Microsoft KB Archive/69682

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Dell Keyboard Controller Version B50 in Standard and Enhanced

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Q69682

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The information in this article applies to:


 * Microsoft Windows versions 3.0, 3.0a

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SYMPTOMS
When you start your Dell System 200, 220, 300, 310, or 325, you receive an error message stating that the system was unable to install the A20 handler and that HIMEM.SYS could not be loaded.

CAUSE
According to Dell technical support, the Dell 200, 220, 300, 310, and 325 have trouble getting into standard or enhanced mode if they have a keyboard controller version B47 or earlier.

RESOLUTION
You need to contact Dell technical support and obtain an upgrade to the latest keyboard controller version B56, which correctly deals with the A20 handler. Dell keyboard controller versions B50 through B56 work properly with Windows 3.0 in standard or enhanced mode.

MORE INFORMATION
Contact Dell technical support for more information.

The Dell products included here are manufactured by a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Additional query words: 3.00 3.0 3.0a 3.00a win30 KBHW

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Issue type :

Technology : kbWin3xSearch kbWin300 kbWin300a