Recent content by trodemaster

Ah that was it! Thank you! So this software does not work on 7.6.1 https://www.macintoshrepository.org/39758-apple-power-macintosh-upgrade-card-drivers-m2843ll-a- The "601 Processor Upgrade" control panel in 7.6.1 is not correct. This is the one that works...

I extracted what seems to be the correct control panel for 7.6.1 and it throws an error. I'll do more testing once the contact cleaner shows up and I have more time. Boot chime is just the quadra one with the card installed or not.

When cleaning the contacts, I have only used rubbing alcohol and a dust-free cleaning cloth, so using something stronger is up next. Re-seated it a couple of times and confirmed the connector is fully butted up against the socket. Heatsink repasted with careful attention to the hook on the far...

I'm working on a Centris 650 build and was excited to add this Apple-branded PPC 601 820-0562-A Upgrade card to the system. I have installed these a few times in the past and it was trivial. However, when I insert this card, it does not seem to be recognized by the system. I have used TattleTech...