[coreboot] Dual SPI Flash

Oliver Schinagl oliver at schinagl.nl
Tue Mar 6 10:41:34 CET 2012

On 06-03-12 10:22, Peter Stuge wrote:
> Oliver Schinagl wrote:
>> Well My electrical engineering knowledge does not reach as far that I would
>> know where to connect what :) I can read a schematic and solder based on
>> that, but those pictures from the wiki that I linked,
>> http://www.coreboot.org/Developer_Manual/Tools/Dual_Flash  has a small PCB,
>> with 2 flash chips on it, but I can't figure out where to connect what.
> That's the simple mod with some photos showing the principle at
> http://stuge.se/m57sli/
> A variation to the concept is to have a switch pull down the HOLD#
> pin to GND. This should also work fine as long as the switch is not
> toggled while the flash chip is being accessed.
>> I do think it's a great idea, and maybe it would be an idea to draw the PCB
>> in kicad/geda or the like, and actually have small batches made. I know
>> dangerousprototypes.com has loads of small PCB's made for a few bux.
> I guess whoever made the PCB can publish source and gerbers so that
> others can order the same board if they want.
That would be probably the best idea to start with. I've been staring at 
the foto of the pvb for a while, and did notice as you said, only one 
pin is being diverted. Mrtadis is the one who uploaded the foto, his 
user page on the wiki however is quite empty, other then mentioning 
wanting to become a GSoC student.
> //Peter

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