Adaptec controllers, Nakamichi 7 disc and OS/2 Lan

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2 total messages Started by SYSOP Sun, 24 Mar 1996 09:35

#16810

Author: SYSOP
Date: Sun, 24 Mar 1996 09:35

23 lines
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I am running OS/2 Warp Connect and Lan Server 4.0 with an Adaptec 2842
controller with 2 Nakamichi 7 disc changers.  The problem I have having
is that with disconnect enabled on the controller the changers will
randomly start to rotate through the cd's.  This can happen at any time
either right after a workstation logs in or several hours when the
system is idle.  With disconnect disabled all the machines freeze while
a disk is being changed.  Both OS/2 and DOS workstations.

I have tried using a 1542c and it does the same thing.

A friend has a 1542cf and is running the same changer under Win 95 and
he has told me that with disconnect enabled his drive starts the rotate
the cd's.

I have spoke with Adaptec and they have not been able to come up with
anything.

Is there anyone else having the same problem with either OS/2 or Win 95?

Does anyone have any ideas?

Thanks,
Brian

Re: Adaptec controllers, Nakamichi 7 disc and OS/2 Lan

#16811

Author: The Mu-meister
Date: Fri, 29 Mar 1996 14:35

30 lines
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SYSOP (brian_gold@towernet.net) spoke thusly:
: I am running OS/2 Warp Connect and Lan Server 4.0 with an Adaptec 2842
: controller with 2 Nakamichi 7 disc changers.  The problem I have having
: is that with disconnect enabled on the controller the changers will
: randomly start to rotate through the cd's.

: Is there anyone else having the same problem with either OS/2 or Win 95?

Well, mine one MBR-7 (Nak? Mountain? NEC, I forget <g>.) workied fine for the 
ten minutes I ran it on DOS6/Win31. I am now using it under NetWare 4.1.

I notice a HELL of a lot of swapping on bus reset (e.g. when the SCSI card 
driver loads - in this case it's a Future Domain TMC850, but I also used an 
AHA1542C. The Adaptec NetWare drivers don't support multiple LUN's, but I saw 
the same behavior.)

Perhaps, therefore, something is crashing and so the drivers are sending out a 
bus reset when the unidentified-bad-thing happens?
--
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