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Article #24770

Re: dma to scsi adaptors and cheap hard disks

#24770
From: jdg
Date: Thu, 05 Feb 1987 13:03
36 lines
2199 bytes
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I used the Berkeley Micro board and an ACB 4000.  After blowing one
board (they replaced it for free) through no particular fault of my own,
I have a 42mb drive up and running.  I used a IBM-XT style case and 135
watt P.S. to round out my HD subsystem.  The two boards are mounted in
the case along with the drive.  The control cable comes out the front of
case and hooks to the ST.  The case makes a nice monitor stand ta' boot.

They supply the DMA code loaded at startup to run the drive and also 2
utilities to set and access the battery backed-up clock on their board.
To date (I've had it running a month now) I've only had one problem. The
clock programs refuse to deal with the month of February(!!!). I can set
it ahead to March or back to January but February is out of the
question.  Jim Turner,  have you experianced the same problem?  I'm
investigating...

The HD is quite fast, and it's not hick-up 'ed yet.
My partitions are 15meg, 15meg, 6meg, and 5meg.
All in all, if you already have an ST506 type drive, for ~$350 it's the
way to go.

Oh yes, BMS says their driver and board support 2 hard disks.  Since I
only have one I can not confirm nor deny that.

The cost:
BMS board, driver, cable: $125
ACB-4000:                ~$125 (depends where)
Case:                     $ 40
Power supply:             $ 50


-- 
Jeff Gortatowsky       {allegra,seismo}!rochester!kodak!elmgate!jdg
Eastman Kodak Company  
<Kodak won't be responsible for the above comments, only those below>
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Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!rutgers!seismo!rochester!kodak!elmgate!jdg
References: <110@xrxns.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!rutgers!seismo!rochester!kodak!elmgate!jdg
From: jdg@elmgate.UUCP
Newsgroups: comp.sys.atari.st
Subject: Re: dma to scsi adaptors and cheap hard disks
Message-ID: <569@elmgate.UUCP>
Date: Thu, 5-Feb-87 08:03:11 EST
Article-I.D.: elmgate.569
Posted: Thu Feb  5 08:03:11 1987
Date-Received: Sat, 7-Feb-87 11:45:46 EST
References: <110@xrxns.UUCP>
Reply-To: jdg@aurora.UUCP (Jeff Gortatowsky)
Followup-To: comp.sys.atari.st
Organization: Eastman Kodak Company, Rochester, NY
Lines: 34
Keywords: more info available hd SCSI DMA
Summary: I rolled my own as well.