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'[ot]: cd-rom and cd-r doesn' t work'
2003\04\29@192914 by Andre Abelian

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Hi to all engineers,

Finally after working on my pc for about 3-4 hours I give up.
CD-ROM and CDR are connected to same IDE bus one is master and
The other one is slave.
What did I check?

1. IDE itself works
2. CD-ROM can boot from any bootable CD
3. in windows 2000 says ( device is not working properly)
4. I uninstalled and reinstalled same thing
5. I always install and uninstall lots of software
6. I have service pack 3 and other recommended updates from msn

any idea will appreciate

Andre

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2003\04\29@195303 by Mike Hord

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1.  Make sure that the settings in the BIOS are correct.  Enable the IDE
channel, and make sure the BIOS knows there are two drives on that channel.
2.  Check the IDE cable.  It almost certainly needs to be an ATA/66/100 job.
 Swap it out.  Rearrange the drives on the cable.
3.  Make sure that both drives are getting power.  Check to make sure your
power supply provides enough juice to run all of the drives and expansion
cards (PCI, AGP, etc) that you have.  That may be the problem; some cheaper
power supplies will come rated at xxx watts but can't continuously provide
more than 2/3 of that.
4.  Check the jumpers on the drives.

Hope that was helpful.

Mike Hord






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2003\04\29@195707 by cdb

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Sorry Andre,

I'm not sure I follow. Which one isn't working? If you can boot from
CD one of them at least must be working. Or did you mean that CDROM
booting is enabled in the BIOS?

Which CD player allows the booting?

Do they work if installed one at a time as masters  ?

Shouldn't make a difference but have you tried them on the other IDE.

In fact will one of them work as a slave(with CD jumper set as slave)
off the IDE that the HDD is connected to?

Does your system use Cable Select? In which case both CDROMS need to
be jumpered to C/S, have you actually physically set the two drives
to master/slave - if not they'll never work.

If they work but 2K says they don't then I'd believe the practical
rather than the the OS.

Colin

On Tue, 29 Apr 2003 16:27:51 -0700, Andre Abelian wrote:
Finally after working on my pc for about 3-4 hours I give up.
CD-ROM and CDR are connected to same IDE bus one is master and
The other one is slave.
What did I check?

1. IDE itself works
2. CD-ROM can boot from any bootable CD
3. in windows 2000 says ( device is not working properly)
4. I uninstalled and reinstalled same thing
5. I always install and uninstall lots of software
6. I have service pack 3 and other recommended updates from msn

any idea will app


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2003\04\30@012114 by Mike Singer

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Andre Abelian wrote:
> Finally after working on my pc for about 3-4 hours I give up.
> CD-ROM and CDR are connected to same IDE bus one is master and
> The other one is slave.
> What did I check?
>
> 1. IDE itself works
> 2. CD-ROM can boot from any bootable CD
> 3. in windows 2000 says ( device is not working properly)
> 4. I uninstalled and reinstalled same thing
> 5. I always install and uninstall lots of software
> 6. I have service pack 3 and other recommended updates from msn

Perhaps disabling DMA support in your MB CMOS for this
IDE channel will help. CDRs often are PIO4, while CDR/Ws
are DMA.

Mike.

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2003\04\30@030349 by hael Rigby-Jones

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{Quote hidden}

That would be my first guess as well.  Although running a CDR using PIO
instead of DMA is just begging to turn you burner into a coaster
manufacturing unit unless it has some kind of buffer underrun protection.


       -----Original Message-----
       From:   Mike Hord [SMTP:KILLspamgaidinmdKILLspamspamHOTMAIL.COM]
       Sent:   Wednesday, April 30, 2003 12:53 AM
       To:     RemoveMEPICLISTTakeThisOuTspamMITVMA.MIT.EDU
       Subject:        Re: [ot]: cd-rom and cd-r doesn' t work

       2.  Check the IDE cable.  It almost certainly needs to be an
ATA/66/100 job.
         Swap it out.  Rearrange the drives on the cable.

I've never seen a CDR/RW or CROM that supported anything higher than DMA33,
in which case a standard 40 conductor cable is adequate.

As an aside, There seems to be a commonly held belief that putting a
CDROM/Burner onto the same channel as your hard drive will slow the hard
drives data transfer rate.  This is only true if the CDROM in question only
supports PIO.  All modern DMA33 enabled devices will happily sit on the same
channel as a DMA100/133 hard drive without affecting it's performance.

Regards

Mike


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2003\04\30@123456 by Andre Abelian

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Colin,

Thanks for your replay.
windows 2000 doesn't show any cd I put one of them master
and the other one slave and when I change the cdr to master
it can boot it from cdr too (on start up only).
When I uninstall the drivers after I restart it finds new hardware
But after installing drivers it says "this device is not working
properly"
my problem is windows 2000 doesn't recognize any cd after installation.
I know for sure that ide bus is fine and cd drives are ok too it is just
some
thing happened to windows. I know for sure reinstallation will fix it
but I have too many softwares to install that is the problem.
I was looking for cd-rom installation software that might
Help.

Andre



{Original Message removed}


'[ot]: cd-rom and cd-r doesn' t work'
2003\05\01@005642 by Mike Singer
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Michael Rigby-Jones wrote:
> ..All modern DMA33 enabled devices will happily
>  sit on the same channel as a DMA100/133 hard
> drive without affecting it's performance...

  I have not compared DMA33 with DMA100/133 specs,
But I'm quite sure they are different. DMA100/133
were developed for speed, not compatibility, I think.

  Mike.

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2003\05\01@051045 by hael Rigby-Jones

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> -----Original Message-----
> From: Mike Singer [SMTP:msingerEraseMEspam.....POLUOSTROV.NET]
> Sent: Wednesday, July 02, 2003 5:42 AM
> To:   EraseMEPICLISTspamMITVMA.MIT.EDU
> Subject:      Re: [ot]: cd-rom and cd-r doesn' t work
>
> Michael Rigby-Jones wrote:
> > ..All modern DMA33 enabled devices will happily
> >  sit on the same channel as a DMA100/133 hard
> > drive without affecting it's performance...
>
>    I have not compared DMA33 with DMA100/133 specs,
> But I'm quite sure they are different. DMA100/133
> were developed for speed, not compatibility, I think.
>
>    Mike.
>
Nevertheless, they coexist quite happily on the same cable.  I have proved
this with my own PC, running a benchmark on the hard drive before and after
fitting a CDROM as a slave device on the same cable.  The results didn't
differ by any more than the normal repeatability variations.

Mike


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2003\05\01@135322 by Benjamin Bromilow

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Don't know how this helps but my CD-RW only works the first two or three
times I boot up. Then the computer stops recognising it (at all, even on the
boot-up BIOS screen). If I go into Linux (I dual boot) then go back into
Windows it works again... Very strange.. Perhaps Windows is changing
something in the BIOS every time??

Ben
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