Asus ESC700 G2 - Manual (Page 35)

2-17 ASUS ESC700 G2
Use either the 15-pin SATA power connector OR the legacy 4-pin power
connector. DO NOT use both to prevent damage to components and to keep
the system from becoming unstable.
5. Connect a 7-pin SATA cable (from the
motherboard SATA port) and a 15-pin
power plug (from the power supply unit)
to the back connectors of the hard disk
drive.
6. Reinstall the front panel cover and side
covers when done.