Article # 493, added by Geoworks, historical record
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I get Phar Lap err 10049: Ran out of stack buffers when I run Swat.



Q. Swat works fine in DOS, but it gives me errors when I try to run
   Swat in Windows 3.1. I get errors like "Can't contact PC: Call
   timed out" or "Phar Lap err 10049: Ran out of stack buffers".

A. You need to tell Windows the com port's IRQ level (port address
   will usually set itself correctly, but you might have to set this,
   too). You can do this in Control Panel. Select Ports, then
   the port number you are working with, then Advanced...
   The most common IRQ levels used by com ports are 3,4 and 5.