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From: jwb@ksuvax1.cis.ksu.edu (Jeff W. Brogden)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: Help with Super Agnus
Message-ID: <260471CC.505F@deimos.cis.ksu.edu>
Date: 19 Mar 90 05:44:43 GMT
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I write:
=
=I just had the new super agnus chip installed in my A2000.  Since then I have
=been experiencing numerous problems.  The most severe is that my floppy disk
=drives are almost unusable.  I am now plagued with read/write errors, bad
=disk validations, bad check sums, etc...  I can format a disk fine.  But if 
=I use copy, or diskcopy, the disks go crazy.
=
=Second, my screens, requesters, menues, etc. are full of garbage.  Moving
=windows around, or moving CLI's around, trashes up the screen to an unreadable
=state.  Text gadgets are filled with garbage when they are first displayed.
=And there are numerous other oddities, too many to mention.
=
=Does anyone have any idea what is going on, and more importantly, how to
=fix the problem?  Send me e-mail with suggestions and fixes.
=
=Thanks in advance,


I did some further investigation, and here is what I found:

Typing "version" in a CLI produced:

Kickstart Version 34.5. Workbench Version 34.28.


Typing "avail" in a CLI produced:

Type  Available    In-Use   Maximum   Largest
chip     953784     86368   1040152    953472
fast    1975088    122032   2097120   1970432
total   2928872    208400   3137272   1970432


Running a program called "ecs" which askes the agnus which type it is produced:

Enhanced Chipset (ECS) Detector Program, June '89
Full Public Domain - Do What You Will

Hardware Present:
  Super Agnus Chip (NTCS)
  Normal Denise Chip

Operating System is -Unaware- of the Presence of the Super Agnus Chip


Question is, how can "avail" show there is more than 512K chip RAM but the 
OS not know that the Super Agnus exists?  Is this why I am getting all the
garbage on the screen, etc.?

Again, please e-mail me with any suggestions on fixing the problem.  So far
I have had four people asking for copies of the responses I get, but no one
has offered any solutions.  Help!

Thanks in advance,


===============================================================================
Jeff Brogden					| Kansas State University
Internet: jwb@ksuvax1.cis.ksu.edu          	| Manhattan, KS.  66506
BITNET: jwb@ksuvm                           	| Office phone: (913)532-6350
UUCP: {rutgers,texbell,atanasoff}!ksuvax1!jwb	| Home phone: (913)776-5798
===============================================================================