On Sat, Mar 18, 2006 at 07:03:40PM +0100, Ekkard Gerlach wrote:
> A medicine ECG Win-software is connected to a IBM 50e laptop by vmware/WinXP
> with a prolific USB->serial adapter. The data stream is corrupted about 
> every 5 seconds. The same laptop booted with WinXP and all works well. 

Are you saying that Linux was the host OS for the vmware/WinXP session?
Or the guest os?

Which OS had the driver that was controlling the device in it?

> We tried the same WinXP/vmware constellation on a desktop PC 
> Barton 3000 / 1GB RAM machine and it didn't work either. 
> Also it's not a problem of processor power/ RAM!
> 
> The ECG connected to the serial device ttyS0 on the desktop PC works fine
> with vmware/WinXP. Also it's not a problem of vmware. 

How do you know for sure?  USB is vastly different from a plain serial
line for vmware to handle.

thanks,

greg k-h


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