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From: gsteckel@vergil.East.Sun.COM (Geoff Steckel - Sun BOS Hardware CONTRACTOR)
Newsgroups: comp.periphs.scsi
Subject: Re: Rolling One's Own Device Drivers
Summary: call Adaptec and pay $ to get docs
Keywords: driver docs
Message-ID: <6478@eastapps.East.Sun.COM>
Date: 31 May 91 18:24:08 GMT
References: <25098@well.sf.ca.us> <1991May30.184825.6659@seachg.uucp>
Sender: news@East.Sun.COM
Reply-To: gsteckel@east.sun.com (Geoff Steckel - Sun BOS Hardware CONTRACTOR)
Distribution: na
Organization: Omnivore Technology, Newton, Mass. (617)969-3448
Lines: 31

In article <1991May30.184825.6659@seachg.uucp> db@seachg.UUCP (David Bell) writes:
-In article <25098@well.sf.ca.us> shiva@well.sf.ca.us (Kenneth Porter) writes:
->
->How difficult is it to directly program an ISA/EISA host
->adapter? Ie. how good is the hardware-level documentation from
->the various vendors?  For example, does the Adaptec SCSI Master
->kit provide register-level documentation for those who want to
->roll their own drivers 
-> 
->Ken (shiva@well.sf.ca.us)
-
-When we asked for a tech manual to give us the register level info needed,
-we were told that this information was proprietory ! Any drivers etc. must
-be purchased from adaptec. This is NOT the type of support we are used to
-getting to say the least.

I was able to order the register level documentation for the
AHA-1542 directly from Adaptec.  They charge $20 unless you can
talk your local rep/office out of it.  Call them in CA (I don't
have the phone # here) and as for tech documents.  You'll get a
recording which describes how to order the manual.  They want a check
in advance.  It took about 2-3 weeks.

While I have many reservations about Adaptec support, the manual looks
complete, and the board certainly works.  Their Multibus I board, however,
didn't, so I wound up using an NCR board instead.
	good luck,
	geoff steckel (gwes@wjh12.harvard.EDU)
			(...!husc6!wjh12!omnivore!gws)
Disclaimer: I am not affiliated with Sun Microsystems, despite the From: line.
This posting is entirely the author's responsibility.