table
below for the recommended SATA hard disk drive connections.
Serial ATA hard disk drive connection
Connector Color Setting Use
SATA1/2 Red Master Boot disk
SATA3/4 Black Slave Data Disk