If you want to use CF chips instead of a harddrive.
I'd recommend Komputerbay chips sold on Amazon.
They aren't marked internally as removable like most.
Currently I'm using 32 gig to run dos. Hard to find anything
smaller now. You can run win 7 on them if you want.
cheers
DS
On Thu, 4 Jan 2018 21:47:55 +0000 (UTC) Gregg Eshelman via Freedos-user
<freedos-user@lists.sourceforge.net> writes:
> Here's the FreeDOS image. Volume label is FREEDOS2012. Will mount in
> Quemu as a RAW image. Can't relocate the site I downloaded it
> from.https://anonfile.com/J8sau4d4bc/FreeDOS.rar
>
> The storage is an IDE Flash Disk, AKA Disk On Module. It has a 44
> pin female header connector, same electrical interface as a 2.5" IDE
> hard drive. They're available dirt cheap in sizes from 64 megabytes
> to 2 gigabytes, not so cheap in 4 and 8 gigabytes. They were
> (possibly still are) made by around a dozen different companies, or
> that many put their logos on them. They come in three form factors.
> Bare PCB with right angle connector. Bare PCB with connector edge
> mounted. Plastic enclosed with connector on one edge. The latter two
> are easy to use as laptop hard drive replacements with a male/male
> pin adapter. *However*, the chips used on many of these DOM's are
> not too durable. They may not withstand the heavy write use of
> virtual memory or swap files. They're meant for embedded systems
> with an OS that does little or no writing to the storage.
> Â
> I'd install an actual hard drive if there was enough room inside the
> thin client.
>
> DOS or FreeDOS, I just want to get the thing to boot off the IDE
> flash module and run with as much EMS memory as it can. The software
> I need to run is made to run on anything with DOS, and EMS, and a
> serial port, all the way back to the 5150 IBM PC. Don't need any
> XMS, it loads the G-Code files into EMS, if available. Otherwise it
> uses whatever low memory is available and files too large to fit
> must be cut up with the spliiter/linker utility.
> Hopefully the WYSE Sx0 series thin client's memory map isn't all
> fragmented up like circa 1995 and newer laptops. They don't have a
> large enough contiguous RAM space to put the 64K EMS paging window.
> What would be very nice is to be able to hack the BIOS to either
> totally remove its tricks with the IDE port, or add an option to
> switch it between original and normal operation.
>
> If this can be made to work I'll write up a how-to so other PLM2000
> CNC mill owners can setup a tiny controller box and ditch the big
> PC. The control computer does zero computing of things like curves.
> It just sends G-Code to the mill and monitors return communications
> for encoder counts, limit switch activation and stop messages from
> exceeding torque limits. The servo controller in the mill does the
> heavy lifting.
>
> On Thursday, January 4, 2018, 12:26:17 PM MST, Robert Riebisch
> <r...@bttr-software.de> wrote:
>
> Hi Gregg,
>
> > Boot from USB and it's there. I have a FreeDOS image for a 64
> megabyte
> > module, which someone French setup for these thin clients. It will
> boot
> > just fine, but in French. Somehow it works around or ignores it
> hiding
> > or disabling the IDE controller.
>
> 1) Where did you get the FreeDOS image?
> 2) Can you make it available to us (Dropbox link?), so we can have a
> look?
> 3) What do you mean by saying "module"? Is it a CF card connected to
> the
> IDE connector?
>
> > Looks like I may have to use FreeDOS if there's no way to get past
> that
> > with some MS-DOS version. But if there's some special extra
> > configuration required for getting FreeDOS to work, I've no idea
> what it is.
>
> 1) Why are you keen on MS-DOS?
> 2) What's wrong with FreeDOS?
>
> Robert Riebisch
******************************************************>>>>
>From Dale Sterner - MS organic chemistry
http://pubs.acs.org/doi/abs/10.1021/jo00975a052
*******************************************************>>>>
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