Microsoft KB Archive/85078

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Windows: Sleep Mode and 32-Bit Disk Access

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Q85078

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The information in this article applies to:


 * Microsoft Windows versions 3.1, 3.11

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SUMMARY
Most machines that have a sleep mode cannot effectively use 32-bit disk access. This is true whether the machine implements a &quot;full sleep mode&quot; or a sleep mode that affects only the hard disk. All sleep modes turn off the hard disk as a minimum, and turning off the hard disk effectively disables the functionality of 32-bit disk access.

MORE INFORMATION
There are a small number of machines on which 32-bit disk access can be enabled even though they have a hard disk sleep mode. This feature is machine specific; you must contact your computer manufacturer to verify whether or not your machine has this feature.

The Microsoft Windows User's Guide states the following:

"CAUTION: Using 32-bit disk access may be unreliable on some battery-powered portable computers when the computer's power-saving features are enabled."