[coreboot] X201 porting
Peter Stuge
peter at stuge.se
Tue May 7 12:11:42 CEST 2013
George Chriss wrote:
> Which BIOS<->Bus Pirate pin assignments + serial mode are you using?
Unclear which bus pirate pins, but you need 5 connections to the
chip; GND SCK SI SO CS#
> Is the 'additional power supply' provided by the '3V3' pin on the
> Bus Pirate or an external power supply? Are there any special
> instructions on keeping the laptop powered or should the laptop be
> fully 'off'?
Don't connect a common power supply to the programmer and the mainboard,
only ground.
For most reliable operation, disconnect power cable and remove
battery. Keep laptop powered off. Connect programmer. Connect laptop
power cable but not battery. Run flashrom on second computer.
//Peter
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