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Service Hints & Tips

Document ID: GSMH-3G2K9F

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IBM PS/2 - SCSI adapter in 8550,8555 model 031

Applicable to: World-Wide

Symptom:
Certain PS/2 SCSI adapters may fail when installed in an 8550 or 8555 configured with a 30MB (ST506 interface) fixed disk drive, and an attached external SCSI fixed disk drive. Affected SCSI adapters fail at power at 'Power On' and when using DOS, a 'Bad or missing command interpreter' message appears. A similar appropriate message appears when using other Operating Systems.

Problem Isolation Aids:
Affected SCSI adapters are marked with 64F1356 located in the top right corner on the component side of the card.

Fix:
Should the above conditions exist, replace the PS/2 SCSI adapter, FRU P/N15F6561.

SASKEYWORDS:
PSY2 PSY2ADPT PSY2FDSK 8550SYSADPT
8550SYSFDSK 8555SYSADPT 8555SYSFDSK 8550SYSDIAG
8555SYSDIAG PSY2DIAG

Search Keywords

Hint Category

SCSI

Date Created

05-04-94

Last Updated

01-05-98

Revision Date

27-01-99

Brand

IBM PC

Product Family

PS/2

Machine Type

8550, 8555

Model

various

TypeModel

Retain Tip (if applicable)

H005069

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