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Service Hints & Tips |
Document ID: GSMH-3EGCYR |
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IBM PS/2 - Background speaker noise
Applicable to: World-Wide
Symptom:
Some 8556/57 and 9556/57 systems may exhibit low volume background speaker noise that alters during screen refresh or mouse movement.
Problem Isolation Aids:
Problem is specific to 85xx and 95xx 56/57 models. Symptoms will probably be most noticable when switching from one application session to another.
Fix:
Two cable jumpers have been released to modify the speaker cable wiring. The jumper should be plugged between the speaker cable socket on the planar and the speaker cable connector.
Details are as follows:
FRU P/N 8130978 (8 pin jumper for i386 8556/8557 systems)
FRU P/N 8130979 (12 pin jumper for i486 9556/9557 systems)
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Hint Category |
Audio | |
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Date Created |
13-09-95 | |
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Last Updated |
08-05-98 | |
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Revision Date |
27-04-99 | |
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Brand |
IBM PC | |
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Product Family |
PS/2 | |
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Machine Type |
8556, 8557, 9556, 9557 | |
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Model |
all | |
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TypeModel |
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Retain Tip (if applicable) |
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