On Oct 13, 2010, at 4:26 AM, Gottick International wrote:
I'm trying to install X5 on a machine that won't accept the newer,
larger, DVDs.
No such thing as "a machine that won't accept the newer, larger,
DVDs". I assume you're talking about dual-layer DVDs? ALL DVD units,
whether they're Combo, DVD-ROM, or DVD-RW support dual-layer read. I'm
assuming by "X5" you mean Leopard 10.5, the first OS to ship on dual-
layer discs. The only reason your optical unit wouldn't work with a
dual-layer DVD is if you only have a CD-ROM unit instead of a DVD
unit. This applies only to commercially produced dual-layer DVDs, if
you happen to have a home burned copy on a dual-layer DVD-R or DVD+R
disc, this could possibly not work, and often firmware updates for the
DVD drive can add support for more media types and enable an
unreadable disc to work, BUT you probably need a Windows PC in order
to update the firmware.
I have moved a X.5 .dmg to the computer's hd and now I'm
trying to reboot the whole machine from the dmg. Is that even
possible? I've been told so.
No, you can't boot from the .dmg file. You must clone the .dmg onto a
partition and then boot that partition. You can't clone onto the
entire HD and then install onto the same HD; you'd need either two
separate partitions or two separate drives. You may be able to clone
onto a USB flash drive and then boot the USB drive to install, but
first you'd need to reformat the USB drive as "HFS+ journalled" with
the appropriate partition map (Apple partition map for PPC Macs, GUID
partition map for Intel Macs) using Disk Utility. You can clone
the .dmg with Carbon Copy Cloner.
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