IBM 7940, Руководство по диагностике и обслуживанию, Страница: 101 / 160

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, Type 7940 and 7941 servers,” on page 19 to determine which components
are customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Error code Description Action
01298200 Processor speed mismatch. Make sure that all microprocessors have the same
number of cores, cache size and type, clock speed,
and clock frequencies (see “Using the
Configuration/Setup Utility program” on page 15).
19990301 Hard disk sector error.
1. Reseat the hard disk drive.
2. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Hard disk drive
b. (Trained service technician only) System
board
19990305 An operating system was not found.
1. Make sure that a bootable operating system is
installed.
2. Run the hard disk drive diagnostic test.
3. Reseat the hard disk drive.
4. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Hard disk drive
b. (Trained service technician only) System
board
Checkout procedure
The checkout procedure is the sequence of tasks that you must follow to diagnose
a problem in the server.
About the checkout procedure
Before performing the checkout procedure for diagnosing hardware problems,
review the following information:
v
Read the safety information that begins on page vii.
v
The diagnostic programs provide the primary methods of testing the major
components of the server, such as the system board, Ethernet controller,
keyboard, mouse (pointing device), serial ports, and hard disk drives. You can
also use them to test some external devices. If you are not sure whether a
problem is caused by the hardware or by the software, you can use the
diagnostic programs to confirm that the hardware is working correctly.
v
When you run the diagnostic programs, a single problem might cause more than
one error message. When this happens, correct the cause of the first error
message. The other error messages usually will not occur the next time you run
the diagnostic programs.
Exception: If there are multiple error codes or error LEDs that indicate a
microprocessor error, the error might be in the microprocessor or in the
Chapter 5. Diagnostics
83