Re: [GD-Consoles] Disc File Layout

[Research <res...@ga...>]

Thanks for the replies!

----- Original Message ----- 
From: "Research" <res...@ga...>
To: <Gam...@li...>
Sent: Thursday, June 22, 2006 11:46 AM
Subject: [GD-Consoles] Disc File Layout


> Hi,
> It's been very quiet here, hopefully this list is still online!
>
> I need some help understanding CD and DVD discs and how it relates to
> performance of loading files. I can't seem to find the right words to 
> google
> for this information. I tried combinations of ISO9660, sector, file 
> layout,
> transfer speed and ordering but couldn't find anything very useful. I also
> searched the SCE newsgroups.
>
> 1. Sectors are counted from the center of the disc, is this correct? E.g.
> the first sector is closest to the middle of the disc and the last one is
> the edge of the disc?
>
> 2. Do lower sectors seek faster? How about transfer speeds? Are they 
> better
> towards the inner or outer areas of the disc?
>
> 3. Any general tips for laying out data on discs? I saw some posts on the
> newsgroups suggesting putting the elf in the early sectors so it loads
> faster, etc.
>
> 4. Any other things I should know about file placement? size of files?
>
> Thanks,
> Brett
>
>
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