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Article #4524Re: DEC SCSI HD; optional features ?
From: Ralf-Peter Rohbeck
Date: Tue, 30 Jan 1996 16:23
Date: Tue, 30 Jan 1996 16:23
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2054 bytes
n.kraaijeveld@sepa.tudelft.nl (Niels Kraaijeveld) wrote: >Hi SCSI expert, > >I have documentation about my SCSI HD (Digital DSP3000L Series), but >for a non-SCSI expert it is very brief. So can anyone tell my anything >about (or where can I find good detailled documentation): > >- notification of AC power failure Spits out any cached write data and retracts the actuator. Stops responding to commands. Active low input. >- spindle synchronization Synchronize multiple spindles in a system by connecting this pin across all of them. Bidirectional TTL open collector. >- write protection Now that's easy isn't it? Active low input. >- spin delay Do not spin up at power up (wait for a START UNIT or wait a certain time defined in the mode pages.) Active low input. It's all in the manual or installation guide. > >And what is the best configuration for the HD. Just make sure write caching is on. Set the WCE bit in the caching mode page. Get yourself DSP tools to do that. E.g. at http://www.vobis.de/bbs/firmen/quantum/tools/index.html Hope this helps, Ralf-Peter ======================================================================== Ralf-Peter Rohbeck rrohbeck@qntm.com Quantum GmbH-Application Engineering-Central Europe (+49) 69-950767-18 Berner Str. 28, 60437 Frankfurt, Germany fax (+49) 69-950767-91 #include "disclaimer.h" tech support hotline (+49) 69-950767-26
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Path: arc1-ca.pugleaf.net!worf.qntm.com!root From: Ralf-Peter Rohbeck <rrohbeck@qntm.com> Newsgroups: comp.sys.dec,comp.sys.ncr,comp.periphs.scsi Subject: Re: DEC SCSI HD; optional features ? Date: 30 Jan 1996 16:23:51 GMT Organization: Quantum Germany Message-ID: <4elgmn$mlv@worf.qntm.com> References: <4efscn$os6@mo6.rc.tudelft.nl> NNTP-Posting-Host: rprmac.qntm.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 1.1N (Macintosh; I; 68K) To: n.kraaijeveld@sepa.tudelft.nl X-URL: news:4efscn$os6@mo6.rc.tudelft.nl