Computer with IDE DMA Hard Disk Hangs When Resumed

ID: Q193473

The information in this article applies to:

SYMPTOMS

When a Windows 98-based computer is placed into Standby mode and then resumed, the computer may stop responding (hang) if it contains an Integrated Drive Electronics (IDE) hard disk that is accessed using Direct Memory Access ([DMA], which is also known as Bus Mastering).


CAUSE

When it resumes, Windows 98 issues an incorrect wakeup command sequence to an IDE hard disk that uses DMA.

This problem has been reported to occur with the following portable computers running Windows 98:



RESOLUTION

A supported fix that corrects this problem is now available from Microsoft, but has not been fully regression tested and should be applied only to computers experiencing this specific problem. To resolve this problem immediately, contact Microsoft Technical Support to obtain the fix. If you are not severely impacted by this specific problem, Microsoft recommends that you wait for the next service pack that contains this fix.

For a complete list of Microsoft Technical Support phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/support/supportnet/default.asp

This fix should have the following file attributes (or later): 


   File name     Version    Date      Time     Size
   ---------------------------------------------------------
   Esdi_506.pdr  4.10.2001  9/28/98   8:01pm   24,430 bytes
   Ios.vxd       4.10.2001  9/28/98   8:01pm   69,478 bytes


NOTE: If you contact Microsoft to obtain this fix, a fee may be charged. This fee is refundable if it is determined that you only require the fix you requested. However, this fee is non-refundable if you request additional technical support, if your no-charge technical support period has expired, or if you are not eligible for standard no-charge technical support.

For more information about eligibility for no-charge technical support, see the following article in the Microsoft Knowledge Base:
ARTICLE-ID: Q154871
TITLE: Determining If Your Product Is Eligible for No-Charge Technical Support


STATUS

Microsoft has confirmed this to be a problem in Microsoft Windows 98.


Keywords          : kbhw win98 winapm 
Version           : WINDOWS:98
Platform          : WINDOWS 
Issue type        : kbprb

Last Reviewed: January 30, 1999