MS-DOS Compatibility Mode on National Semiconductor Controller

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SUMMARY

Device Manager may display an exclamation point (!) in a yellow circle for a controller labeled "National Semiconductor Dual PCI IDE Controller RMM Support Only." When this occurs, an exclamation point may also be displayed for COM2.

MORE INFORMATION

The driver included with Windows 95 does not provide protected-mode support for the National Semiconductor Dual Channel PCI IDE Controller. All drives using this controller use the real-mode mapper (RMM).

An updated Windows 95 driver that provides protected-mode support for the National Semiconductor Dual Channel PCI IDE Controller is available from Tekram Technology.

APPLIES TO

Microsoft Windows 95

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kbhardware kbprb KB153164

Retired KB Content Disclaimer

This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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