just to waste some time, I shall write it in this quick reply box...

 Code:
for $charcode=65 to 90
 $driveConnectedTo = readvalue("HKCU\Network\"+chr($charcode),"RemotePath")
 if instr($driveConnectedTo,"\\")
  ? "Drive " + chr($CharCode) + " is PERSISTENTLY connected to: " + $driveConnectedTo
 endif
next


just like the original poster suggested, the info is in the registry.
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