Upgrading to SCSI CD-ROM from IDE CD-ROM

Upgrading to SCSI CD-ROM from IDE CD-ROM

Post by B.Y » Mon, 13 Apr 1998 04:00:00



Hello, I just upgraded my system from an old IDE CD-ROM to a UltraPlex
14/32 and a RICOH 6201S [I think that's the number] 6R2W CD-ReWriter.
The problem is that I can no longer see a CD-ROM.  Can someone show a
fool what possible mistakes he might have made?

System:
Dual PP166/512 in a SuperMicro P6DNE, 192MB of EDO RAM (32MB x 6);
Seagate Barracuda (4G)          at SCSI ID #1   [/dev/sda]
Seagate Hawk 2 (2G)             at SCSI ID #2   [/dev/sdb]
Plextor Ultra 14/32 CD-ROM      at SCSI ID #3   [not clear which dev]
Ricoh 6201S CD ReWriter         at SCSI ID #4   [not clear which dev]
Fujitsu 230 MB MO drive         at SCSI ID #6   [/dev/sdc]
old Adaptec 2940 SCSI card      at SCSI ID #7
cheap SB compatible sound card
D-Link DE220 ISA NE2000 clone
Matrox Millenium 8 MB (original)

System:         Red Hat 4.2 [afraid to touch 5.0] set up with the old
                IDE/ATAPI CD-ROM in place of the newer CD drives.

Symptoms:       Cannot read either CD drive.  When trying to mount either
                /dev/scd0 or /dev/scd1, get a not ready error saying that
                either superblock is bad or drive is empty.

Other data: the system minus the motherboard has been in use continuously
        since Jan 96, until the CD-ROM upgrade.  Both the Ricoh and the
        ultra Plex is detected at boot time as sr0 and sr1 [but not as
        scd0 or scd1] ... A kernel was compiled with the SCSI CD-ROM and
        generic support.

Any comments, as well as helpful hints on how to get CD-writing going if
and when I fix this, will be welcome.  E-mails tips welcome!

--
| "A tyro might just have a case for not wanting to face strange methods; |
|  for a self-professed expert to whine about not being able to deal with |
|  innovations would be, at the very least, unbecoming." -Ralph Hirshberg |

 
 
 

Upgrading to SCSI CD-ROM from IDE CD-ROM

Post by Thomas E. Dod » Mon, 13 Apr 1998 04:00:00



> System:         Red Hat 4.2 [afraid to touch 5.0] set up with the old
>                 IDE/ATAPI CD-ROM in place of the newer CD drives.

> Symptoms:       Cannot read either CD drive.  When trying to mount either
>                 /dev/scd0 or /dev/scd1, get a not ready error saying that
>                 either superblock is bad or drive is empty.

> Other data: the system minus the motherboard has been in use continuously
>         since Jan 96, until the CD-ROM upgrade.  Both the Ricoh and the
>         ultra Plex is detected at boot time as sr0 and sr1 [but not as
>         scd0 or scd1] ... A kernel was compiled with the SCSI CD-ROM and

Try mounting sr0 and sr1 instead of scd0
or scd1.
The CD-writing HOW-TO shows this as the
block device
for SCSI-CDs. This will also show you
the setup for
the CD-R drive, using the sg (generic
SCSI interface).

        -Thomas

>         generic support.

> Any comments, as well as helpful hints on how to get CD-writing going if
> and when I fix this, will be welcome.  E-mails tips welcome!

> --
> | "A tyro might just have a case for not wanting to face strange methods; |
> |  for a self-professed expert to whine about not being able to deal with |
> |  innovations would be, at the very least, unbecoming." -Ralph Hirshberg |



 
 
 

1. NEC CDR-260 CD-ROM (Gateway IDE CD-ROM)

Has anyone had success with the alpha CDR-260 driver on sunsite?  I
tried patching and compiling on both 1.0.9 and 1.1.18 sources
(slackware) and while both patched and compiled, neither could accesss
the CD.  I tried a cat /dev/idecd (which I created according to the
insructions) and it gave me an I/O error.

If anyone has made this work, please mail me.  (Include kernal
version).  I'll summarize if there is interest.

--

------------------------------------------------------------------------

IBM stands for "Inferior But Marketable"

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