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Service Hints & Tips

Document ID: RMIE-3BKKZB

IBM PC730/PC750 - 32-bit disk access errors with CD-ROM installed

Applicable to: World-Wide

Symptom :
IBM PC 700 Series 6877 & 6887 systems may exhibit random 32-Bit Disk Access errors using Microsoft Windows for Workgroups 3.11 with a CD-ROM drive installed.

Problem Isolation Aids :
The drive configuration of the 6877/6887 consists of an IDE hardfile on the Primary port as MASTER and an IDE CD-ROM drive on the Primary port as SLAVE. No other drives installed.

When 32-Bit Disk Access is enabled in Windows for Workgroups, and commands are sent to the IDE hardfile, the CD-ROM drive may attempt to respond, causing 32-Bit Access errors.

Fix :
Disable Windows for Workgroups 32-Bit Disk Access.
- OR -
Remove the CD-ROM drive from the Primary IDE port connector and install it on the Secondary IDE connector on the system board. Set the jumper on the IDE CD-ROM for MASTER.

SAS Keywords :
PSVP PSY2 PSVPPROG PSY2PROG
PSVPERR PSY2ERR PC 730 IBMPC
PC 750 D/T6586 32 BIT
49784 UNCLASSIFIED PSVPCDROM PSY2CDROM
PSVPFDSK PSY2FDSK

Search Keywords

Hint Category

CD-ROM Drives, DOS/Windows 3.x, Retain

Date Created

19-11-96

Last Updated

25-01-99

Revision Date

23-04-99

Brand

IBM PC

Product Family

PC 730, PC 750

Machine Type

6877, 6887

Model

Various

TypeModel

Retain Tip (if applicable)

H135198

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