• Hello MLAers! We've re-enabled auto-approval for accounts. If you are still waiting on account approval, please check this thread for more information.

Search results

  1. A

    PowerBook 540c, PowerPC upgraded — can downgrade?

    Hmmm. I used System Profiler, but that didn't ship until MacOS 7.6… I can't remember this for definite, but I think there were some memory differences. Was the Modern Memory Manager PowerPC only? If so, if it's present in the memory control panel, you're on PPC. Also, I believe on PowerPC, the...
  2. A

    PowerBook 540c, PowerPC upgraded — can downgrade?

    Something like this? http://www.ebay.co.uk/itm/Apple-33-MHz-68LC040-CPU-for-PowerBook-520-540-/160709816022?hash=item256b0d2ed6 Regarding the OS, I want older rather than newer — 7.5 would be great :)
  3. A

    PowerBook 540c, PowerPC upgraded — can downgrade?

    I bought a PowerBook 540c on eBay, because I wanted a 68k laptop. When it arrived, I discovered it had been upgraded to PowerPC. I have two questions: 1. Would it be possible to downgrade this Mac by buying a 68k CPU or motherboard? (I'm not sure how much hardware the PPC upgrade changed.)...
Back
Top