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3.263 bytes |
Service Hints & Tips |
Document ID: JBAR-3VCSAD |
IBM PC300GL (Type 6561, 6591) - Slow CD-ROM performance with preloaded Bus Mastering driver
Applicable to: World-Wide
SYMPTOM:
When using the preloaded Intel Bus Master IDE device driver, users may notice reduced performance when using 32X CD-ROM drives.
PROBLEM ISOLATION AIDS:
This tip applies to IBM PC300GL Series 6561/6591 systems preloaded with Windows 95 OSR-2 and configured with a 32X CD-ROM drive.
The slowed CD-ROM performance condition may also be seen in other systems preloaded with Windows 95 OSR-2 and configured a 32X CD-ROM drive.
FIX:
Remove the preloaded Intel Bus Master IDE device driver and install the native Windows 95 IDE device driver.
To Remove the Intel Bus Master Driver:
1. Create the Intel Windows 95 Bus Master driver Z23T11A.EXE on a diskette from the RTC, or Click here to obtain the driver disk :- 
2. Insert the Intel Bus Master driver diskette into the A: drive.
3. Open a DOS window and type "a:setup". Press <Enter>.
4. After the install Wizard starts, click the NEXT button in the Welcome panel.
5. Click the DE-INSTALL button in the Select Components panel.
6. The driver will be de-installed. You will then be asked to restart Windows 95. Click "OK", and remove the diskette from the A: drive.
7. When the system reboots, the Update Device Driver Wizard will appear. Do NOT reinsert the Intel Bus Master driver diskette. Click NEXT, and the Wizard will locate the native Windows 95 OSR2.x driver "Intel 82371AB PCI Bus Master IDE Controller" on the hard disk. Click the NEXT button.
8. When prompted to restart the system, click YES. If there is more than one IDE device in the system, you may be prompted to restart Windows 95 more than once.
Windows and Windows 95 are trademarks of Microsoft Corporation.
SAS KEYWORDS:
PSY2 CDT CDTCDROM PSY2CDROM
D/T6561 D/T6591 6561 6591
CDROM 32XCDROM UNCLASSIFIED 88615
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Document Category |
CD-ROM Drives, Retain | |
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Date Created |
11-06-98 | |
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Last Updated |
12-06-98 | |
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Revision Date |
11-06-99 | |
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Brand |
IBM PC | |
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Product Family |
PC 300GL | |
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Machine Type |
6561, 6591 | |
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Model |
various | |
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TypeModel |
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Retain Tip (if applicable) |
H163817 | |
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Reverse Doclinks |