Renesas Technology, Tools FAQs
Last Updated: October 5, 2001
Document Number: 01092005_e
M32C/80, M16C/80 series M16C/60, 30, 20, 10 series 79xx series 77xx series 740 family
Q.
The wizard for adding a USB driver starts up when connecting a USB cable of PC4701U to a PC. Why isn't the driver installed
automatically?
A.
When installing a USB interface to PC4701U, you must use the Renesas-dedicated device driver (Musbdrv.sys).
Because this is a Renesas-dedicated driver, Windows will request driver installation the first time the PC4701U is connected to the
computer. However, common devices, such as keyboards, mouse devices, etc, are pre-defined as standard device-class, and are
recognized automatically.
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