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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

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Old 05-08-2004, 08:19 PM   #1
cgtueno
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Red Hat 9.0 Dell Optiplex GX1 Dual CDROM Sec IDE mas & slv - hdc not responding


Hi Guys

Red Hat Linux 9.0
Dell Optiplex GX1
Setup two CDROMS on secondary IDE channel
Master and slave
BIOS detects both OK
System log shows that hdd is recognised as a CDROM ok
hdc is not responding.
hdd is mountable and usable from Gnome.

Have checked cdroms :
One at a time as secondary master - both ok.
Swapped for other CDROMs - same problem
IDE cable is pass through. - Faultless.
CDROMS verified as Master and slave.
Yep! Even reversed master and slave.

Always hdc not responding. Never hdd.

Looks like a Red Had problem to me,
since I the system BIOS correctly detects both CDROMs.

Any ideas ?

Chris
 
Old 05-09-2004, 01:28 AM   #2
arrruken
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Since you say your bios recognizes hdc fine, try to boot with it with an install cd, etc.
 
Old 05-09-2004, 01:37 AM   #3
cgtueno
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HI arrruken

You mean try a fresh install of Red Hat to see if the hardware detection
finds hdc and detects it ok ?

I was trying to avoid another install.
But Iĺl grab another HDD off the shelf and give it a go.

Ie run out of ideas.

Hang on a tick
Ive got a Mandrake Move (no install) CD distro

Iĺl give that a whirl and see if it decects hdc.

Chris
 
Old 05-09-2004, 02:26 AM   #4
cgtueno
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Well this gets stranger and stranger

This time I cabled up a Diamond Data 32x and a 36x
RH 9.0 found doth CDROMs ok.
But it thinks the 32x is a 27x.
I can live with that.
I can access a CD in both drives.

However, when I check the system log
There is a kernel message stating:
cdrom : THis disk doesnt have any tracks that I recognise!

Given that it appears to work. Should I be worried about the kernal message ?

Also

When I use that 27x as master alone.
The CDROM is recognised but the same kernel message is in the log ?

Maybe there is a problem with the no-name CDROM I was using
paired with the 32x yesterday.

Any help gratefully accepted.

Note: No CD in either CDROM drive on system startup.

Regards

Chris
 
Old 05-09-2004, 09:26 AM   #5
arrruken
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I didnt mean reinstall, simply boot off the cd-rom in question to see if it would work before the os gets to it. As long as it worked, I really wouldnt worry about the error message. Sounds like that cdrom you were using was bad. Also, one stupid thing that I must ask since you have had problems with a couple of drives, have you tried using a different cable or does the cable you are using look to be in good shape?
 
Old 05-09-2004, 11:13 PM   #6
cgtueno
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Hi

Yep.

No. Its not a stupid question.
I checked the cable out visually.
Then substituted it on a machine with two hard drives. All ok.
Even replaced it with anoither known working spare cable.
Just to be paranoid !

All I can think of is that one of the CDROMs I tried in the first place
is possible a bit funny. But it works ok on its own though.

Is there any where I can look up the kernel message that the x32
CDROM generated on system startup ?

I wonder why it would identify the CDROM drive type ok but botch
the speed identification.

It reads data from a CD ok.
But Im still a bit curious.

Sounds like its a problem with the CDROMS rather than Linux
doesn't it.

Regards

Chris

PS Is there any third party application that you know of that I could run
to identify the CDROM type and speed. I would like to rule out a fault
with RHs distro source.

ttfn C
 
Old 11-12-2004, 01:20 AM   #7
cgtueno
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Hi

Followup :

I solved this ages ago.
I seem to remember that I tracked it down to the noname
CD-ROM being incompatible.

That CDROM worked on a number of other machines,
but not on the DELLs for some mysterious reason.
I have since seen a number of similar problems.

Regards

Chris
 
  


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