I myself own a 32H wich is the smaller version of your 520 but with the same
I'm running AIX 4.3.3 on the system without any problems.
The non-IBM cdrom drive could be a problem.
Sometimes OEM-cdrom drives do work on a live system but you can't boot from
Easy way to find out: Turn key to Service load the 4.3.x cdrom and power the
system on. If you got the diagnostics screen than the system booted up from
disk. If you get the Installationscreen the system booted from cd.
> I would like to upgrade my AIX-level on a model 520h RS/6000 running AIX
> 3.2.5. (32MB ram 3 GB Harddisk) I'am trying to find out if it is possible
> run AIX 4.2.x or AIX 4.3.x on a model 520h. Next to this I would like know
> if there are experiences with building a none IBM-cdrom into this machine.