Developer Manual/Tools/Dual Flash

From coreboot
Revision as of 22:07, 18 May 2011 by Mrtadis (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

Dual Parallel Flash

Dual flash "pie". One for keeping working firmware image. Flash chips are selectable by a tumbler switch
Detailed "pie" structure. In a yellow ellipse you can see blue lines, that shows how to bend pins
VCC is connected to pull-up resistors
Resistors are about 100 k?. Please note that green and red wires are also connected to their corresponding flash chip's chip select signal