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It's not a security issue, IBM publishes this information in the Hardware Maintenance Manual. I had just written this information up for inclusion into the FAQ and was about to send this info out to the list when I read your message. IBM does not keep this information secret, and since it's not something you can do in 5 seconds I don't think there's any real danger in giving it out. It follows in the next message. Joshua Hosseinoff hosseino@yu1.yu.edu On Sun, 12 Mar 1995, Rohan Davidson wrote: > On Sat, 11 Mar 1995, jesse montrose wrote: > > > I have a 755cs, and I was playing around with the poweron password. I set > > it, and it works great.. > > I can't change or remove it though. When I go into the initial setup > > screen, I can change the supervisor or drive passwords (they're both empty > > tho') but the poweron password is dimmed.. > > Any ideas? > Sorry Jesse can't really help much here, though I accidentally fell on a > crack for it. Now comes the ethical bit. > > I know how to defeat the poweron password. On the 360 at least. It's a > major security issue I guess I should take up with big blue. However, > I'm sure it's valuable information to the list to know it's not > foolproof. I do however have serious qualms about posting the solution > to the list, because there are too many hardware maintainers out there > to whom it may be potentially lucrative. > > For now, I will not make the crack public. Do we have a consensus on > whether it should die with me, or on the other extreme go in the FAQ > B.8. Power on password - not. > >