IBM Types 2193, Hardware Maintenance Manual

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If a newly replaced FRU does not correct the problem: If
you have reached this point of the check procedures and
were instructed to replace a FRU but doing so did not correct
the problem, reinstall the original FRU and go through "Start"
again.
If you want to print a copy of a BIOS Setup Utility screen to an
attached printer, press Print Screen key, while the screen is
displayed.
PLEASE READ THE FOLLOWING:
Human Error is a cause for concern when
applied to check procedures. It exists in every
first time set of analysis procedures. It is
therefore essential for effective and time-
efficient servicing that each stage of every
procedure be verified. (For example: When a
symptom is found, or when a symptom appears
to have been cured; the preceding steps should
be repeated for accuracy of analysis.)
001 - START
To begin, note the following:
q
Disable the setting of “Quick Power-On Self Test” from
BIOS Setup.
q
Disconnect all external cables and devices including
speakers and microphone from the system unit, except
for the keyboard, mouse, and monitor.
q
Power off the system unit before moving it or when
replacing FRUs.
q
Remove all adapter cards, except for the factory-
installed modem adapter card and any other IBM
factory-installed adapter cards.
q
Disconnect any drives except:
q
3.5-in. diskette drive
q
Hard disk drive
q
Factory-installed devices (such as a CD-ROM drive)
q
Make sure that all power cords and cables are
connected properly.
q
Make sure that the monitor brightness and contrast
controls are not turned down.
q
Power on the system unit.
NOTE: Some monitors have a detachable system I/O
signal cable between the monitor and the system
unit. In this case, check this signal cable before