Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!mcsun!ukc!uos-ee!ee.surrey.ac.uk!D.Heale From: D.Heale@ee.surrey.ac.uk (David Charles Heale) Newsgroups: comp.os.minix Subject: Demo disk on Amstrad PPC512 Message-ID: <1991Jun14.095241.26365@EE.Surrey.Ac.UK> Date: 14 Jun 91 09:52:41 GMT Sender: news@EE.Surrey.Ac.UK (Usenet News Service) Reply-To: D.Heale@ee.surrey.ac.uk (David Charles Heale) Organization: University of Surrey, Guildford, England GU2 5XH. Lines: 24 I have been attempting to run the Minix 1.5 demo disc recently posted on comp.binaries.ibm.pc on an Amstrad PPC512 unsuccessfully. When I press = or u to start minix the error message given is: Nonmaskable interrupt process number -9, pc=0x0060:0x00000A55 Kernel panic: exception in kernel,mm or fs The machine has a V30 cpu, 512K RAM, two 720k 3.5" discs and an LCD CGA display. The technical manual indicates that NMI can be caused by RAM parity errors, the 8087 (not fitted) or the expansion bus I/OCHCK ( nothing connected to the bus).and that it is disabled on reset. The same disc immage will run on a 386 machine with 1M ram from a 1.2Mbyte but as it has a 5.25" drive A I cannot try the same disc on it. I have tried writing the boot disc for the Amstrad on both machines and using a root file system on a separate disc but this does not make and difference. If anyone has any information about this proplem, or if minix will run on the PPC512 at all please could you let me know. Thanks, David Heale.