Win 98 Drive X is using an MS-DOS compatibility mode file system.

Rally1

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May 20, 2001
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Win 98 Asus A7V Maxtor HD on Promise ATA100 (builtin) controller. 3 logical drives. My drives are running in 'dos campatable mode'. Not sure why. Do i have to reinstall the promise drivers?


WINDOWS SAYS:

Compatibility mode paging reduces overall system performance.

Windows was unable to identify a real-mode driver or memory-resident program loaded in your Config.sys or Autoexec.bat file. You will see another message that lists the name of the driver or program causing the problem.
Because Windows could not identify the driver or program, it has switched to MS-DOS compatibility mode to ensure the program will run. However, this decreases overall performance. To improve performance, remove the program or driver causing the problem, or contact its manufacturer for an upgraded version.

Drive X is using an MS-DOS compatibility mode file system.

This problem often occurs on more than one drive. Usually it is caused by a driver listed in the Config.sys file that Windows does not recognize and that is related to the message Compatibility mode paging reduces overall system performance. If you see both messages, see the Help for the Compatibility mode paging reduces overall system performance message first.
If you only see the message Drive X is using an MS-DOS compatibility mode file system on one drive, that drive is using an MS-DOS compatibility (real-mode) driver, which may reduce that drive?s performance. Contact your hardware manufacturer to see if an updated driver is available for your drive. If not, the drive?s performance may be less than optimal, but you can still use it.
 

Rally1

Platinum Member
May 20, 2001
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:) that was quick, i found it.

for those that have same prob

i just reinstalled the promise drivers for the "PCI mass storage device" under device management.