RE: PC bios recognizing PCI card

["Bhaskar Bose" <bose@derivation.com>]

The FPGA design takes approximately 570ms to load.
Is this too long? We can speed this up to 125ms if we have
to, but it will take a little work.  Is the 125ms too slow
also?

-- Bhaskar


> -----Original Message-----
> From: Austin Franklin [mailto:austin@darkroom.com]
> Sent: Friday, April 05, 2002 10:46 AM
> To: PCI SIG Mailing List
> Subject: RE: PC bios recognizing PCI card
>
>
> This has been an issue.  There is nothing in the PCI spec (2.1 at
> least) for
> how long a card has to become "configured", per se...and since
> your FPGA has
> to take some time to configure, it is probably taking longer than
> the PC is
> taking to go look for it.
>
> What FPGA are you using, and how are you loading it?  Are there any "fast"
> modes available to speed up loading?  You can try having the BIOS do the
> "long" memory/POST test, and possibly delay the BIOS PCI configuration to
> see if that's the problem...
>
> Try going into BIOS "setup" mode also, and see if it recognizes
> it after you
> then exit that...as it SHOULD re-check the PCI configuration after exiting
> (possibly providing your exit does a reboot, if not, just hit the reset
> button to "exit" the BIOS setup and see if that helps).
>
> Austin Franklin
> austin@darkroom.com
>
>
> > -----Original Message-----
> > From: Bhaskar Bose [mailto:bose@derivation.com]
> > Sent: Friday, April 05, 2002 1:11 PM
> > To: pci-sig@znyx.com
> > Subject: PC bios recognizing PCI card
> >
> >
> > I have a PCI interface running on an FPGA.
> >
> > For some reason, the PC does not recognize the card on boot.
> > In the bios setting there is a flag for the PCI settings
> > that is "Reset PCI Configuration Data".  When I set this,
> > the PC sees the card.  This setting is disabled each time
> > you boot.  So therefore, the next time I boot the system
> > it does not see the card.  I have to set the "Reset PCI configuration
> > data" flag each time.
> >
> > For some reason the BIOS is not seeing my PCI card.  On other PCs
> > that have a different BIOS this is not a problem.
> >
> > Is there something PC related that I need to know about for PCI
> > configuration process?
> >
> > -- Bhaskar
> >
> > ------------------------------------------------------------------------
> > Dr. Bhaskar Bose                            Derivation Systems, Inc.
> > bose@derivation.com                         5963 La Place Court, Ste 208
> > Voice: (760) 431-1400 ext. 201              Carlsbad, CA  92008
> >   Fax: (760) 431-1484                       U.S.A.
> >  http://www.derivation.com
> >
> -------------------------------------------------------------------------
> >
> >
>