Microsoft KB Archive/259884

= UPS Goes into Battery Calibration Mode During a Windows 2000 Installation When UPS Is in Smart Signaling Mode =

Article ID: 259884

Article Last Modified on 2/20/2007

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APPLIES TO


 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Service Pack 1

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This article was previously published under Q259884



SYMPTOMS
When you install Windows 2000, certain uninterruptible power supplies (UPSs) that are in Smart Signaling mode may go into Battery Calibration mode. This behavior may cause the battery to drain.



CAUSE
This problem can occur when Window 2000 tries to detect a serial mouse during setup. When this occurs, Windows sends a &quot;D&quot; to the serial port, which causes some UPSs to go into Battery Calibration mode.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

The English-language version of this fix should have the following file attributes or later:   Date        Time    Size     File name -  06/21/2000  09:40p  229,264  Setupldr.bin



WORKAROUND
To work around this problem, disconnect the UPS before you run Setup from a CD-ROM installation. If you are deploying Windows by using an unattended installation, replace the Seupldr.bin file in the I386 folder with the Setupldr.bin file that is provided in this hotfix.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 2.

Keywords: kbbug kbfix kbwin2000presp2fix kbqfe KB259884

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