Hello,
GuruPlug JTAG I/F is not recognized from standard FTDI drivers on WXP (
http://www.ftdichip.com/Drivers/CDM/CDM20602.zip )
So reading
http://www.ftdichip.com/Documents/AppNotes/AN_107_AdvancedDriverOptions_AN_000073.pdf I added the following lines to .inf driver installation files and it worked fine:
FTDIBUS.INF
[FtdiHw]
%USB\VID_9E88&PID_9E8F&MI_00.DeviceDesc%=FtdiBus.NT,USB\VID_9E88&PID_9E8F&MI_00
%USB\VID_9E88&PID_9E8F&MI_01.DeviceDesc%=FtdiBus.NT,USB\VID_9E88&PID_9E8F&MI_01
[FtdiHw.NTamd64]
%USB\VID_9E88&PID_9E8F&MI_00.DeviceDesc%=FtdiBus.NTamd64,USB\VID_9E88&PID_9E8F&MI_00
%USB\VID_9E88&PID_9E8F&MI_01.DeviceDesc%=FtdiBus.NTamd64,USB\VID_9E88&PID_9E8F&MI_01
[Strings]
USB\VID_9E88&PID_9E8F.DeviceDesc="SheevaPlug JTAGKey FT2232D B"
USB\VID_9E88&PID_9E8F&MI_00.DeviceDesc="SheevaPlug JTAGKey FT2232D B Port A"
USB\VID_9E88&PID_9E8F&MI_01.DeviceDesc="SheevaPlug JTAGKey FT2232D B Port B"
FTDIPORT.INF
[FtdiHw]
%VID_9E88&PID_9E8F.DeviceDesc%=FtdiPort2232.NT,FTDIBUS\COMPORT&VID_9E88&PID_9E8F
[FtdiHw.NTamd64]
%VID_9E88&PID_9E8F.DeviceDesc%=FtdiPort2232.NTamd64,FTDIBUS\COMPORT&VID_9E88&PID_9E8F
[Strings]
VID_9E88&PID_9E8F.DeviceDesc="SheevaPlug JTAGKey FT2232D B Serial Port"