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Problems Using COM3 or COM4 on a Gateway Computer

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Article ID:118688
Last Review:November 15, 2006
Revision:1.1
This article was previously published under Q118688

SYMPTOMS

You do not have access to the COM3 or COM4 port on your Gateway computer.

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CAUSE

Some Gateway computers do not release the interrupt when they are finished using COM1 or COM2, thus preventing Windows 95 from using COM3 or COM4.

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WORKAROUND

1.Consult your hardware manual or Gateway Technical Support for assistance setting the extended COM port to use an interrupt other than 3 or 4.

NOTE: Most Gateway computers support IRQ 2, 5, and 7.
2.In Windows 95, use Device Manager to change the settings for the COM port as follows:

a. Click the Start button, point to Settings, then click Control Panel.
b. Double-click the System icon.
c. Click the Device Manager tab.
d. Click the PLUS SIGN (+) to expand the Ports listing, then double- click the appropriate communications port.
e. Click the Resources tab, then double-click the Interrupt Request option.
f. Choose an IRQ other than 3 or 4.

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MORE INFORMATION

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

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APPLIES TO
•Microsoft Windows 95

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Keywords: 
KB118688

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