On Wed, 23 Feb 2005 15:49:59 -0800, Jeff Carr <[EMAIL PROTECTED]> wrote:
> Attila Kinali wrote:
> 
> > The only thing i'm not sure about is, how the
> > pins of an FPGA react while programming, ie
> > whether they could lock up the PCI bus or something.
> 
> Great question. That could be a problem. I suspect the power to the chip
> if it's a PCI board will come from the dedicated 5V lines on the PCI
> bus. Maybe it's best to have the Host PC in a stopped state (the GRUB
> menu or something like that) so there is nothing on the PCI bus?

I think the I/O's are all tri-stated during programming, but I could be wrong.

What to do about a device disappearing from the bus is a solved
problem.  It's called PCI hot-plug.
_______________________________________________
Open-graphics mailing list
[email protected]
http://lists.duskglow.com/mailman/listinfo/open-graphics
List service provided by Duskglow Consulting, LLC (www.duskglow.com)

Reply via email to