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On Sat, 2005-01-29 at 12:06, Timothy Miller wrote:
> On Sat, 29 Jan 2005 08:34:40 +0100, Pieter Hulshoff <[EMAIL PROTECTED]> wrote:
> > On Saturday 29 January 2005 04:17, Timothy Miller wrote:
> > > On Fri, 28 Jan 2005 19:01:35 -0500, Andr� Pouliot
> > > <[EMAIL PROTECTED]> wrote:
> > > > I'm a student at the university and my program is Microelectronics
> > > > Engineering , so i'm about to go talk to the director of my program
> > > > about the card. But one of the factor to sold it to him is the ability
> > > > to reprogram it. If you try to reprogram it using your own code and
> > > > forget to implement the pci interface (or did'nt do it right) will it's
> > > > still be possible to reprogram it using the computer? Or must we use a
> > > > external programmer?
> > >
> > > You would need an external programmer, unless we decide to separate
> > > out the controller into another chip, which we really want to avoid.
> >
> > Why not have a backup flash with a jumper, so you can always reinstall the
> > original program into the FPGA? There's many motherboards around that use a
> > similar technique.
>
> Yes. It's simply a matter of cost, not just in terms of chips but
> also PCB routing complexity. It is, however, an idea that we still
> have on the table.
>
Or another solution could be to use a flash twice as big and make the
second part accesible via a jumper, to select wich one to load when
restarting. So it will be still possible to program the 2 part at once.
But one contain the normal code and the second part the new code, also
you can dodge the necessity of an external programmer if something screw
up while doing an update.
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