[ Note: This mail was converted from HTML to text by majordomo. Formatting might be poor. ] Yes bill I have added metalic spacers (about 1cm) between the ST225 and the SASI board - It goes like a charm perfectly straight Regards, Hervé ----- Message d'origine ----- De: Bill Degnan Date: Lundi, Avril 27, 2009 16:54 Objet: re: Re : Re: 90x0, was: New user Ŕ: email@example.com > Hervé, > > As I predicted in an earlier post, the drive does not work with a > ST 225 and the cover on. You have to make custom risers to > compensate for the drive height differences and to keep the > controller board completely straight, or leave the cover off. A > slight bend in either controller will prevent the drive from > initializing correctly. > > Bill > > > > -------- Original Message -------- > > From: firstname.lastname@example.org > > Sent: Monday, April 27, 2009 10:01 AM > > To: email@example.com > > Subject: Re : Re: 90x0, was: New user > > > > [ Note: This mail was converted from HTML to text by majordomo. > > Formatting might be poor. ] > > > > Hi, all > > > > Very amazing the "explosion" of answers to my mail "hello - I > have a > > 9090 working !". Thanks you all for your welcome messages. > > > > I've got some update from my 9090 : > > - I've taken picture of all that could be taken in picture > > - I've closed the box and tryed to put it in the opposite side > (fan> up) in the objective to have a better heat extraction. The > ST225> stopped to work ! I've put it again on the side with the > fan down and > > the ST225 started to work again ! Any idea the reason why ? > > - I've had a closer look to the tandon 603 - It's definitely > dead as > > the plate engine can't run the mecanism - There is a huge hard > point> and it's even difficult to rotate it by hand. There most > have been a > > serious choc to this unit, even if silent blocs are imposants. > > - I've changed the unit number back to #10 (removed the strap > wire)> > > => Another questions > > - How many operationnal D9090 do you imagine are actually > still in > > the world ? > > - How many were built ? > > - What was original retail price ? > > - Does it exists a "test/demo" disk for this ? Does anyone has one > > copy ? > > > > > > Best regards - Hervé > > > > > > ----- Message d'origine ----- > > De: Ethan Dicks > > Date: Mercredi, Avril 15, 2009 16:11 > > Objet: Re: 90x0, was: New user > > Ŕ: firstname.lastname@example.org > > > > > On Wed, Apr 15, 2009 at 3:42 AM, Anders Carlsson > > > wrote: > > > > Ruud Baltissen wrote: > > > > > > > >> we can replace the MFM-drive by any drive we like: > > > > > > > > Honestly though, aren't 90X0 drives mostly collectable? > > > > > > Sure, but the 90X0 drives are also repairable and somewhat > > > modular, so > > > for me, at least, fixing a broken DOS board is something > obvious to > > > do. If I had a dead drive or a dead "middle board", I'd more > > > seriously consider either a more modern MFM drive (like an > ST225)> or > > > some way to hang a drive or drive emulator (FlashROM) off of the > > SASI > > > port so that the DOS board _thinks_ there's a drive out there. > > > > > > I'm not one to have a box just to look at - I want to run it > if it > > > works and fix it if it's broke. I know there are those out there > > who > > > are more interested in a "complete" system because of how it > > > looks. I > > > am much more in the "use and repair as necessary" group. > That being > > > said, I probably wouldn't toss out an old TM602S or TM603S > even if > > I > > > did replace it for use with something more modern (even an > ST225).> > > > > > For > > > > practical purposes of a storage device, I'm sure you can build > > > something> that is both smaller, lighter and more durable from > > > almost scratch. > > > > > > Sure. Since there's virtually no software that depends on DOS3.0 > > REL > > > files, there's nothing particularly magical about the > > implementation > > > of CBM DOS on the 90x0. One could design an entirely new > IEEE-based > > > storage device (and someone probably should), but since I > already> have > > > a couple of D90x0 drives sitting around and because the IEEE > > hardware > > > and firmware is done and known to be working on the DOS > board, I > > > always attacked the problem from the point of view of putting > > > something different on the far side of the DOS board than the > > "middle > > > board" and Tandon disk (especially since Tandons are odd and > rare> and > > > expensive). > > > > > > I am not in a position to be designing an IEEE storage > device from > > > scratch, but if such a project comes around, I'd be happy to > help> > debug and use it. The one thing that I'd want it to do > is to > > support > > > either floppy images (so U1/U2 commands work on the contents > of the > > > image) or have a way for an application to seek to an arbitrary > > > position in a file and read a block. This is to support a > virtual> > memory scheme for Infocom games. I have it working on > floppy-based > > > games (i.e. - just as Infocom did for the C-64), but am > unable to > > > migrate that to the D90x0. Some/most of the Flash-based IEC > drive> > emulators that I've seen will let you mount a partition > that's a > > .d64 > > > file, which would completely suffice. > > > > > > -ethan > > > > > > Message was sent through the cbm-hackers mailing list > > > > > > > Message was sent through the cbm-hackers mailing list > > > > > Message was sent through the cbm-hackers mailing list > Message was sent through the cbm-hackers mailing listReceived on 2009-04-27 17:16:18
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