Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!udel!haven!umd5!gk06 From: gk06@umd5.umd.edu (David O. Dodge) Newsgroups: comp.sys.apollo Subject: Re: How to park a disc for shipment. Message-ID: <7643@umd5.umd.edu> Date: 30 Nov 90 04:41:30 GMT References: <841@bacchus.esa.oz.au> Organization: University of Maryland, College Park Lines: 27 In article , hanche@imf.unit.no (Harald Hanche-Olsen) writes: > >In article <841@bacchus.esa.oz.au> don@bacchus.esa.oz.au (Don Isdale) writes: > > Could someone advise if there is a procedure for parking a disc > for shipping, other than "shut". > >There is an undocumented monitor command SH that I believe does this. >At least, that used to be folklore knowledge around here. If anyone >can confirm or deny this, I would like to know about it... > I was looking over the old DN300 "troubleshooting manual" yesterday and it states that when you are doing a complete shutdown, you use "SH" at the MD level and listen for the drive to spin down. I'm guessing it's fairly safe for shipping but I'm not sure if it actually "parks" the heads or not. BTW, the manual also explains several other MD commands (though I'm not exactly sure which ones are applicable to the newer models). Dave Dodge gk06@umd5.umd.edu (University of Maryland, College Park)