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Re: quick start in new motherboards



Peter,

Do you have any info as to just how fast the "Quick Start" BIOS gets from RST# removal to PCI config cycles?

thanks,

Ted

Peter Marek wrote:
> 
> Hi,
> 
> this is true. The cause for this strange behaviour is that these chips load
> a part of their config space from an external serial EEPROM. If this takes
> too long (or the Quick Start is too fast), the chips will not be configured
> correctly.
> 
> Non volatile solutions for custom backend busses like QuickPCI from
> QuickLogic do not face these problems.
> 
> regards,
> 
> Peter Marek
> General Director
> MarekMicro GmbH
> tel.: 049-9621-9732-110
> fax: 049-9621-9732-199
> www.marekmicro.de
> 
> ----- Original Message -----
> From: "Marco Serafini - QR s.r.l" <r&d@qrverona.it>
> To: <pci-sig@znyx.com>
> Sent: Thursday, February 14, 2002 12:17 PM
> Subject: quick start in new motherboards
> 
> > Dear PCI experts,
> >
> > I've read in a tech-forum that some PCI cards based on nonstandard
> > PCI-to-local bus chips
> > (for example, PLX or ALTERA FLEX/ACEX) lost their PCI configuration space
> on
> > early BIOS start.
> > Particularly on the new motherboards with "quick start" CMOS option.
> >
> > Have you ever heard this topic?
> > Have you ever met any similar problem with modern motherboards?
> >
> > Thanks for comments.
> >
> > Marco