Emax

You've tried swapping drive cables haven't you?

Bob



--- Micke Askern\ufffds <micke@...> wrote:

> Hey!
> 
> The thing is .. if i change the faulty drive to a
> working drive i have in my 
> OTHER emax, my emax boots just fins from the
> zipdrive as it should...
> 
> The disk drive has boot priority, and if there is
> some way of changing that, 
> I would be home free.
> 
> Since the faulty drive thinks it has a disk
> inserted, it complains constantly 
> that there is an unusable disk inserted in the
> drive, when it is trying to 
> boot from the floppy (as earlier explained due to
> malfunction) ...
> 
> If i remove the drive altogether, the machine NEVER
> boots, since it is stuck 
> in the diagnostics screen.
> 
> Also note that this is the original emax .. there
> might be a different issue 
> with the emax II .. i have the plus os installed i
> think .. i'll double check 
> that... ;)
> 
> like i said. in worst case, i have found that if i
> unplug the power cord when 
> the drive is trying to access its nonexistent
> floppy, the boot procedure 
> continues and the machine boots as it should from
> zipdrive.
> 
> I need the floppy in my other emax as I have no zip,
> no nothing in that 
> one .. (yet) ..
> 
> Anyone who have a scsi upgrade kit for an emax with
> version2 of the digital 
> board? .. according to emulatorarchive, my emax can
> be modified, i just need 
> the circuits ;)
> 
> //Micke
> 
> On Sat, 30 Oct 2004 09:52:20 +1000, Damon Crowe
> wrote 
> > hi! 
> > 
> > I've just this minute seen this thread, but my I
> think my old emax II r/m 
> > used to boot from hd?.... 
> > 
> > I'll get back to you on this.... 
> > 
> > duh, 
> > 
> > damon.... 
> > 
> > ----- Original Message ----- 
> > From: "Micke Askern\ufffds" <micke@...> 
> > To: <emax@yahoogroups.com> 
> > Sent: Friday, October 29, 2004 8:43 PM 
> > Subject: Re: [emax] Emax (first one) without
> floppy...? 
> > 
> > > 
> > > Well .. i KNOW its toast.. but i dont WANT to
> get a replacement cause 
> i've 
> > > never used it .. =) 
> > > 
> > > I want the darn emax to stop trying to boot from
> floppy and boot from my 
> > > built in zipdrive instead... I cant remove the
> floppy cause the self 
> > > diagnostics never get past the diagnostics
> screen when booting up .. =) 
> > > 
> > > I dont want to pay what 70$ us, plus shipping to
> sweden for a component 
> > that 
> > > i never use and do not need .. ;) 
> > > 
> > > If worst comes to worst, I'll just add a switch
> that will cut power to 
> the 
> > > floppy after self diagnostics screen has passed
> ... that way it will boot 
> > on 
> > > my zipdrive instead... 
> > > 
> > > my guess is that it is a mechanical fault with
> the drive that thinks it 
> > has a 
> > > disk in it .. if so, it should be fixable so the
> floppy at least doesnt 
> > think 
> > > there's a drive in it ... but might not work
> anyway.. which would be 
> > fine... 
> > > cause the startup wouldnt halt ;) 
> > > 
> > > //Micke 
> > > 
> > > On Fri, 29 Oct 2004 01:13:04 -0700 (PDT), Bob
> Conner wrote 
> > > > Sounds like the drive is toast. I recommend
> getting a 
> > > > replacement. 
> > > > 
> > > > Bob 
> > > > 
> > > > --- Micke Askern\ufffds <micke@...> wrote:
> 
> > > > 
> > > > > Thanks for the tip Bob, unfortunately it
> keeps on 
> > > > > accessing the drive and 
> > > > > returning with the error message that the
> disk isn't 
> > > > > formatted ... regardles 
> > > > > if there is or isnt a floppy in the drive =/
> 
> > > > > 
> > > > > So, my options are: 
> > > > > 
> > > > > 1. find out what mechanics in the floppy
> that thinks 
> > > > > there is still a disk in 
> > > > > the drive... it is not always hanging, but
> sometimes 
> > > > > it actually manages to 
> > > > > pass through this state, and sees that there
> is no 
> > > > > disk .... 
> > > > > 
> > > > > What is it in a floppy that sends a signal
> "hey, 
> > > > > i've got a disk here!" ... 
> > > > > could it be dirty disk headers or
> something..? .. or 
> > > > > is it something 
> > > > > mechanical? 
> > > > > 
> > > > > 2. see if there is some way of bypassing the
> floppy 
> > > > > check during startup, so 
> > > > > it skips checking for diskdrive in
> diagnostics mode 
> > > > > .... doesnt seem like an 
> > > > > easy option ... (bypass floppy check in some
> emax 
> > > > > bios?) 
> > > > > 
> > > > > 3. faking the emax with a jumper somewhere
> that 
> > > > > gives the right signal back 
> > > > > to the machine that there is indeed a
> floppy. sounds 
> > > > > like a real tough one... 
> > > > > 
> > > > > 4. build in an additional switch that cuts
> the power 
> > > > > to the floppy when it 
> > > > > acts up.. this way i can get it to boot and
> i save 
> > > > > some power as well, but 
> > > > > i'd rather not drill another hole in the
> case 
> > > > > 
> > > > > So ... I have options, but I'm working on
> trying to 
> > > > > get #1 fixed... if i cant 
> > > > > do that, i know that option #4 WILL work
> (works fine 
> > > > > to just unplug the power 
> > > > > cable to the floppy when it is being a jerk)
> but it 
> > > > > is a dirty option imho ;) 
> > > > > 
> > > > > Any other input and tips on how to get this
> work? 
> > > > > 
> > > > > thanks, 
> > > > > Micke 
> > > > > 
> > > > > 
> > > > > On Wed, 27 Oct 2004 17:26:41 -0700 (PDT),
> Bob Conner 
> > > > > wrote 
> > > > > > I believe the "disk in drive" change disk
> signal 
> > > > > goes 
> > > > > > down one specific wire in the cable but I
> can't 
> > > > > > remember which. 
> > > > > > I suppose you could install a switch. 
> > > > > > 
> 
=== message truncated ===



		
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