In general, you need an MMU to run most Unixes, including Linux. The 68000 board wouldn't do the trick. The 386 board, on the other hand, should do fine (you can run older Linux kernels in 8 MB RAM just fine; newer ones don't support the 386 at all).
- Dave > On Jul 29, 2014, at 20:04, yoda <[email protected]> wrote: > > You can actually run linux on much smaller systems - not with virtual memory > but with swap space. Should be able to run an old version on the 68K board > too - just need to get the RTC and PIC board running for interrupts and time > slicing. Remember unix/linux started out on machines that had less than 16MB > of real memory. > > Dave > >> On Tuesday, July 29, 2014 6:26:18 PM UTC-5, monahanz wrote: >> I have so far absolutely no experience with Linus Andrew. My very long >> term goal is to have it on all of the boards mentioned below, should be >> doable. The “Achilles heel” of the 80386 system right now is RAM. I think >> we can get to 64MG with the daughter board but that system really requires a >> SIMM in the GB range. That will require a difficult board to layout >> involving a DRAM refresh circuit. This is currently past my capability >> and I have toyed with the idea of offering financial “a reward” to the first >> person that provides me with a practical design that I can get to work. >> Probably later in the year anyway as the is a backlog right now. >> >> >> >> John >> >> >> >> >> >> >> >> From: [email protected] [mailto:[email protected]] On Behalf >> Of Andrew Bingham >> Sent: Tuesday, July 29, 2014 1:34 PM >> To: [email protected] >> Subject: [N8VEM-S100:4731] Re: An ARM CPU on the S100 bus >> >> >> >> John, >> >> >> >> I was trying to find information the other day on historical ARM CPUs >> thinking about this as well. >> >> >> >> One thought though - would writing Linux drivers to use the GPIO pins on >> this module to interface with the S-100 IO boards be more or less difficult >> than writing Linux drivers to be able to use the 386 board, or re-spinning >> the 68000 board to support one of the later 68k versions that will run >> Linux? In my mine it seems like we have at least a couple more "direct" >> options for Linux before going to the highly integrated module. >> >> >> >> I'd like to see a HD6120 board. But I have more things I'd "like to see" >> than time to make them happen. >> >> >> >> Andrew >> >> On Tuesday, July 29, 2014 10:58:58 AM UTC-7, monahanz wrote: >> >> I have been doing some long term planning as to the direction I would take >> in doing new S100 boards. To recap, we now have a 6502, Z80, 8080 (Josh), >> 68000, 8088, 8086, 80286 and soon an 80386 set of boards on the S1000 bus. >> Andrew and I have already started laying out an 80486 board. >> >> Since I do a lot of flying on business I have time to read up on chips and >> recently I have been thinking what would be the best way to get ARM CPU's on >> the bus. There are many types, and while one could start with a bare chip >> it does seem to make more sense to start with an embedded module. There are >> many of these, most of which boot up Linux immediately. One particular one >> I'm fairly impressed with is an Italian one called "Aria G25" see:- >> >> http://www.acmesystems.it/aria >> >> Also it lends itself to easy pin splicing/layout on a board. It has good >> documentation and software support. I particularly like the fact that it has >> 60 GPIO pins. These could be easily spliced into our S100 bus so we could >> use our current boards for I/O. (In fact at 400MHz, one could also use the >> S100 RAM!). I know some of you will view this as sticking a Lamborghini >> engine in a Volkswagen, but would it not be neat to see Linus running on the >> S100 bus. >> >> Comments please, in particular I would be interested in any other similar >> modules. >> >> John >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "N8VEM-S100" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
