IBM Power System POWER7 Series Common Service Procedures page 100

d. Locate the concurrent maintenance light that corresponds to the position of the disk drive that
you are replacing.
Important: When you press Enter, after a one minute delay, this light comes on and begins to
blink rapidly. You then have nine seconds to remove the disk drive.
e. Press Enter on the console.
f. When the light blinks rapidly, perform the next step to remove the disk drive within 9 seconds.
10. Remove the disk drive by:
a. Unlock the disk drive handle by squeezing it and pulling it out toward you as shown.
b. Support the bottom of the disk drive as you slide it out of the system or expansion unit. Do not
hold the disk drive by the handle.
The concurrent maintenance light for the slot turns off when you remove the disk drive.
11. Loosen and pull out on the thumbscrew (B) to release the disk-drive bezel (C) from the disk drive,
as shown in the graphic.
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