If your G5 is too loud, you may have a problem with fan-calibration (need to calibrate with MAC-ServiceCD). My G5-PowerMac/2.3GHz runs nearly unhearable under MOS. My Zotac-MAC01-Nettop is much louder and even my Peg2 makes more noise.

Thanks to everybody who responded. I understand better now.

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True.

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I don't expect it to be magnitudes faster than the Sam460ex. But price wise probably the better choice. People sure do want a lot of money for their used Pegs & Sams.

>> What are Tabor's technical, OS4-relevant advantages over the
>> Sam460ex, again? Anything else than a little better integer
>> performance? I can think of some disadvantages, like worse
>> floating point performance and only one expansion slot.

> I don't expect it to be magnitudes faster than the Sam460ex.

That much is obvious. Even just one single magnitude faster would put it in POWER9 territory :-) And as I said, it will even be slower in FPU operations (except for code that is natively compiled for the SPE in order to avoid FPU emulation).

> price wise probably the better choice. ;-)

I think there have been used Sam460 boards or systems going for same as or less than what new Tabor boards or systems will go for, like this Sam460 board for 300 or 350 EUR.

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MacPro in hundred ways, its especially visible in Linux where dual core (even quad core G5 exists)can be used.

Other problem is Tabor does not exist publicly, outside few people.

Both more powerful x1000,x5000/020 and even x5000/040 have been tested vs G5 and have failed miserably. One in all, too bad OS4 was not ported to Mac G4 and Mac G5.

G5 vs x5000
https://www.youtube.com/watch?v=uEjOgpesYuo

(x5000 quad core 2.2Ghz exists in beta testing too)

Even just on MacOS X side, Luigi and few Mac PPC users have proven it can be useful even today.

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I must stress one thing: There are no G5 Mac Pros. Just PowerMacs. If DFergFLA buys a Mac Pro to run MorphOS then he will be disappointed. Even the first Macs Pro are Xeon based. You can easily tell a PowerMac G5 from a Mac Pro - the latter's got two optical drive bays.

> its especially visible in Linux where dual core
> (even quad core G5 exists)can be used.

Tabor is dual-core as well, so that's one of the few categories where there's no difference when comparing Tabor against MorphOS-supported G5 (which is dual-CPU at best).

> x1000,x5000/020 and even x5000/040 have been tested
> vs G5 and have failed miserably.

In certain performance categories, X1000 (memory bandwidth) and X5000 (non-SIMD integer math) are faster than most MorphOS-supported G5 PowerMacs. Tabor on the other hand is slower than even the slowest dual-CPU PowerMac G5 in each and every performance category, and slower than even the slowest PowerMac G5 in almost all performance categories.

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I may just have the names mixed up. If I do go with a Mac. I will post a link here to get a second opinion before I buy it. My concern now is the reports that a G5 sounds like a jet engine on crack...aka loud.

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True. I had loudness problems with mine (G5 7,3). But applying new thermal paste and doing a fan calibration fixed this for good. The other G5 11,2 I got was silent from the start, but this model is not supported by MorphOS.

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Not really. But poorly serviced ones can be a bit noisy.
If your gfx card is a fanless one then a G5 can be quite silent (if maintained properly and that includes proper thermal calibration and good thermal compound between CPU and heatsink). The water cooled models (2,5 and 2,7 GHz) are more tricky - as the LCS most probably needs an overhaul and not only new thermal grease between CPU and water block - but nevertheless shouldn't be anything near a "jet engine".

I will keep that all in mind. I won't be buying a desktop of any kind til December. In the meantime I am getting my Macbook all put back together again and will install MorphOS on that to play with again before I decide if I want to go all in. The rumor, of MorphOS being worked on to go x86_64 gives me hope that the OS will continue. As much as I like Amiga, I feel that an ISA shift will not happen and it will die out slowly.

>>>> There are no G5 Mac Pros. Just PowerMacs. If DFergFLA buys
>>>> a Mac Pro to run MorphOS then he will be disappointed.

>>> I may just have the names mixed up.

>> [...]

