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macOS 10.15 Catalina on Unsupported Macs

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Catalina beta 4? AFAIK, the latest is b3 (19A501i), so where did you get b4?

Starplayr said:
Not Yet. You can wait for dosdude1 to create an APFS boot loader. ;)

The patch on 3,1 is not bad. I can't imagine the 5,1 being any worse.
[doublepost=1562858249][/doublepost]I installed Cat B4 last night and it looks like it auto installed the patches. I did not know they are auto applied but just about everything works. My system went to a blank screen. Rebooted, saw the installer media disk, selected it. Install went like a really Mac with black screen, white apple and ETA. When I booted it up to my surprise it always had the patches. I did download the installer disk using 1.0b7 dd1's installer maker.

The only thing missing in the patches is classic Mac OS Standard HFS support (pre Mac OS Extended HFS+ support)

You can use hfs.kext and hfsEncodings.kext from Mojave to get this support added back in. This is helpful for legacy stuff like old data CDs and DVDs that are in the old standard hfs format. To be clear, I'm not talking about Journaled Mac OS Extended HFS+, but the format before it.

Without the kext's from Mojave, you cannot mount old hfs volumes and can't do anything with them.
Click to expand...
 
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Maybe we should start a macOS VM board.

I've been messing around with Catalina on my iMac 2011 where my host is High Sierra and my client VM is Catalina Beta 3.

One of it's best features is live resolution where it also snaps however you scale the window or go full screen. The vm is very responsive even when on a Hard Drive instead of an SSD.

I beefed up my 27" iMac 12,1 to 32GB so I could handle any type I through at it. Anka Build does not support Metal yet and my correct host doesn't even have Metal right now (though I am thinking about getting a Thunderbolt eGPU), but Anka is super responsive. Anka has a 30 day trial, if anyone would like another way to use Catalina or test other macOS, I highly recommend it.

May be if they get enough interest they will come out with a consumer and Pro-sumer versions that we could afford. I traditionally did not like macVMs until I tried Anka. Thought I am anxious to get QEMU running on this box and compare Apples to Apples.

Screen Shot 2019-07-11 at 11.40.36 PM.png

[doublepost=1562903546][/doublepost]Some how Beta 3 on my 2008 Mac Pro seems to go haywire when rebooting and it gets to the login, it KP's. Last time I used it, it auto installed the patches for my machine. I did install VMWare Fusion 10 and before 8 and I think that has something to do with it. But the restarts don't happen for awhile but when it starts nothing seems to fix it.

I am going to go back to Mojave and stick with that for my main stuff. I have a pretty good handle on Catalina (patch wise) and will just keep that off to the side, but I am gonna go back to developing software in Mojave at least til I find out what 's kp'ing Cat beta 3 on me. Gonna start being will gingerly on what gets installed on it. For a long while Cat seemed super stable but the past couple of days, it's almost like Apple is sending something to the OS that f's it up or its a bug that Is corrupting a kext. I may also start pulling stuff off my system, but I really think it's OS related but I could now be hitting a power issue after hooking up my DVD Drives. Could also be my USB 3.0 PCIe card. I will nail it down, but problems did not start until after some recent changes. So I guess it's gonna be process of elimination.
 
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catalinab3.png
Just downloading :) Thanks to the macOS Catalina patcher incredible team!!! My "games" are beginning now, and I'll report all issues found on Macmini4,1 to help other users and to be helpful to the developing of this wonderful software!! @dosdude1 @ASentientBot @parrotgeek1 you are my heros!

EDIT: Installed, without a glitch until now excluding SIRI, on a 9 years old Macmini MID 2010 (macmini4,1) !!

Intel Core 2 Duo 2.4 Ghz Penryn
Nvidia Geforce 320M 256 MB
8 GB RAM
Samsung S240300 monitor (via HDMI)

Installed on an external USB 3.0 Maxtor Harddisk (640 GB APFS partition)

Wifi card perfectly working with a Chinese 50$ 4G LTE Router
5$ Chinese wireless mouse instantly working
15$ keyboard working

I will test it deeply, double checking if discovered issues are related to Apple betas before reporting them here. Until now there are no graphical glitches and the system is surprisingly fast as stable!
 
