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From: D.C.Halliday@newcastle.ac.uk (Dave Halliday)
Newsgroups: comp.sys.atari.st,comp.sys.atari.st.tech
Subject: Re: Weird TT hard disk thingy
Message-ID: <1991Apr17.154845.29875@newcastle.ac.uk>
Date: 17 Apr 91 15:48:45 GMT
References: <1991Apr16.042133.20872@mailer.cc.fsu.edu> <1991Apr16.195300.1906@jato.jpl.nasa.gov>
Sender: news@newcastle.ac.uk
Organization: Computing Laboratory, U of Newcastle upon Tyne, UK NE17RU
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In article <1991Apr16.195300.1906@jato.jpl.nasa.gov>,
hyc@hanauma.jpl.nasa.gov (Howard Chu) writes:
|>In article <1991Apr16.042133.20872@mailer.cc.fsu.edu>
boyd@nu.cs.fsu.edu writes:
|>>My friend managed to get his external Supra HD connected to his TT
|>>(which has an internal SCSI device).  The TT differentiates between
|>>SCSI and ASCI devices.  The internal drive is set at SCSI 0, so my   
|>>friend set his Supra at SCSI 1, so they would not confict.  This 
|>>turned out to be the problem.  BOTH drives had to be set to SCSI 0 
|>>to work.  Extremely weird.  Anyone have an explination? 
|>
|>What did he plug the Supra into, daisy chained off the SCSI port, or
|>the Atari DMA port? If DMA port, then the answer is that you're using two
|>separate buses...

Yes, but why does this explain why it will not work with an id other
than 0? I can see that if TT SCSI and ASCI are seperate buses then it is
ok to use the same id. Does this meen that the TT ASCI port only
supports one device not the full 8 on the ST. If it supports the full 8
then with two buses or 16 SCSI devices the TT can handle some serious
backing storage :->

|>-- 
|>  -- Howard Chu @ Jet Propulsion Laboratory, Pasadena, CA
|>	Disclaimer: How would I know, I just got here!

Dave Halliday
(D.C.Halliday@newcastle.ac.uk)            


To:
Subject:

In article <1991Apr16.195300.1906@jato.jpl.nasa.gov>,
hyc@hanauma.jpl.nasa.gov (Howard Chu) writes:
|>In article <1991Apr16.042133.20872@mailer.cc.fsu.edu>
boyd@nu.cs.fsu.edu writes:
|>>My friend managed to get his external Supra HD connected to his TT
|>>(which has an internal SCSI device).  The TT differentiates between
|>>SCSI and ASCI devices.  The internal drive is set at SCSI 0, so my   
|>>friend set his Supra at SCSI 1, so they would not confict.  This 
|>>turned out to be the problem.  BOTH drives had to be set to SCSI 0 
|>>to work.  Extremely weird.  Anyone have an explination? 
|>
|>What did he plug the Supra into, daisy chained off the SCSI port, or
|>the Atari DMA port? If DMA port, then the answer is that you're using two
|>separate buses...

Yes, but why does this explain why it will not work with an id other
than 0? I can see that if TT SCSI and ASCI are seperate buses then it is
ok to use the same id. Does this meen that the TT ASCI port only
supports one device not the full 8 on the ST. If it supports the full 8
then with two buses or 16 SCSI devices the TT can handle some serious
backing storage :->

|>-- 
|>  -- Howard Chu @ Jet Propulsion Laboratory, Pasadena, CA
|>	Disclaimer: How would I know, I just got here!