There's an EPROM set-up for the Grid 15xx on the Yahoo
Grid mailing list, but without the documentation, that
might be similiar.
http://groups.yahoo.com/group/RuGRiD-Laptop/files/
I'd like to see your files if you can find them.
Lawrence
On 30 Jan 2003, , Dave Mabry wrote:
> Maybe I shouldn't speak until I find what I will talk about,
> but here goes anyway. I used GRiD computers extensively
> during their "hey day" and I have several versions of the
> GRiDCase models. There was a program that I have somewhere
> that allows you to create MS-DOS bootable EPROM images and
> put files onto EPROMs for that series. It has about 10 or
> 15 pages of documentation. I will look for it all, scan it,
> and make it available to anyone who would like it. Let me
> know if it is worth the effort for me to do this. As long
> as there are a few who would use it I'll do that. Just
> reply to the list and I'll watch for interested folks.
>
> For a while I had a gridcase powering up each night about
> 3am, running a program that would recalculate on and off
> times for a bunch of X10 modules based on sunset and
> sunrise, and send that new schedule to the CP292 controller
> module through the serial port. All that was done on a
> simple GRiDCase 3 (the one with the plasma screen) and
> without any hard drive or floppy. It was all orchestrated
> from a single EPROM (or maybe it was two) that contained the
> boot code, and autoexec.bat, and the X-10 program. The last
> command it would issue to the CP292 X-10 controller was a
> command to kill the power to the GRiDCase itself. Every
> night at 3am this sequence would repeat. I thought that was
> a cool application for a ROM-based PC.
>
> Over the years Grid eventually removed the capability to
> store programs on EPROM, but I think it remained up through
> some of the 386-based GRiDCase models.
>
> Joe wrote:
> > I don't remember which model Grids I have but I've had
> them loose > their settings due to sitting too long and
> then they they couldn't > access their hard drives. All of
> them had a little door on the left > side above the
> keyboard with EPROM sockets in them. I finally found > one
> that had a EPROM in the socket. With that I could boot any
> of > them to a ***virtual*** C: drive and then update the
> settings and > then the computer would boot on the real C:
> drive even with the EPROM > removed. I've been meaning to
> make some copies of that EPROM but I > don't have a working
> EPROM burned that will burn that EPROM (27c010 > IIRC).
> FWIW none of my Grids have a floppy drive. The floppy drive
> > is external and I've never been able to find one. > > Joe
> > > > > At 07:04 PM 1/29/03 -0600, you wrote: > >> I not
> too recenly picked up a GRiDCase 3 with 2 "GRiD Disc System
> >> 2204" external hard drives. Just yesterday they both
> started acting >> up on me. It would initially spin up when
> you turned it on, but >> after a few seconds they would
> just kick off. A few seconds later I >> get a "1702"
> message on my screen. >> >> I'm lead to believe that there
> could be a configuration problem >> somewhere, but I'm not
> 100% sure on this. >> >> My questions are: >> >> 1. What is
> going on here? 2. How do I fix this? -- David Vohs >>
> netsurfer_x1_at_fastmailbox.net >> >> -- http://fastmail.fm -
> Choose from over 50 domains or use your own >> > > > . >
>
>
> --
> Dave Mabry dmabry_at_mich.com
> Dossin Museum Underwater Research Team
> NACD #2093
lgwalker_at_ mts.net
Received on Fri Jan 31 2003 - 19:08:43 GMT