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I am still confused about whether the graphic card support will be improved.
If I am reading the intro post it states

Spoiler
Pre-Metal AMD video cards (Radeon HD 6xxx series and older without acceleration, Radeon HD 4xxx series and older with acceleration.)
Pre-Metal Nvidia video cards (GeForce 5xx series and older, i.e. 8600M(GT)/8800M(GT), 9400M/9600M(GT), 320M/330M)
Pre-Metal Intel video cards (Intel HD Graphics 3000 and Intel HD Graphics Arrandale)

What does this mean. Are those card not supported or is there hope.
 
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dosdude1 said:
Huge Catalina Patcher update: APFS booting implementation is now fully implemented, meaning it is no longer necessary to have APFS support included in your system's BootROM! Please report back any issues you experience, and enjoy!
Click to expand...

I assume that you defaulted the post patcher to not automatically install the APFS patch, correct? Also, did you ever implement automatic forced cache rebuilding to cope with reinstalling Catalina over itself (where the presence of a stale kernel cache inhibits its automatic rebuilding)?
 
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Starplayr said:
I like your steps.

Doesn’t dosdude1’s patched installer complain that it’s APFS. What is the difference making a RAID this way vs. Apple’s RAID Assistant? And there are two ways of making Apple RAID’s. one is by whole disks and another is by slices / Volumes. It looks like you are using the whole disk method and I am wondering if gpt destroy is what is allowing the installer to work. As it could be hiding boot points the other disks.

Anyways. I will test your method out as I like command line alternatives.

Thank you for posting this. Lately Disk Utility hangs up a lot. This will work better.
Click to expand...

I only use it from the command line because my mac does not support AppleRAID via Disk Utility Wizard.
 
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jhowarth said:
I assume that you defaulted the post patcher to not automatically install the APFS patch, correct? Also, did you ever implement automatic forced cache rebuilding to cope with reinstalling Catalina over itself (where the presence of a stale kernel cache inhibits its automatic rebuilding)?
Click to expand...
As there's no way for me to check whether or not a machine has had the APFS ROM Patch applied, any machine that did not natively support High Sierra (and official APFS-compatible firmware) will have the APFS patch installed by default. If you do have an APFS ROM patched machine, you can just set the Startup Disk to the APFS volume, and that will bypass the APFS boot implementation. Haven't implemented auto forcing cache rebuild yet.
[doublepost=1562943581][/doublepost]
Marty56 said:
I am still confused about whether the graphic card support will be improved.
If I am reading the intro post it states

Spoiler
Pre-Metal AMD video cards (Radeon HD 6xxx series and older without acceleration, Radeon HD 4xxx series and older with acceleration.)
Pre-Metal Nvidia video cards (GeForce 5xx series and older, i.e. 8600M(GT)/8800M(GT), 9400M/9600M(GT), 320M/330M)
Pre-Metal Intel video cards (Intel HD Graphics 3000 and Intel HD Graphics Arrandale)

What does this mean. Are those card not supported or is there hope.
Click to expand...
All those cards work except the Radeon HD 5xxx and 6xxx series video cards. So as long as you don't have one of those, your video card should work fine under Catalina.
 
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dosdude1 said:
As there's no way for me to check whether or not a machine has had the APFS ROM Patch applied, any machine that did not natively support High Sierra (and official APFS-compatible firmware) will have the APFS patch installed by default. If you do have an APFS ROM patched machine, you can just set the Startup Disk to the APFS volume, and that will bypass the APFS boot implementation. Haven't implemented auto forcing cache rebuild yet.
[doublepost=1562943581][/doublepost]
All those cards work except the Radeon HD 5xxx and 6xxx series video cards. So as long as you don't have one of those, your video card should work fine under Catalina.
Click to expand...

Does that imply that now, on machines with the APFS ROM patch applied, that we will have three disks polluting the option boot screen (the APFS volume, the duplicate EFI Boot volume that the APFS ROM patch creates and now a third EFI boot volume holding the APFS patch)? Ugh.

If so, could you please add an option to the Catalina Patcher to allow users to create a customized usb installer that has the APFS ROM patch off by default?
 
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