IBM 9228 Service Guide - Page 106

Exception, microprocessor problems. - ram

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A single problem might cause more than one error message. When this occurs, correct the cause of the first error message. The other error messages usually will not occur the next time POST runs. Exception: If there are multiple error codes that indicate a microprocessor error, the error might be in a microprocessor or in a microprocessor socket. See "Microprocessor problems" on page 112 for information about diagnosing microprocessor problems. Table 6. POST beep codes 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 9228 and 9232," 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. Beep code Description Action 1-1-2 Microprocessor register test has failed. (Trained service technician only) Replace the microprocessor. 1-1-3 CMOS write/read test has failed. 1. Reseat the battery. 2. Clear CMOS. See "Erasing a lost or forgotten password (clearing CMOS)" on page 145 for information about how to clear CMOS. 3. Replace the following components one at a time, in the order shown, restarting the computer each time: a. Battery b. (Trained service technician only) System board 1-1-4 BIOS read-only memory (ROM) checksum has failed. 1. Recover the BIOS code. 2. (Trained service technician only) Replace the system board. 1-2-1 Programmable interval timer test has failed. (Trained service technician only) Replace the system board. 1-2-2 DMA initialization has failed. (Trained service technician only) Replace the system board. 1-2-3 DMA page register write/read test has failed. (Trained service technician only) Replace the system board. 1-2-4 RAM refresh verification has failed. (Trained service technician only) Replace the system board. 88 IBM IntelliStation Z Pro Type 9228 and 9232: Problem Determination and Service Guide

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A single problem might cause more than one error message. When this occurs,
correct the cause of the first error message. The other error messages usually will
not occur the next time POST runs.
Exception:
If there are multiple error codes that indicate a microprocessor error,
the error might be in a microprocessor or in a microprocessor socket. See
“Microprocessor problems” on page 112 for information about diagnosing
microprocessor problems.
Table 6. POST beep codes
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 9228 and 9232,” 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.
Beep code
Description
Action
1-1-2
Microprocessor register test has failed.
(Trained service technician only) Replace
the microprocessor.
1-1-3
CMOS write/read test has failed.
1.
Reseat the battery.
2.
Clear CMOS. See “Erasing a lost or
forgotten password (clearing CMOS)” on
page 145 for information about how to
clear CMOS.
3.
Replace the following components one
at a time, in the order shown, restarting
the computer each time:
a.
Battery
b.
(Trained service technician only)
System board
1-1-4
BIOS read-only memory (ROM) checksum
has failed.
1.
Recover the BIOS code.
2.
(Trained service technician only)
Replace the system board.
1-2-1
Programmable interval timer test has failed.
(Trained service technician only) Replace
the system board.
1-2-2
DMA initialization has failed.
(Trained service technician only) Replace
the system board.
1-2-3
DMA page register write/read test has failed.
(Trained service technician only) Replace
the system board.
1-2-4
RAM refresh verification has failed.
(Trained service technician only) Replace
the system board.
88
IBM IntelliStation Z Pro Type 9228 and 9232: Problem Determination and Service Guide