Sadly - I had not ... BUT - I just tried "acpi=off" and no difference. I'll try what ever iterations I can come up with ... The BIOS of the PE6400 is 'current' as are the other three devices that show at POWER ON. Joe On Feb 21, 2007, at 9:17 AM, Will McDonald wrote: > On 21/02/07, Joe Kazura <joe.kazura at unh.edu> wrote: >> This is my first post ... I *HAD* been trying to get RHEL AS 4 >> onto this >> Dell PE 6400/700, but it just wouldn't go without some weird >> tweaking. >> >> A reboot (or shutdown -r now) follows through to " ", but the >> machine never >> restarts - it appears to freeze (num-lock works, key-caps does not >> and >> Ctrl-Alt-Del does nothing) - I have to press and hold the power >> button to >> force a restart. > > Have you tried booting the box (and then rebooting) with one/some/all > of the various APIC/ACPI options? e.g. "noapic noacpi apic=off > acpi=off"? > > And is your BIOS firmware up to date? > > Will. > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos