Diskette Drive Problems; General Problems - IBM BladeCenter JS21 Types 8844 Service Manual

Diskette drive problems

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, Types 7988 and 8844," on page 137 to determine which components are
CRUs and which components are FRUs.
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Symptom
Diskette drive activity LED stays
on, or the system bypasses the
diskette drive.

General problems

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, Types 7988 and 8844," on page 137 to determine which components are
CRUs and which components are FRUs.
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Symptom
A cover lock is broken, an LED
is not working, or a similar
problem has occurred.
Action
1. If there is a diskette in the drive, verify that:
v The diskette is inserted correctly in the drive.
v The diskette is good and not damaged. (Try another diskette if you have
one.) The drive light comes on (one-second flash) when the diskette is
inserted.
v The diskette contains the necessary files to start the computer.
v The diskette drive is enabled in the Configuration/Setup utility program.
v The software program is working properly.
v The cable is installed correctly (in the proper orientation).
2. To prevent diskette drive read/write errors, be sure the distance between
monitors and diskette drives is at least 76 mm (3 in.).
3. Reseat the following components:
a. Diskette drive cable.
b. Diskette drive
c. Media tray card
4. Replace the components listed in step 3 one at a time, in the order shown,
restarting the blade server each time.
Action
If the part is a CRU, replace it. If the part is a FRU, the part must be replaced by a
trained service technician.
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Chapter 2. Diagnostics