In article <9509220540.AA04182@aeem1.iastate.edu> ccsanady@iastate.edu
(Chris Csanady) writes:

   [...].  my machine is a 486/66/pci with a 3com509 and ncr scsi if it
   matters much.

   also, my friends machine seems to lock up at random, and the 
   scsi access led stays lit indefinately.  this much more than annoying. :(
   his machine is almost identical to mine except he has a 586 and uses
   the wd ethernet driver.  Our configs are almost identical too.

Could you try the latest version of the NCR SCSI driver, and let me
know whether or not this problem persists?