Difference between revisions of "Developer Manual/Tools/Dual Flash"

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(Created page with "== Dual Parallel Flash == [[File:Dual_parallel_flash.jpg|400px|thumb|left|Dual flash "pie". One for keeping working firmware image. Flash chips are selectable by a tumbler switc...")
 
(Dual Parallel Flash)
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== Dual Parallel Flash  ==
 
== Dual Parallel Flash  ==
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You may do it yourself. That's a great tool getting away from bricks :)
 
[[File:Dual_parallel_flash.jpg|400px|thumb|left|Dual flash "pie". One for keeping working firmware image. Flash chips are selectable by a tumbler switch]]
 
[[File:Dual_parallel_flash.jpg|400px|thumb|left|Dual flash "pie". One for keeping working firmware image. Flash chips are selectable by a tumbler switch]]
 
[[File:Pie2.jpg|400px|thumb|left|Detailed "pie" structure. In a yellow ellipse you can see blue lines, that shows how to bend pins]]
 
[[File:Pie2.jpg|400px|thumb|left|Detailed "pie" structure. In a yellow ellipse you can see blue lines, that shows how to bend pins]]
 
[[File:Pie1.jpg|300px|thumb|left|VCC is connected to pull-up resistors]]
 
[[File:Pie1.jpg|300px|thumb|left|VCC is connected to pull-up resistors]]
 
[[File:Pull-ups.jpg|300px|thumb|left|Resistors are about 100 k?. Please note that green and red wires are also connected to their corresponding flash chip's chip select signal]]
 
[[File:Pull-ups.jpg|300px|thumb|left|Resistors are about 100 k?. Please note that green and red wires are also connected to their corresponding flash chip's chip select signal]]

Revision as of 22:10, 18 May 2011

Dual Parallel Flash

You may do it yourself. That's a great tool getting away from bricks :)

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