How to update OsTech ds01 m odules 
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precondition:
- Windows PC with serial interface
- serial cable
- OsTech driver and update software
- OsTech module REV: 2007 or later
  proceeding:
- connect the driver with the PC over the RS232 cable,
  test whether you can communicate
- install the flashmagic software
- start the flashmagic program, adjust Port Number, BaudRate(recmd. 19200), 
  device option at 89V51RD2, interface is None, activate 'Erase all Flash' 
  and 'Prog Clocks Bit' and brows in the 'Hex File:'-window to the 
  adequate hex-file
- Deselect in menu Options-Advanced Option-Use DTR to control RST.
- switch the module OFF, disconnect all load from the OsTech module!!!
- press 'Start' in the flashmagic software, after a while you see a popup 
  window with 'reset the Device'.
- after this switch ON the OsTech module. Now within 400ms the device should 
  connect and start automaticly the update. It may take about 2 minutes with 
  19200 Baud, at the status line you may watch the progress, wait till you 
  see 'finished' at status line.
- if the name of your hex-file has no serial mark ("SNxxxxx"), you need to 
  programm it one time with the "GVPNxxxxx" command

