Date: Thu, 19 Jan 2006 10:30:12 +1100 From: jonathan michaels <jlm@caamora.com.au> To: Wilko Bulte <wb@freebie.xs4all.nl> Cc: freebsd-alpha@freebsd.org Subject: Re: 6.0R-alpha ISOs - not bootable? Message-ID: <20060119103012.62128@caamora.com.au> In-Reply-To: <20060118213106.GB57913@freebie.xs4all.nl>; from Wilko Bulte on Wed, Jan 18, 2006 at 10:31:06PM %2B0100 References: <20060107233120.GA556@freebie.xs4all.nl> <20060107233606.GB53165@seekingfire.com> <20060108091346.GA2801@freebie.xs4all.nl> <20060110145845.GV25702@seekingfire.com> <20060110181105.GA23635@freebie.xs4all.nl> <20060114155126.GQ53216@seekingfire.com> <6.2.1.2.2.20060116070710.02c64ea0@psulias.psu.edu> <20060116145719.GB29044@freebie.xs4all.nl> <l84ts1psieucesh85pmkoepqp0qnl508o2@4ax.com> <20060118213106.GB57913@freebie.xs4all.nl>
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greetings, hope you all had a happy peacefull christmass and you new years parties were much enjoyable. On Wed, Jan 18, 2006 at 10:31:06PM +0100, Wilko Bulte wrote: > On Wed, Jan 18, 2006 at 11:09:24AM -0800, J.C. Roberts wrote.. > > On Mon, 16 Jan 2006 15:57:20 +0100, Wilko Bulte <wb@freebie.xs4all.nl> > > wrote: > > > > >On Mon, Jan 16, 2006 at 07:14:02AM -0500, Paul Baughman wrote.. > > >> Finally had a chance to download 6.0R. It boots my 2100A fine and drops > > >> into the installer without a hitch. I was short of time, so I didn't do > > >> the install, but I thought you'd like to know that much. > > > > > >Fascinating. Now the big question is how do these 2 Lynx boxes differ? > > > > Actually, the two machines might be identical and the *only* difference > > is the type of CDR media being used. Older CDROM drives do not play well > > with a lot CDR media (depending on process type and dye color) because > > it has a lower reflectance than "Mastered" CDROM discs. > > Correct, I share that experience. i'm not sure that teh term "Mastered CDROM" means .. but i share the 'can't read the newer cut cd's made off the silvery (aluminium, i think it is) material in several older i386 machines and both of my dec hosts an alphastation and a surviving multia .. werks very good for a 90 mhz pentium, grin. > In addition, I also know from experience that accumulated dust on the > lens/laser of older CD drives negatively affects reliably reading CDR[W] yes, i would sugest regular cleaning, especially if thier is a smoker in teh house, i've found cleaning about once a year does wonders, note maybe twice a year with a non abrasive cdrom cleaning kit, the cheap ones use somthing akin to not so fine grade of sandpaper. also, two other things that have increased my success rate to about 99 percent is to use the gold plate tdk media (not it doesnt have to be tdk but so far thats the only brand that i've seen here in australia, i havent looked very hard, i'm mostly house bound) but the thing that seems to work teh most best is to have the production side of teh process to limit the "cutting speed" to as slow, as close as possible to "1x" as possible, the slower the better. note i've been told (in good faith) that the old cdrom players (some of mine are some 10 years of age early ide types) won't handle teh new 80 minute media. in my travels and sticking with the gold media and cutting teh media at 1x produces a cdrom that is virtually guaranteed readability in virtually all but teh most obstinate hardware .. i've not had a problem in any of my ide/scsi managarie dating back some twelve years of age .. all work, reliably and most will do so regardless of cutting speed (on teh gold media) but to be safe i always try to ensure its been cut at 1x or 2x, failing that at teh slowest speed possible. this is fopr home built cdr (sorry if i got teh tag wrong), so far i've managed to get good results from commercial cdroms that are made of teh aluminium material, except for one really cheap outfit that produced a netbsd boot disk that none of teh machines will recognise letalone are able to read. hope this helps, its teh summary of some ten, almost twenty years of experimenting ever since i got my first cdrom player a scsi nec cdr 84-1 (the original multispin worked (date of manufacture in 1984) a treat for a little over 15 years when teh electronics gave up. > But I have yet to see the SHOW CONF side by side. question, wilko, what would teh SHOW CONF, sorry both my alphas are ofline and i never got into teh niceties of teh "show conf" they both worked right off teh start line and i never need to delve into teh conf file. anyway hope this helps the veteran's brigade, though some of my and fellow machine users are aproacking classic and even antique statis, especially any one with a working ibm pc/xt .. sigh with kind regards and best wishes thank you for all you help over the years cheers jonathan -- ================================================================ powered by .. QNX, OS9 and freeBSD -- http://caamora com au/operating system ==== === appropriate solution in an inappropriate world === ====
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