Path: utzoo!utgpu!water!watmath!clyde!rutgers!sri-spam!ames!oliveb!intelca!mipos3!cadev4!dbraun
From: dbraun@cadev4.intel.com (Doug Braun ~)
Newsgroups: sci.electronics
Subject: Re: SASI chips
Message-ID: <1578@mipos3.intel.com>
Date: 20 Jan 88 04:00:20 GMT
References: <1399@obelix.liu.se> <1405@obelix.liu.se>
Sender: nobody@mipos3.intel.com
Reply-To: dbraun@cadev4.UUCP (Doug Braun ~)
Organization: Corporate CAD, INTeL Corporation, Santa Clara, CA
Lines: 36

In article <1405@obelix.liu.se> p_e@obelix.liu.se (P{r Emanuelsson) writes:
>I wrote:

>2. Where can I get an SASI bus controller chip?
>   Does it exist?
>
>3. Which SCSI bus controller chip would you recommend?
>

I think SASI and SCSI are virtually identical for most purposes.
SCSI basically adds fancy things like syncronous transfer, arbitration,
more commands, etc., that you probably will not need.

I built a SCSI host interface for a custom Z80 system out of
latches and gates; it only took about 10 chips or so.

If your stuff is supposed to be connected to a PC,
a local surplus place has lots of host adapters for $15.
These were made by Ampex for a hard disk add-on system.
They have no documentation, but I have disassembled
the ROM code on them and written a device driver to
control a hard disk on my PC.

Halted Specialties in Sunnyvale (Call 408 555-1212 for the phone)
has the host adapters.  If anyone out there has bought one
or could use such a thing, let me know and I will post the code
for my device driver.

Doug Braun				Intel Corp CAD
					408 496-5939

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