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Operating System Specific Discussions => MorphOS => MorphOS -- Hardware requirements and availability discussion => Topic started by: caver99 on May 27, 2012, 02:38:45 PM
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What is the difference between a G4 and a G5 for morph os will it work on the G5?
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Only G4 PowerMac is supported. See here (http://www.morphos-team.net/hardware).
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What is the difference between a G4 and a G5 for morph os will it work on the G5?
Should the G5 ever be supported, there are advantages and disadvantages to its design.
First, as it can only hold two hard drives (without third party hard drive cages) and as some G4s (like my FW800) can hold four its got less hard drive expansion.
However, the hard drive interface is SATA (although only 1.5 GBs).
Both machines use an AGP video card slot, but the fastest G4 is only 4X while the G5 is 8X.
Depending on the model the G5 features PCI and PCI-X expansion slots while the G4 uses 64bit PCI slots.
The G4 can have 1.5 to 2GB of memory while the G5 can have up to 8 GB.
And finally, the G4 has a max CPU speed of 1.42 GHz (or 2.0 with third party CPU boards) while the G5 maxes out at 2.7GHz.
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OK so the G4 is the one to go for does it matter if its duel or will only one be used?
I am asking as i will be getting a Powermac very soon well it one of them or a macmini just like thew expandability of the powermac over the mini but the mini is nice and small
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OK so the G4 is the one to go for does it matter if its duel or will only one be used?
I am asking as i will be getting a Powermac very soon well it one of them or a macmini just like thew expandability of the powermac over the mini but the mini is nice and small
Personally i choose a 1.42 dual CPU FW800 MDD Power mac.
Yes, only one CPU is used under MorphOS (I've been looking at overclocking a single 1.33GHz Xserve processor card to 1.67 GHz), but its the fastest G4 Power mac available (and will outperform a 1.5 GHz mac Mini)..
I've got an NEC based USB 2.0 PCI card and a Soundblaster Live audio card installed in it.
I've also got an ATI Radeon 9800XT video card (although for now I'd recommend an R200 card for 3D hardware acceleration).
All this can be bought fairly cheaply.
My Powermac was under $75.
The USB card can be had for about $5 (and the Soundblaster is only a little more).
Many Powermacs come with a Radeon 9000Pro video card or these can be purchased starting at around $30.
Other alternatives include the 8500, 9200/9250, 9600, 9700, or 9800.
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Both machines use an AGP video card slot, but the fastest G4 is only 4X while the G5 is 8X.
Depending on the model the G5 features PCI and PCI-X expansion slots while the G4 uses 64bit PCI slots.
Some G5 models had PCIE.
http://www.everymac.com/systems/apple/powermac_g5/specs/powermac_g5_quad_2.5.html
Not that it matters right now since MorphOS doesn't support them yet or at all. :(
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Some G5 models had PCIE.
http://www.everymac.com/systems/apple/powermac_g5/specs/powermac_g5_quad_2.5.html
Not that it matters right now since MorphOS doesn't support them yet or at all. :(
Yes, but when they were still exploring the idea, the MorphOS team was suggesting sticking with the AGP models.
And those models should be able to take most of the video cards we're currently using.
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So it looks like it will be a PowerMac G4 then when i get one
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As far as I know, G4s are way louder than G5s... Which is something important to consider, but, as G5 are not yet supported...
Any information about silent g4 models?
My 933 quicksilver is really loud.
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As far as I know, G4s are way louder than G5s... Which is something important to consider, but, as G5 are not yet supported...
Any information about silent g4 models?
My 933 quicksilver is really loud.
I have heard this reported before, but primarily with the MDD models.
My own Quicksilver (which also had a 933MHz processor) seemed quite quiet to me (especially in comparison to my PC).
My current Powermac, an FW800, is considerably more quiet then earlier MDDs as apple responded to this complaint.
Obviously nothing is going to be as quiet as a Mac Mini as its compact form has a very small cooling fan.
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As far as I know, G4s are way louder than G5s... Which is something important to consider, but, as G5 are not yet supported...
Any information about silent g4 models?
My 933 quicksilver is really loud.
My watercooled G5 @ 2.7 GHz is freakin' loud under load. I swear something's wrong with it, but I tore it apart a few times and see no leaks. If they ever support a G5, stay away from the higher end models that are watercooled. The air cooled 1.8 and 2.0 are silent.
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What exactly is the fastest/best Powermac G5 that was air cooled?
