Re: Letter
From: Andrew Gale [EMAIL PROTECTED] Can I just ask - if the DOS and existing software doesn't work with the two drives from one controller set up, how do users of the two-drive SAM Elite manage? Andy I beleive that the new models can run from one, i think the Dos has bee modified. I'm sure BB with tell us the truth. On the subject of model differences, have develpoers got a record of the different model variations and Dos changes etc. so that software can be written to cope with it all, i remember some 256K programs having trouble with the 512K model, i know the software wasnt written 'correctly' but it still happens. -- Dean Liversidge
RE: Letter
So. Why did they have two controllers then? There must have been a reason. I was reading an old issue of Format, where on Nev's Help Page there was a question about getting the error 'FORMAT DATA LOST' when copying between two drives on the Disciple/PlusD, and this was due to the (single) disc controller getting out of sync. It was mentioned that Sam does not suffer from this because it uses two. Nev might be able to shed more light on the matter, since he wrote the article :-) Dan. Work: [EMAIL PROTECTED] Shirk: [EMAIL PROTECTED] VVeb: http://www.podboy.demon.co.uk/
RE: reset--disk corrupt problem; where t
I made a gif picture of my DPU. Is it allowed to send it to list ? As good ol' Brian would say POST NO BINARIES! :-) Can you plonk it on the Web/FTP somewhere - or send it to me and I'll pop it up on my site for people to grab. Dan. Work: [EMAIL PROTECTED] Shirk: [EMAIL PROTECTED] VVeb: http://www.podboy.demon.co.uk/
Re: reset--disk corrupt problem; where to find info on Atom
I made a gif picture of my DPU. Is it allowed to send it to list ? Probably not allowed on the list, but could you send me one personally? Justin .. and me? -- Dave
Re: Letter
On Sat, 15 Aug 1998 11:38:47 +, you or Dan Doore [EMAIL PROTECTED] wrote: So. Why did they have two controllers then? There must have been a reason. I was reading an old issue of Format, where on Nev's Help Page there was a question about getting the error 'FORMAT DATA LOST' when copying between two drives on the Disciple/PlusD, and this was due to the (single) disc controller getting out of sync. It was mentioned that Sam does not suffer from this because it uses two. Nev might be able to shed more light on the matter, since he wrote the article :-) Yup, the problem is/was that with only one controler the 1772 internal registers for track/sector etc get updated from data held on the disk. As you switch from drive to drive the registers get out of sync and the 1772 thinks you should be on one track when you are in fact on another. This problem was fixed in unidos (remember that ?) by always restoring the registers from memory when ever the drive was switched. Sam could do exactly the same but it never was as the dos for sam was derrived from gdos rather than unidos and so did not save/restore the internal registerd. hth Nev's help pages eh ? that was a long time ago in another life.
Long overdue
Has anyone ever noticed how so many mailing lists (and IRC channels and newsgroups etc) have a web page? You know the sort of thing; a short introduction to the subject matter, and a list of some of the regular posters... This is something that sam-users has been missing. until now? Please point your browsers towards: http://carou.sel.cam.ac.uk/computers/samusers.html If anyone has any comments, or information you think should be added, please email it to me ASAP. Of course, the number of people listed on the page is seriously deficient at the moment, so I'd like you all to send me an email (er. thats one email each not all of you sending one email in total) with: - your name - your email address - any URLs you want to be linked - a short paragraph or two about yourself (subject to editorial discretion) - (as an attachment) a picture of yourself, preferably 100x100 pixels. If you don't have access to a scanner, maybe you could send me a photo by snail-mail, and I'll scan it in. Hopefully this will become quite a useful resource, if you all participate properly and help me build it. Andrew -- ++-++ | Andrew Collier | email [EMAIL PROTECTED] | Talk sense | | 1B NatSci | http://carou.sel.cam.ac.uk/ | to a fool | ++-+ and he calls | | Selwyn College Student Computer Support Team | you foolish| | email [EMAIL PROTECTED] | -- Euripides | +--++
