Microsoft KB Archive/250259

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Adaptec SCSI Controller in ACPI Mode Causes Standby to Fail

Article ID: 250259

Article Last Modified on 1/27/2007


  • Microsoft Windows Millennium Edition

This article was previously published under Q250259

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When you use Windows Millennium Edition (Me), and your computer enters Standby mode, it suddenly exits Standby and restores your desktop.


This behavior can occur because the system installation used the /P J switch, which forces the Advanced Configuration and Power Interface (ACPI). The system enters Standby mode when running in the Advanced Power Management (APM) mode. The Standby mode is denied by the Adaptec SCSI controller. The AHA-2940u/AHA-2940W PCI controller cannot enter a low power state. In ACPI, the system wants to go to a lower sleep state than APM (S2-4 versus S1).

The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.


This behavior is by design.

Additional query words: HWSYSAPM HWSNDTS winmil

Keywords: kbprb KB250259