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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: AmiDelf on October 08, 2003, 01:30:36 AM
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a) What sort of SCSI pins is there on CyberstormPPC? What sort of HD's can I use?
b) With a SCSI HD inside an Amiga with PPC. Will divX movies run without any problem then with FroggerNG?
c) What is the best configuration for watching a DivX movie on a Amiga 4000 060/PPC, MediatorPCI4000Di-Voodoo 3 3000, DelfinaDSP, Ariadne_II, 128MB RAM, 60GB IDE HD (wants to add a SCSI HD for DivX playing)
Please help,.. I hope :)
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a) What sort of SCSI pins is there on CyberstormPPC? What sort of HD's can I use?
SCSI-3 Ultrawide (68pin). See SCSI faq (http://www.scsifaq.org/), or another SCSI faq (http://www.faqs.org/faqs/scsi-faq/). Google for more if these are not answering your questions.
b) With a SCSI HD inside an Amiga with PPC. Will divX movies run without any problem then with FroggerNG?
No.
c) What is the best configuration for watching a DivX movie on a Amiga 4000 060/PPC, MediatorPCI4000Di-Voodoo 3 3000, DelfinaDSP, Ariadne_II, 128MB RAM, 60GB IDE HD (wants to add a SCSI HD for DivX playing)
Not possible, not enough CPU power. Some very low resolution DivX might work, but most movies are way too high resolution.
In short, better forget it.
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The cyberstorm scsi uses a 68pin connecter.
Most LVD or SE type drives will work. If I'm not
mistaken, the cyberstorm controller can
operate up to 40MB/s, so basically most
UltraSCSI devices or better. I have a 9.1GB Quantum
Atlas IV which will benchmark around 30MB/s
in sync mode. The main issue with the cyberstorm
controller is proper termination. I recommend
using separate terminators on each end of the bus,
don't depend on a drive for termination. The
controller itself does not have any termination.
Your bus should look something like this:
Term----CYPPC----Drive----Drive----etc..----Term.
Many ultrascsi and LVD drives do not contain any
termination, so place those devices in the middle.
If you are using any 50pin devices like most
CD-Rom drives, make sure your adapter terminates the
upper 8bits and place them closer to the end of the bus.
I hope this helps.
C Snyder
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Amidelf, Piru is pulling your chain...I watch
DivX all the time on my o/c'ed '020...no
probs :P
(this is jokeing BTW i.e not serious)
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For playing DivX movies you need a Pegasos or "AmigaOne". Classic Amigas don't manage it.
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Well, thats not true! I've seen Amiga 4000PPC running DivX in full speed. Oki, I understand that the IDE controller is nothing compared to the UWSCSI-II controller on CyberstormPPC.
Well,.. people, lots of people have got DivX to run really smooth on 233MHz PPC thru WarpOS. I've seen it too at my friends house.
But he moved, :(
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O.K. accepted.
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Well, is there any out there, here wich got FroggerNG to play DivX in full speed? Well, I wonder why it cost then, if DivX aint working as it should?
I am sure that AmigaPPC can do DivX,...
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@AmiDelf
No, it can't. Get over it.
95% of the movies are too high resolution to replay with acceptable speed.
If you get SCSI that certainly helps to push the data to CPU for decoding, but the CPU itself is still too slow. The gfxcard bus is ridiculously slow aswell.
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A PPC604e 233MHz isnt to slow at all. Thats about a 350MHz Pentium II and those machines with Windows installed plays DivX without any problems at all.
I know and I\ve seen it!
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Even if you were to avoid Amiga IDE by using CPPC SCSI, Phase5's dual CPU cards lack L2 cache, have slow RAM, and worst of all have the dreaded context switches.
Even if you were to run on OS4 or MOS to avoid all PPC/68k context switches and used a hand-optimised player and divx codec, I SERIOUSLY doubt that any CPPC, even an overclocked one, is fast enough to play the movie properly.