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Why does my B5XX9P (PC9 pin serial) middle button not work?

April 26, 2017button middle pc9 Pin serial

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Why does my B5XX9P (PC9 pin serial) middle button not work?

1 Answer

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• The middle or auxiliary button is enabled by placing Dipswitch #5 (located under the lower label) on the bottom of the Mouse-Trak to off (left). By default, B5XX9P units are shipped in the Microsoft (2 button) mode. You must also load either a mouse systems driver or ITAC driver (Win95.zip) located on the technical support page to enable the third button feature.