Re: PCXRN-AR firmware

From: Ben Myers (_at_)
Date: 06/29/05 

Date: Wed, 29 Jun 2005 15:22:07 GMT

Some of the older drives used in DEC systems had firmware to disguise the
original equipment manufacturer and to make the device conform to DEC's rules
imposed by certain operating systems. For example, the older 12x SCSI CD-ROM
drive identified itself as DEC RRD46 during the SCSI rollcall of devices,
instead of some Toshiba model. Apparently whatever operating system is on your
Compaq Professional Workstation XP1000 is not as rigorous in its acceptance of
devices. The older proprietary DEC operating systems may have been a bit more
skittish regarding firmware and device timings, so DEC imposed rigid quality
control through firmware, an approach that more modern computers could use. I
guess that DEC ordered drives with the 1017 firmware for its XP1000 systems...
Ben Myers

On Wed, 29 Jun 2005 14:44:37 +0000 (UTC), "Emeric Maschino"
<emeric.maschino@jouy.inra.fr> wrote:

>Hi everybody,
>
>> The Toshiba XM-6302B PCXRN-AR.A02 CD-ROM drive in my Compaq Professional
>> Workstation XP1000 just died. Fortunately, I managed to get a
>> second-hand XM-6302B CD-ROM drive. But this one comes with firmware 1012
>> rather than 1017. Does anybody still have an image of the 1017 firmware?
>
>I've contacted the European Toshiba technical support. A few hours
>later, I received an email with the 1017 firmware in attachment. Kudos
>to Toshiba for this lightning fast and appropriate answer.
>
>To answer Ben Myers question, I don't know the difference between the
>1012 and 1017 firmwares. Both seem to work flawlessly in my XP1000
>workstation. My original CD-ROM drive identified itself as Toshiba
>XM-6302B; there was no DEC-specific tag (like PCXRN, PBXGI, etc.) so
>the difference isn't here. I was only looking for the 1017 firmware
>because all the outputs of show config I can find on the web for the
>XP1000 workstation have the Toshiba XM-6302B CD-ROM drive with 1017
>firmware.
>
>I now have the 1017 and the latest 1021 firmwares available on zip
>archives if interested.
>
>
>--
>Posted via Mailgate.ORG Server - http://www.Mailgate.ORG

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