I think it must something to do with some of the types of memory sticks.
I think so as well, there is a system where usb devices can be remembered by a pc so when they are plugged back in they are recognised. It is not fitted to all usb devices eg Belkin Wireless Adapters do not have it and must be plugged back into the same usb socket for them to work correctly. It may just be that you have a usb drive that cannot be remembered by the pc so it assigns a new drive letter because it thinks that each time you plug it in it is a different USB Drive.
Aha - it wasn't the Flash drive but the way the USB controler had been set to write to the drive.
There are 2 options in XP for the way it caches the data ... to allow quick "hot plug and play" which caches the data so you can rip the drive out without data loss and a "non cached mode" which requires the drive to be stopped and disconnected via the icon on the task bar ... it was set to the first .. changing to the latter has now allowed the drive to be stopped and then retain the drive designation when re-inserting.
Windows Explorer > Right Click the USB Drive > Properties > Hardware Tab > Click on the USB Drive > Properties button > Policies Tab... the 2 methods are listed as "optimize for quick removal" or "optimize for performance"
I went with the latter requiring the "disconnect" routine but speeding up writing and retaining the drive letter.
Too true - only vaguely remembered it from one of those "I'm bored so lets go exploring around XP" type ventures months back ... I really should get out more
How on earth you are meant to find these things beggars belief at times though
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