Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!dsinc!netnews.upenn.edu!vax1.cc.lehigh.edu!cert.sei.cmu.edu!krvw From: Michael_Kessler.Hum@mailgate.sfsu.edu Newsgroups: comp.virus Subject: Sudden reboot (PC) Message-ID: <0013.9011141856.AA23262@ubu.cert.sei.cmu.edu> Date: 12 Nov 90 20:32:00 GMT Sender: Virus Discussion List Lines: 5 Approved: krvw@sei.cmu.edu I had the opposite problem on a Zenith 386SX, which, when optimized with QEMM, would freeze. It turns out that the Zenith has a "slush ROM" that it writes to high RAM, and the area it writes to should not be used for anything else. Try excluding E000-E7FF from use in high RAM. That might solve the problem.