diff --git a/Projects/AVRISP-MKII/AVRISP-MKII.txt b/Projects/AVRISP-MKII/AVRISP-MKII.txt index 71ef387a1c..1ac602bdf7 100644 --- a/Projects/AVRISP-MKII/AVRISP-MKII.txt +++ b/Projects/AVRISP-MKII/AVRISP-MKII.txt @@ -78,6 +78,14 @@ * is present, writing further EEPROM data causes corruption. * LUFA issue tracker entry. * + * \par Does not work with Atmel Studio 6.2 or newer in some cases. + * If the libUSB filter driver is used to bind both libUSB and Jungo drivers to the clone device at the same time, it will + * no longer work in Atmel Studio 6.2 and newer. This is due to a change in the latter; Atmel Studio now supports both + * drivers for various tools, but while the libUSB driver is given preference the inner workings of Atmel Studio cannot + * communicate with the AVR-ISP MKII with libUSB (this is true for the genuine tool also). Uninstall the filter driver and + * install only the standard libUSB driver, or Jungo driver. The \c RESET_TOGGLES_LIBUSB_COMPAT compile option (detailed + * below) is a suitable workaround to this issue. + * * \section Sec_Installation Installation * The programmer supports multiple platforms, both Windows and Linux. *