what was the first thing i told u to do.. boot from the diagnostics cd..
if it didnt boot the diagnostics cd.. u are using the wrong diagnostics cd and need to find the correct one
if it installs 8.5 fine.. and has problems installing 9.. something is up..
u might need a firmware update or something
those are quirky old machines.. the first usb mac
how could u assume the logic board is dying when it installed mac os 8.5 fine
remember that machine only supports ATA-3(EIDE) which is older + slower then ATA-4 (ata-33) + ATA-5 (ata-66) so your problems could be something to do with compatibility with the lower ata standard either by your IDE cable or IDE drive
anyway im getting frustrated trying to help u here because u arent making logical sense
u said u tracked down a "NEW OLD STOCK" IDE drive.. u dont specify what size...
then you say the CD wont load.. ?? wtf? does the cd have to do with the IDE drive??? u dont explain what u did .... so.. u are on your own pal.. learn to communicate more logically + effectively in the future if u want help.
go back and re-read your posts here - they make little sense
the orange "universal" os9 cd is for LATER VERSIONS of imacs.. and is NOT for use with the imac that u have.. and would cause strangeness u are experiencing.. we have tons of installers for download on this site.. DO NOT USE any orange os9 install cd thats probably the reason for your problems
u need to use the exact versions of cd discs that were shipped with your imac (version 8.1 for imac233 or version 8.5 for imac233) or you need to use a later universal retail install.. of which i think there was only 9.0 + 9.1, there never was a 9.2 retail cd.. but we have many 9.2 installers here on the site u can download from the public downloads section that should work fine.
I was quick to point out that it installed fine. It started the install fine, but it ended up crashing the machine, and then would not boot any CD again. I ran the HDD through a disk checker, and as I ran the test, it started clicking. So I tracked down a New Old Stock Hard Drive (50GB), and attempted to boot 8.5 again, and nothing. The CD drive would spin up and down, but just sit on the folder screen never finding a thing. I replaced all the IDE/CD drive cabling at great expense to be sure that wasn't an issue.
I did clean the CD drive lens, and it still gave me guff.
Not even the Diagnostics CD would boot.
Since everything runs off that one IDE controller, and everything else is new...and working on other machines...it's a pretty good assumption to say the IDE controller doesn't work anymore.