Figure 46. Disconnecting the front SAS cables
8. Ensure that all cables are carefully positioned out of the way, such that the disk drive backplane can
be easily lifted and removed.
9. Carefully unscrew the captive thumbscrew (A) of the disk drive backplane until fully loose as shown
in Figure 47 on page 53.
If needed, use a Phillips screwdriver to loosen the screws.
52 Power Systems: Power Systems: Drive backplanes