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Conference star::wizards

Title: "ASK THE WIZARDS"
Moderator:QUARK::LIONEL
Created:Mon Oct 30 1995
Last Modified:Mon May 12 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:1857
Total number of notes:3728

1726.0. "Open: Pinnaclemicro Apex 4.2 GB optical disk drives" by STAR::JKEENAN () Thu Apr 24 1997 10:44

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From: "VMS001::WWW"@vms001.das-x.dec.com (28-Mar-1997 1540)
To: [email protected], [email protected], [email protected]
Subject: Ask the Wizard: '[email protected]'
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modified
Remote Info: <null>
Name: Stephen R. Ernst
Email Address: [email protected]
CPU Architecture: VAX and Alpha
Version: v 6.2
Questions: 

a couple of questions:  I read FAQ decw-8. I have an lk411-b01
KB and I cannot get the double <> key (next to Z) to
transmit anything on my 400 4/233 running vms 6.2.
I tried to find the .exe file that axpdriv06_061 would
apply to.  I analy/im/pat sys$system:*term*.exe but
decw$terminal and _create reported no patches. there are
a lot of *driv* files in sys$ldr but none with AXP in the
name.   would
that patch (applied to which image) fix this problem?

Again, having checked the WIZ and the FAQ I still have
the following question:

We recently bought several Pinnaclemicro Apex 4.2 GB
optical disk drives.  These drives will attach (unmodified)
to SGI, IBM-pc and MAC computers (using the 512byt/sector 
formatted disk cartridges.  I tried to attach it to this
alpha.  The unit was recognized by the console  (it echoed
the above description of the drive) and appeared as dk300
when I "show dev dk " .  However when I attempted to initialize
a cartridge I got a media off line or media not mounted
errormessage.  the error log only logged one error:
invalid mode sense data returned.  I ran the scsi_info
program and got a 48 block file of stuff that doesn't mean
much to me.  some of the sense mode messages say the
data is "savable  yes" and some say no.  However , the 
problem boils down to this:  is this just another of an
on-going problem with DEC's constantly changing interpretation
(or application) of the scsi standard.  How can a semi-conscious
individual hope to read such an info-dump and conclude 
which resistor pak needs to be changed.  Don't tell me to
consult the manufactorer because they refuse to even consider
supporting the dec computers( like many many other mfgr's).  It is
true that DEC has not ever claimed to have tested these drives
and doesn't claim that they even might work or ever be supported.

On the other hand we live in a mix and match world and there
are a lot of competitors that will help to get cutting edge
tecnology to work on their systems.  Please don't give me
the software engineers pat answer.
RE:  how many software engineers does it take to screw in a
light bulb?

None.  Its a hardware problem. 

It seems that I am tantalizingly close and if possible 
would love to use this on our alpha server 2000.

Thanks

Steve Ernst
T.RTitleUserPersonal
Name
DateLines
1726.1DECterm; SCSI Device Integration and TestingXDELTA::HOFFMANSteve, OpenVMS EngineeringMon Apr 28 1997 11:5133
   The <> key is controlled from the DECterm options-keyboard menu,
   and from the session manager keyboard type selection.  Please make
   certain the correct selections have been made in both places.

	--

   Contact Pinnacle Micro for assistance with the integration and the
   testing of the Apex drive under OpenVMS.

   As a wizard, I have performed a number of Q-bus, UNIBUS, SCSI bus
   and various other-bus device integrations, and have even occasionally
   bled directly onto the cutting edge.  And as one familiar with device
   integration and testing, assuring that a device will operate as
   expected (particularly under the I/O load that can be generated by
   OpenVMS Alpha) is a non-trivial and potentially quite costly affair.

   The SCSI mode sense data has been one area of the SCSI interface
   that various SCSI vendors have omitted entirely, have returned
   unusual (and sometimes erroneous) data -- OpenVMS needs this mode
   sense data to map to the device, and OpenVMS was apparently one of
   the first operating systems to use the 10-byte mode sense command.

   For basic debugging information, see the SYS$ETC:SCSI_INFO tool and
   see the system error logs.  Between the two, information on what mode
   sense data is being returned will be available.  If the mode sense
   is incorrect, contact Pinnacle support.  If the mode sense is valid,
   contact DIGITAL support.

   DIGITAL has made a number of changes to better accommidate third-party
   SCSI devices when error(s) can be resolved or improvements can be made
   in OpenVMS, and DIGITAL has encountered a number of third-party devices
   with SCSI interface implementation errors.