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Date:	Tue, 20 Jul 2004 15:16:31 PDT7
From:	Tom Brown <thombrown@san.rr.com >
Reply-To:	scoug-help@scoug.com
To:	scoug-help@scoug.com
Subject:	SCOUG-Help: SCOUG CD of the month

Content Type: text/plain

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J. R. Fox wrote:
> Tom Brown wrote:
>
>>Is anyone else having problems reading the SCOUG CD?
>>
>>My copy will not read in any of my 4 drives (CDROM, CDRW, & DVDRW).
>
>
> Hi Tom,
>
> It might help if you could be more specific. Some "unreadable" CDs
> can't be accessed in the drive at all. With others that exhibit
> problems, you may go to do something with a particular file or group of
> files, and they just bring up CRC or sector errors, but a lot of other
> stuff on the CD is still usable.
>
> Well, this is curious. I hadn't tried to read it until your message.
> Just put it into my Plextor 12/10s burner. There, it seemed to access
> rather slowly, but I could view the dozen files I tried at random, from
> various parts of the CD, including peering into a couple of Zip
> archives. Next, I moved it to the (older) Plextor Ultraplex-32
> reader. Nothing but CRC errors & timeouts. I might be inclined to
> think that the laser lens on the Ultraplex needs cleaning, or is
> running down on its service life . . . but most other CDs I have can
> still be read on it. Next, I will try it out on the DVD unit in the
> Shuttle, when I hook that up again later today. (I don't do the KVM
> thing here. It's one computer set up at a time.)
>
> This is interesting, in view of my discovery (mentioned here,
> previously) that 3 of the SCOUG CDs I have (from 2002 ?) were now
> unreadable here, on any drive.

In detail, when I try to read the SCOUG CD, I get:

***********************************************

main system:

[I:\] dir s: (UltraPlex CDROM)
***30-45 sec delay ***
Volume in drive S has no label.
The Volume Serial Number is 534E:4A52.
Directory of S:\

SYS0021: The drive is not ready.

[I:\]dir t: (PlexWriter12/4/32)
*** long delay, the yellow light flashes ***

SYS0021: The drive is not ready.

Second system:

[G:\]dir s: (PX-708A DVDRW)
*** 30 sec delay ***
Volume in drive S has no label.
The Volume Serial Number is 534E:4A52.
Directory of S:\
*** 30-45 sec delay ***
SYS0026: The specified disk or diskette cannot be accessed.

[G:\]dir t: (PlexWriter 40/12/40A)
*** 30 sec or so delay ***
Volume in drive T has no label.
The Volume Serial Number is 534E:4A52.
Directory of T:\
*** delay ***
SYS0026: The specified disk or diskette cannot be accessed.

***********************************

I think it is spending all of the delay time in error recovery. No way I
know of to determine exactly what is happening. :-(
It *does* seem to be able to read the volume serial number occasionally.

After more fooling about, the CDRW on my main system seems to be a bit
flakey when reading several commercial CDs. Hmmmmmm. More testing
required here.

--
Tom Brown
thombrown at san dot rr dot com
Member SCOUG, V.O.I.C.E. & SDAA
running eComStation GA + FP 3
eCS system uptime is 0 days 00:42 hours

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