I've bought a new motherboard and Athlon 1800 chip. Running RH8 seup from the CD, I get as far as this:

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CPU: AMD Athlon(tm) XP 1800+ stepping 01
Enabling fast FPU save and restore... done
Enabling unmasked SIMD FPU exception support... done
Checking 'hlt' instruction... OK
Checking for popad bug... OK
POSIX conformance testing by UNIFIX
enabled ExtINT on CPU#0
ESR value before enabling vector: 0000002

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I've checked aroud here (and google), and the concensus is that it's a problem with the APIC (Advanced Programmable Interrupt Controller (bus)).

I've tried:
linux noprobe noathlon apic=no mem=131072 nosmp
...in various connotations, as people have suggested in other posts. I've also disabled PnP in the bios, along with virtually everything else I could, but to no avail.

Does anyone else have anything else to suggest?

Ironically, RH8 works fine from the install created from my old machine, but I will need to re-install it shortly when I get a bigger hard drive.

Why not clone it to the new drive rather than install then?

I could do that, though I'd rather get the problem fixed. One of the reasons I set up this new desktop was to try out different distro's - I don't think the problem's limited to red hat...

Any other ideas?

I didn't see the error message that the install failure should have given, so I haven't the slightest idea of what might be wrong.

Were there no error messages?

Was there anything mentioned on the Redhat release notes or errata pages about your hardware?

# Redhat links
Red Hat Linux Manuals
Maximum RPM
rpmfind
Easier software management: APT-RPM - Red Carpet

# Redhat 8.0 configuration commands
Configure soundcard:
redhat-config-soundcard
Configure X server:
redhat-config-xfree86