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Article View: comp.os.os2.misc
Article #16737

Re: Adaptec 1542 and me: no joy

#16737
From: Meir I Green
Date: Thu, 28 Jan 1993 20:28
79 lines
3815 bytes
Uh oh!
I have gotten a few of those TRAP E's, here.
1542B.
OS/2 2.1b.

I just assumed that it has nothing to do with disk access, and is simply some
new OS/2 bugs :-(

In article <sridhar.728173274@fir.cs.scarolina.edu> sridhar@cs.scarolina.edu (M. A. Sridhar) writes:
>toy@crd.ge.com (Raymond L. Toy) writes:
>
>
>>I borrowed an Adaptec 1542B to use in my machine for a while to see
>>how things would go.  Sadly, they don't go very well.  
>
>>I made a backup and then reformatted the disk using as suggested in
>>the manual.  Restored from backup, and everything was just fine.
>>Everything would work just as it used to.  Except when I pound on the
>>disk reading and writing files.  Then, BOOM---internal processing error.
>
>>It seems that under heavy disk activity, the whole system is flakey.
>>It causes some program to halt with access violations.  When the disk
>>activity stops, and I rerun the exact same program, everything goes
>>just fine.  Other times the whole thing stops with an internal
>>processing error.  Usually trap e at the same location.
>
>>Some specifics:
>
>>	AHA1542B, default settings, except 5MB/sec DMA.  Termination
>>		resistors removed.
>>	Mylex 386 motherboard
>>	Conner internal harddrive, SCSI ID 0, terminated.
>>	Archive tape drive, SCSI ID 4, external, terminated.
>
>>	Beta aha154x.add from Adaptec BBS.  12/92 version
>
>>The SP aha154x.add was really flakey.  The beta version was MUCH
>>better---at least I can get some stuff done if I'm careful to
>>single-task everything :-(.
>
>>Does anyone have any suggestions and/or comments?  Since the 1542 is
>>such a popular controller, I have to believe it MUST work better than
>>this.  I'm doing something stupid I hope.
>
>>Thanks for your help!
>
>>Ray
>
>>-- 
>>Ray -----> toy@soho.crd.ge.com
>>Toy -----> GE CR&D, KW-C407, 0x6270
>
>I have never had good success with getting the Adaptec to work. I have
>precisely the same symptoms as you describe, and with a similer
>environment -- only I have *two* IDE drives on my IDE controller, in
>addition to the SCSI drive. And I have a Wangtek tape drive. I have
>just about given up on getting the SCSI drive to work under OS/2 for
>now; I'm hoping that the 2.1 beta will behave better.
>
>Oh -- I do know this is not a hardware problem. The system works fine
>under DOS and Dell Unix.
>
>Sridhar
>-- 
>M. A. Sridhar                  | 
>Department of Computer Science | sridhar@usceast.cs.scarolina.edu (Internet)
>University of South Carolina   | (803) 777-2427 (Ma Bell)      
>Columbia, SC 29208             | (803) 777-3767 (Fax)
>--
>M. A. Sridhar                  | 
>Department of Computer Science | sridhar@usceast.cs.scarolina.edu (Internet)
>University of South Carolina   | (803) 777-2427 (Ma Bell)      
>Columbia, SC 29208             | (803) 777-3767 (Fax)


 * * * * *  =================== Internet   mig@cunixb.cc.columbia.edu
* * * * * * == Meir I. Green == AmateurPkt N2JPG@W2XO.PA.USA.NOAM
 * * * * *  = mig@columbia.edu= Amateur IP N2JPG@uhm.ampr.org
* * * * * * =================== BC-Goliath green@smtplink.barnard.columbia.edu 
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From: mig@cunixb.cc.columbia.edu (Meir I Green)
Subject: Re: Adaptec 1542 and me: no joy
Message-ID: <1993Jan28.202854.1599@news.columbia.edu>
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References: <1993Jan27.144820.13741@crd.ge.com> <sridhar.728173274@fir.cs.scarolina.edu>
Date: Thu, 28 Jan 1993 20:28:54 GMT
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