[LinuxBIOS] different versions of the GA-M57SLI-S4 (PLCC vs SPI)

echelon at free.fr echelon at free.fr
Sun Sep 2 17:10:51 CEST 2007


again me ;)
also when probing the 25 pad (SCK) of SIO with the scope, there doesn't seem to
be electrical activity on this node (it stays tied @ 5V all the time..)
also I have given an erroneous measure in my previous mail: the frequency of the
spi clock is 16 MHz and not 25..
 Florentin

Quoting Peter Stuge <peter at stuge.se>:

> On Sat, Sep 01, 2007 at 10:13:21PM +0200, Carl-Daniel Hailfinger wrote:
> > >> SPI detection/flashing support is on my list.
> > >
> > > Is the SPI flash connected to the sio on the m57sli?
> >
> > No idea.
>
> So we should find out.
>
> Ward - do you have a continuity tester? Could you see if the SPI
> flash chip is connected to the Super IO?
>
> If I get a high-res photo of the Super IO and the flash chip area I
> can mark the pins that should be connected on both to get a yes/no
> indication.
>
>
> > > I didn't think that's where the flash chip was actually
> > > connected.
> >
> > AFAIK CK804/MCP55 don't have SPI support. That's why the SuperI/O
> > adds it.
>
> Intel ICH has SPI, but maybe different for NVIDIA chipsets.
>
> The logic design controlled by the boot-from-PCI jumper on the m57sli
> is less obvious with external SPI, but it's still entirely possible.
> I hope it is this simple! :)
>
>
> //Peter
>
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