Funny Bunny

[richmond62]

I have just been offered a Mac 'Funny Bunny':
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funnyBunny.jpg (30.41 KiB) Viewed 1768 times

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For 800 Leva = £342

and am seriously tempted:
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This one has 64 GB RAM, so can presumably hacked to work with MacOS 15.

[tperry2x]

According to this page (link), a (Late 2013 - MD878LL) will only go to MacOS 12 Monterey.

Although as Paul has mentioned, you could (probably??) use OpenCore patcher to unofficially upgrade the OS further. That might perhaps get it to MacOS 13/14 (but definitely not guaranteed).

This model is compatible with the final version of macOS Mojave (10.14), macOS Catalina (10.15), and macOS Big Sur (macOS 11), as well. It additionally supports the final version of macOS Monterey (macOS 12), but it does not support Universal Control or AirPlay to Mac in addition to the more minor Spatial Audio, Portrait Mode, 3D Landmarks, and Interactive Globe features. It does not support macOS Ventura (macOS 13) or later.

[OpenXTalkPaul]

According to this page (link), a (Late 2013 - MD878LL) will only go to MacOS 12 Monterey.

Although as Paul has mentioned, you could (probably??) use OpenCore patcher to unofficially upgrade the OS further. That might perhaps get it to MacOS 13/14 (but definitely not guaranteed).

This model is compatible with the final version of macOS Mojave (10.14), macOS Catalina (10.15), and macOS Big Sur (macOS 11), as well. It additionally supports the final version of macOS Monterey (macOS 12), but it does not support Universal Control or AirPlay to Mac in addition to the more minor Spatial Audio, Portrait Mode, 3D Landmarks, and Interactive Globe features. It does not support macOS Ventura (macOS 13) or later.

There's a new 2.0 version of OpenCore Legacy Patcher that will allow to update a 2013 'Trashcan' Mac (Mac Pro 6,1) all the way to the latest Sequoia. There's a few features that might not work and depending on the video card it might have problems with apps that use Metal II graphics (which is used in newer versions of Apple's Apps like GarageBand, iMovie, etc.),
Here's video of a guy running a Sequoia Beta (before the Patcher was even updated) on that same Mac model:
https://www.youtube.com/watch?v=j0x87B_XVjY

If I had that rig I'd definitely want to max it out and add drives to install multiple operating systems on it (MacOS 10.14, macOS 14, Linux, Win).
My own experience with OCLP is that I have an unsupported 2017 iMac (with M.2 SSD, 32GB ram and 4GB AMD Video) that is currently running Sonoma fine (maybe I'll update it to 14 this weekend).

https://dortania.github.io/OpenCore-Legacy-Patcher/

[OpenXTalkPaul]

If you really want to push it you could upgrade it to 12 core Xeon CPU, here's a list of compatible CPUs:
https://forums.macrumors.com/threads/ma ... t.1954766/
There are how-to videos here:
https://everymac.com/systems/apple/mac_ ... essor.html