Compaq Compaq Portable II Anleitung zur Fehlerbehebung PDF herunterladen (Seite 24)

the problem. After completing each step, run the DIAGNOSTICS Program to

verify that the error condition has been corrected. If the error code

reappears, perform the next step, then run the DIAGNOSTICS Program. Continue

until the DIAGNOSTICS Program no longer detects an error condition.

The error codes are in the form of AYY - XX or AAYY - XX. A or AA represents

the faulty subassembly. YY denotes the test or action that failed. XX

denotes a specific problem. For example, error code 603 - 07 indicates that

the diskette drive write/read/compare test failed.

For assistance in the removal and replacement of a particular subassembly, see

Chapter 8, "Removal and Replacement Procedures."

Table 6-2. Central Processing Unit Error Codes (1xx - xx Range)

==============================================================================

Error

Code Error Description Recommended Action

------------------------------------------------------------------------------

101 - 01 Central Processing Unit Replace the system board and retest

for error code 101 - 01

------------------------------------------------------------------------------

102 - 01 Numeric coprocessor The following steps apply to error

initial status word codes 102 - 01 through 102 - 15:

incorrect

1. Verify jumper setting.

102 - 02 Numeric coprocessor 2. Verify coprocessor is the

initial control word proper speed.

incorrect 3. Replace the coprocessor

and retest.

102 - 03 Numeric coprocessor 4. Replace the system board

tag word not all ones and retest.

102 - 04 Numeric coprocessor

tag word not all zeros

102 - 05 Numeric coprocessor

exchange command failed

102 - 06 Numeric coprocessor

masked exception

incorrectly handled

102 - 07 Numeric coprocessor

unmasked exception

incorrectly handled

------------------------------------------------------------------------------

Error

Code Error Description Recommended Action

------------------------------------------------------------------------------

102 - 08 Numeric coprocessor The following steps apply

wrong mask bit set in to error codes 102 - 01

status register through 102 - 15:

102 - 09 Numeric coprocessor 1. Verify jumper setting.

unable to store real 2. Verify coprocessor is the

number proper speed.

3. Replace the coprocessor

102 - 10 Numeric coprocessor and retest.

real number calculation 4. Replace the system board

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