e. Slide the unit half-way into the tower. Ensure that the device does not
contact the backplane at this time.
f. Press the Enter key on the console. After the delay time, the light above the
device location will begin flashing . You now have 9 seconds to insert the
disk unit. Put the disk unit part way into the desired slot and rotate the
handle of the disk unit towards you. Then push the disk unit completely
into the slot and rotate the handle towards the disk unit to latch it into the
slot.
Attention: If you install the device when the light is not flashing, data may
be lost, the disk unit may be damaged, or the backplane may be damaged.
Note: The light above the device location will go off and remain off for a
few seconds when the device contacts the backplane. Then it should
go on and remain on.
g. Replace the covers that were removed during this procedure and return to
the procedure that sent you here.
This ends the procedure.
FC 5074, FC 5079 – Disk Unit – Dedicated
Note: Determine if the system has logical partitions. Go to “Determining if the
System Has Logical Partitions” on page 943, before continuing with this
procedure.
Attention: The disk unit is sensitive to electrostatic discharge (see “Appendix C.
Working with Electrostatic Discharge-Sensitive Parts” on page 955).
1. Were you directed here from “Recovery Procedures” on page 893?
Yes No
↓ Go to “Recovery Procedures” on page 893.
2. After you have determined the location of the disk unit to replace, remove the
front covers for access (see “FC 5074, FC 5079, FC 9079 – Covers” on page 623).
3. Remove the EMC access plate that is over the location of the disk unit that you
are removing. For location information, see “Locations — FC 5074 I/O Tower”
on page 736.
4. To remove a disk unit using dedicated maintenance perform the following:
a. Power off the system (see “Powering On and Powering Off the System and
Logical Partitions” on page 922).
b. Disconnect the power cord.
c. To remove the disk unit, pinch the two surfaces of the latching mechanism
together and pull the handle towards you to release the disk unit from the
slot.
d. Remove the unit from the tower.
Remove and Replace Procedures
Chapter 4. Removal and Installation Procedures 629
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