> I am getting my Macbook all put back together again and will
> install MorphOS on that

;-)

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"MacPro" & "MacBook" are only made with x86, or x64 CPU's, (as Andreas_Wolf keeps pointing out to you), so you probably mean your "PowerBook", which is equipped with a G4 PPC CPU. Most PowerMac's and PowerBook's are compatible with MorphOS, as shown in the list on the official MorphOS website. My 17" PowerBook with 1.67GHz G4 CPU, 2GB RAM, & the high definition 1680x1050 wide screen display is my favorite MorphOS system. I think manufacturers are removing optical drives from laptop computers too soon, specially Apple laptops, which removed them even earlier than most other manufacturers did. I like having the optical drive, plus the 17" PowerBook also gives me a full size keyboard, with number pad, and a nice size display. I wonder if it would be possible to upgrade my 17" G4 PowerBook with a 1920x1080 hd display, or if that would not be a good idea given the limitations of the 128mb VRAM Radeon mobility 9700 video card inside of it? I seem to remember someone doing this conversion, but can't remember where, or if it really was done on a G4 PowerBook.

[ Edited by amigadave 09.09.2019 - 15:46 ]

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You remember well, I once did such conversion. I took a display from a 17 inch MacBook Pro and replaced the standard (broken) display in a 17 inch PowerBook. There's a whole article about that in an issue 6 of "Amiga NG" Polish magazine (there should be an english version too but I cannot find it ATM). The article will find its way to some publicly available Amiga related portal sooner or later.

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I strongly disagree

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Must be a one of prototype ;)

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See below (+ ThePlayer who did it too).

FullHD is an issue for non silent upgrade MacMinis with just 32MB VRAM, with 128MB one can^H^Hould run 2 of them without ever running into issues.

> Most [...] PowerBook's are compatible with MorphOS

Actually, MorphOS supports only a miniscule subset of all PowerBooks. It even supports just a small subset of all PPC-based PowerBooks. Even regarding G4-based PowerBooks, only about an half is supported. What's supported most of are the Aluminum G4 PowerBooks.

> as shown in the list on the official MorphOS website.

Unfortunately, the requirement mentioned there with regard to supported G4 PowerBooks has always been misleading.

> the 17" PowerBook also gives me a full size keyboard, with number pad

I'm with Kronos here ;-)

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You greatly over estimate my memory sir!

It was a faint thought in the back of my head that I might have seen some discussion or article about such a conversion. Thanks for pointing out where I might find info about it. I'll have to see if I really want to go through the effort and expense of converting my 17" PowerBook, which I only use for running MorphOS, as I'm not sure if I really need a high resolution than the 1680x1050 display that I have now. If MorphOS was capable of playing the many BluRay movies that I have in my video library, then I would probably go through with such a conversion.

@kronos & Andreas_Wolf, I was confusing my 17" Dell laptop's keyboard and number pad, with my 17" PowerBook. I probably shouldn't post forum messages when I'm half asleep, but you guys are used to me making lots of mistakes by now.

[ Edited by amigadave 10.09.2019 - 08:38 ]

Oh, and one more thing - not that it really matters, but the display resolution I've achieved is 1920x1200, not 1080.

Again thanks to everyone. I am so sorry about keeping mixing up the names.. I have a G4 Mac Laptop, 17in. It is now running MorphOS 3.11. I am in the process of relearning how to use it. It is fast. :) I do keep having it just "lock up" I don't know how else to describe it. I will be using it and suddenly the desktop will stop responding to input. I will not be able to move a window, click a button or anything. However what ever program was in focus at that time will keep going. When this happens to me, I have to hard boot to get out of it as I can't get to the normal shutdown. I do not know why. I have not installed but few things other than the base install. It also is happening on an other G4 laptop that I have.. So, I do not think it is the hardware per say. I am investigating, before I buy a license.

Did you happen to hit the time limit of the free installation? Because that are the symptoms you are describing. If so, you just have to license it.

Well that would pop up a requester stating just that.....

If it's not the demo timeout (after 30mins), try to check the debug log every now and then to see if some program has misbehaved and possibly cause unstability to the system. Here's one way how to check it: Checking the Debug Log

No it isn't the timeout. It can happen only a couple of min after booting. I have seen the popup so I know the difference. And when I say it stops responding, I don't mean slowing down. I will be going along and all is good then it will just stop suddenly. When the popup comes up things get slow but I can at least shutdown. I am trying to figure out if I can recreate the issue but I can't seem to find that cause.

Thanks for the link with the debug info. The next time it happens I will take a look and see what I can find.

[ Edited by DFergFLA 11.09.2019 - 14:52 ]

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It's better to check it occasionally in normal use too, before the system goes totally broken. Usually there's some indication earlier if some program misbehaves.

The first (and the simplest) thing to do is to run memtest. Get into shell and type:

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