Robin Laing wrote:
Gene Poole wrote:
I think I've run into a bad DVD burner/reader and maybe someone can
help. At home I've got 5-internal DVD burners and at work I have
1-external DVD burner at my disposal. Of these 6-burners I'm pretty
sure I know the brand names of most (2-Sony; 1-HP; 1-eMachine;
1-Pioneer; 1-LiteOn) based upon the machines they are in. I know the
Sony's are the same even though 1 is internal and the other external.
The burner I seem to be have the problem with is the Pioneer. It
doesn't seem to process a Fedora 9 x86_64 or CentOS 5.2 x86_64
installation DVD - even if the thing was burned on it! All of the
blank DVDs are +R and I use Verbatim, HP, Imation, and TDK. Currently
the machine that houses the Pioneer is the only x86_64 machine I have,
so I have no way to test on another machine.
The only install DVD that is working is Fedora 8 and Fedora 10. I
want to install CentOS 5 as it's the most like the Red Hat 5.1 I
support at work and I want to run Oracle on my machine. How can I
verify a x86_64 install DVD on a non-x86_64 machine (I've done the
md5sum and sha1sum process at DVD creation time)? Is it because I've
burned a x86_64 DVD on a i386 machine causing me a problem? Should I
just try -R DVDs? Should I lower the burn speed? Is the phantom of
the DVD haunting me?
TIA,
Gene
I had a problem with burning DVD's and it turned out to be the power
supply. The voltage was at the lower limit as measured with a volt
meter but when burning DVD's would go below the required voltage. It
was a pretty new power supply. A new drive didn't fix the problem.
The BIOS and sensor both said the supply was within spec but using a
Fluke showed otherwise.
The sensors and BIOS can only check the motherboard power, not the power
at the drives. The +12VDC at the mobo usually comes from a different
regulator in the power supply than the +12VDC on the drive connectors
(good thing, too). As Robin says, nothing beats a good DVM when
debugging flakey stuff.
----------------------------------------------------------------------
- Rick Stevens, Systems Engineer ricks@xxxxxxxx -
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- -
- Huked on foniks reely wurked for me! -
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