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Author Topic: AOS3.9 on PPC  (Read 1539 times)

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Offline giZmo350Topic starter

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AOS3.9 on PPC
« on: June 19, 2014, 12:40:10 AM »
Just got to thinking.... if you can install a PPC card in your A1200/4000 (for example) and install OS3.9... why can't I install OS3.9 natively (not emulation) on a Mac Mini PPC or any other PPC machine other than the obvious reason of drivers? Just wonderin...  :confused:
A500: 2MB Chip, 8MB Fast, IndiECS, MiniMegi, IDE4ZorroII on Z-500, KS1.3/KS3.1, WB3.1&BWB
 
A2000HD: 2MB Chip, 128MB Fast, P5:Blizz 2060@50MHz, PCD-50B/4GBCF, XSurf100, RapidRoad, IndiECS, Matze RTG, MiniMegi, CD-RW, SunRize AD516, WB3.9
 
A1200: 2MB Chip, 64MB Fast, 4GBCF, GVP Typhoon 030 @40MHz w/FPU, Subway USB, EasyNet Ethernet, Indi AGA MKI, FastATA MK-IV, Internal Slim CD/DVD-RW, WB3.5

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Offline nicholas

Re: AOS3.9 on PPC
« Reply #1 on: June 19, 2014, 12:46:12 AM »
Quote from: gizmo350;767092
Just got to thinking.... if you can install a PPC card in your A1200/4000 (for example) and install OS3.9... why can't I install OS3.9 natively (not emulation) on a Mac Mini PPC or any other PPC machine other than the obvious reason of drivers? Just wonderin...  :confused:

Because PPC!=68k.
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Offline Ancalimon

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Re: AOS3.9 on PPC
« Reply #2 on: June 19, 2014, 12:50:07 AM »
Quote from: gizmo350;767092
Just got to thinking.... if you can install a PPC card in your A1200/4000 (for example) and install OS3.9... why can't I install OS3.9 natively (not emulation) on a Mac Mini PPC or any other PPC machine other than the obvious reason of drivers? Just wonderin...  :confused:

OS 3.9 is for 68k. It runs on the 040 or 060 which exists together with the PPC on BlizzardPPC or CyberstormPPC. PPC cpu is never used unless you have some software that uses it.
A4000T, 604e@400&060@66, 128MB+16MB+Zorram256, CVisionPPC, VLabMotion, Toccata, XSurf100&RapidRoad, Prisma Megamix

A1200, Blizzard060@50, 256MB, Blizzard IV SCSI, FastATA mk4
 

Offline giZmo350Topic starter

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Re: AOS3.9 on PPC
« Reply #3 on: June 19, 2014, 12:59:58 AM »
Quote from: FaLLeNOnE;767096
PPC cpu is never used unless you have some software that uses it.

Ahhhhhh! OK, I get it! Thanks for reply!
A500: 2MB Chip, 8MB Fast, IndiECS, MiniMegi, IDE4ZorroII on Z-500, KS1.3/KS3.1, WB3.1&BWB
 
A2000HD: 2MB Chip, 128MB Fast, P5:Blizz 2060@50MHz, PCD-50B/4GBCF, XSurf100, RapidRoad, IndiECS, Matze RTG, MiniMegi, CD-RW, SunRize AD516, WB3.9
 
A1200: 2MB Chip, 64MB Fast, 4GBCF, GVP Typhoon 030 @40MHz w/FPU, Subway USB, EasyNet Ethernet, Indi AGA MKI, FastATA MK-IV, Internal Slim CD/DVD-RW, WB3.5

Surfing The Web With AMIGA Is Fun Again!
 

Offline LiveForIt

Re: AOS3.9 on PPC
« Reply #4 on: June 20, 2014, 01:53:42 AM »
Quote from: gizmo350;767097
Ahhhhhh! OK, I get it! Thanks for reply!

That's kind of the major difference between AmigaOS3.9 and AmigaOS4.x.

That fact that one is native 680x0 whit PowerPC extentions WarpUP.

And the other AmigaOS4.x is native PowerPC, whit just in time compiler (JIT) for 680x0 hunk binary code.

You can install AmigaOS3.9 on MacMini but only if it runs in emulator like EUAE.
 

Offline itix

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Re: AOS3.9 on PPC
« Reply #5 on: June 20, 2014, 09:02:14 AM »
Yes indeed. PPC "support" in OS 3.9 (and in general) was never very useful. There were only very little software and many of them were terribly buggy. And when they were not buggy they (PPC) were often slower than native versions.

For example PPC native JPEG datatype speed up decoding of large JPEG images but is slower with small JPEGs.
My Amigas: A500, Mac Mini and PowerBook