Re: [N8VEM: 14006] 68030 SBC project ideas

I have a 2.4 Linux kernel running on my 386 atm with 16MB. It does run and there's 10MB free for user space processes beyond the shell.

Where are v4e/v5e Coldfire's available in a PLCC? I can only find BGAs. I would love it if I were just bind!

On June 24, 2012 at 10:16 PM "..I'd rather be coding ASM!" <ur...@deviate.fi> wrote:

>
> Hi,
>
> 040 would be a lot nicer as it has 8kb split I/D cache.
>
> Something to be wary of..
> With respect to 68k beyond 68010:
> 68EC020 - No external 68851 MMU possible. 16mb address space. EC= Embedded
> controller/Economy (in some circles). 68881/68882FPU possible
> 68RC020 - External 68851 MMU possible. 68881/68882 possible
>
> 68EC030 - Again no MMU. External FPU possible
> 68RC030 - Has MMU built-in. External FPU possible.
>
> 68EC040 - Embedded controller. No internal MMU, often smaller cache. No
> internal FPU.
> 68XC040 - Early revision RC cpu. May have bugs.
> 68RC040 - Internal MMU, FPU, 8kb cache.
> 68LC040 - as above with RC/XC but no working FPU.
>
> If your thinking about Net/OpenBSD, you need one of the MMU or feedable
> 68851 020's. FPU is lovely, but there is soft-float which as long as your
> not doing crypto (eg ssh/sftp/etc) it's pretty usable.
>
> Linux, forget it. It's too bloated for something with 16mb.
>
> A good source of old 030 and 040 processors is old apple Mac's. Many of
> the old 68k mac's that haven't been claimed by the "mac68k liberation
> army" go for beer money and frequently don't work. Usually this is because
> the nasty caps apple used have by now vomited clear electrolytic all over
> the PCB. Find if your just chasing a processor.
>
> What about ColdFire? the v4c/v5 afair has full MMU support and is
> available in a plcc package.
>
> Al
>
>
> --
> --
> Al Boyanich
> adb -w -P "world> " -k /dev/meta/galaxy/ksyms /dev/god/brain
>
> --
> You received this message because you are subscribed to the Google Groups "N8VEM" group.
> To post to this group, send email to n8...@googlegroups.com.
> To unsubscribe from this group, send email to n8vem+un...@googlegroups.com.
> For more options, visit this group at http://groups.google.com/group/n8vem?hl=en.
>