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What exactly is the fastest/best Powermac G5 that was air cooled?
AGP models, the dual 2.7 GHz.
PCIe models, the quad.
Edit - Sorry, I mis-read that.
AIRCOOLED.
Kronos is right. 2.5 and 2.7 is watercooled.
On that note, I don't think even these models are that loud.
But I assume its a matter of perspective, as my PCs have always had additional fans.
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I'm quite sure everything above the 2x2.3GHz is watercooled.
2.7GHz are defintly watercooled (unless there are 2 versions which doesn't seem to be the case).
G4 QuickSilvers only feature simple fans with buildin (primitive) temp-sensor. Replacing them with quality fans and adding some "smart" fan controller makes a huge difference.
Note
G4 No1 1.8GHz 45°C 3800RPM
G4 No2 (unused) 1.8GHz 44°C 3200RPM
Case 41°C 1300RPM
Yes it's audiable, but surely far less noisy than a MacMini under load (which makes no difference on the PMac).
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I've got a dual 2.5 - it's water cooled. Gets noisy at times, especially under load with things like the BOINC client. I would LOVE to buy MorphOS for it as I think it would scream.
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G4 QuickSilvers only feature simple fans with buildin (primitive) temp-sensor. Replacing them with quality fans and adding some "smart" fan controller makes a huge difference.
Can you point out some suggestions for fans and controllers?
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Can you point out some suggestions for fans and controllers?
Anyone else want to field this.
I opened my old Quicksilver and there are only two fans.
One is on the power supply and the other apears to be a 120 mm case fan.
As I've said before, my Quicksilver is very quiet, so I suspect his system has at least one defective fan.
Also, if his 9600 video card isn't passively cooled, that my be making some noise.
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What is the difference between a G4 and a G5 for morph os will it work on the G5?
I still have 3 PowerMacs ..if anyone is interested..
Rich
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As I've said before, my Quicksilver is very quiet, so I suspect his system has at least one defective fan.
Hmm, I think I'm not alone, check this out: http://www.xlr8yourmac.com/systems/quicksilver_noise/quieting_quicksilver_noise.html
Maybe yours had a replacement before you got it.
BTW, 9600 XT is not to loud...
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@Iggy
1x PSU 1xcase and there should be a smaller one at the back (just were the CPU-module sits) but this may depend on CPU-speed.
Mine had those 3 + 1 on each CPU (so 5 total).
I replaced the PSU with a passive one (conversion from a standard ATX-PSU) but I would advise against it as it seems the PSU-fan is very important for the air-flow in the QS.
I bought an cheap 3 channel fan-controller for 3.5" bay and mounted it beneath the CD-ROM (removing the 2nd drive cover may look ugly but allows to monito temps and RPMs).
I than bought a bunch of 3-pin fans in the same sizes as the orginal ones (when it came to how many db/A and much much air/s I just had to take guesses).
Channel 1 : main CPU (read the one used by MorphOS)
Channel 2 : 2nd CPU + small rear fan
Channel 3 : case
Sensor 1 : in cooler right above main CPU
Sensor 2 : in cooler as far away as possible from main CPU
Sensor 3 : above CD-ROM
I might add a PSU fan or move the whole thing to a (bigger) PC-case in order to maximize airflow as the case gets a bit hot for my taste.
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Excellent point about the fan behind the CPU Kronos.
I'd forgotten about that one as I'd removed it on installation of an OWC processor card.
I don't think that one would be easily replaced though.
Your details on the others really useful.
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I might add a PSU fan or move the whole thing to a (bigger) PC-case in order to maximize airflow as the case gets a bit hot for my taste.
Not as hot as the MDD.
The temperatures in mine really bother me.
I like the case layout, but would sacrifice the sound level to increase cooling.
Perhaps if I can modify my 1.42GHz dual processor to a single CPU it will run cooler.
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I've heard a lot of people talk about heat issues in the MDD, but mine's really been perfectly fine. I did have to re-do the thermal paste on the CPUs, but once that was taken care of it hasn't been a problem since, even under load...
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I've heard a lot of people talk about heat issues in the MDD, but mine's really been perfectly fine. I did have to re-do the thermal paste on the CPUs, but once that was taken care of it hasn't been a problem since, even under load...
Well, that does give me some hope.
Running slower CPUs appears to be cooler so maybe overclocking a single 1.33GHz Xserve processor to 1.67 GHz will remain cooler then two 1.42 GHz CPUs.