Help with Hard Disk Interface

Article View: comp.sys.atari.st

Article #29379

#29379

From: Glen
Date: Thu, 26 Nov 1987 20:59

20 lines
1239 bytes

  I need some help with the Atari Computer System Interface (ACSI)
level one protocol.

In the developers docs it says "transfer data in 16 byte increment
blocks" [ACSI Application Notes, page 11]. What happens after 16 bytes???
Is the next byte an crc, checksum or something???? Or is the next byte just
the beginning of the next 16 bytes???? On the logic analyzer I just saw a
long stream of DRQ and ACKs with no division after 16 bytes. Is there a header
and/or trailer byte for these 16 bytes or what?

  Is there a AHDI Document as referenced in the "Engineering Hardware
Specification of the Atari ST?" If so, I didn't get it. Did anyone
else???? Does it answer any of my questions?

Reply to me or net

Thx
...!alberta!calgary!crash
Glen Stone

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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!husc6!hao!ames!ptsfa!ihnp4!alberta!calgary!crash
From: crash@calgary.UUCP (Glen )
Newsgroups: comp.sys.atari.st
Subject: Help with Hard Disk Interface
Message-ID: <1226@vaxb.calgary.UUCP>
Date: Thu, 26-Nov-87 15:59:26 EST
Article-I.D.: vaxb.1226
Posted: Thu Nov 26 15:59:26 1987
Date-Received: Sun, 29-Nov-87 22:32:17 EST
Organization: U. of Calgary, Calgary, Ab.
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