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FTDIBUS.INF
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In order that Windows successfully match a device with the driver, the VID and PID programmed into the device must be listed in the driver INF file. The following sections of FTDIBUS.INF must be amended to match the desired VID and PID combination:

   [FtdiHw]
   %USB\VID_0403&PID_6001.DeviceDesc%=FtdiBus,USB\VID_0403&PID_6001

   [FtdiHw.NTamd64]
   %USB\VID_0403&PID_6001.DeviceDesc%=FtdiBus.NTamd64,USB\VID_0403&PID_6001


Also, in the case of the FTDIBUS.INF file FT2232 devices must have each interface listed as follows:

   [FtdiHw]
   %USB\VID_0403&PID_6010&MI_00.DeviceDesc%=FtdiBus,USB\VID_0403&PID_6010&MI_00
   %USB\VID_0403&PID_6010&MI_01.DeviceDesc%=FtdiBus,USB\VID_0403&PID_6010&MI_01

   [FtdiHw.NTamd64]
   %USB\VID_0403&PID_6010&MI_00.DeviceDesc%=FtdiBus.NTamd64,USB\VID_0403&PID_6010&MI_00
   %USB\VID_0403&PID_6010&MI_01.DeviceDesc%=FtdiBus.NTamd64,USB\VID_0403&PID_6010&MI_01


The device description string may be modified to display a custom device port name in the device manager if so desired in the section listed below:

   [Strings]
   USB\VID_0403&PID_6001.DeviceDesc="USB Serial Converter"

and for FT2232 devices:

   [Strings]
   USB\VID_0403&PID_6010&MI_00.DeviceDesc="USB Serial Converter A"
   USB\VID_0403&PID_6010&MI_01.DeviceDesc="USB Serial Converter B"


A sample FTDIBUS.INF file is included in the appendix.