Developer Manual/Tools/Dual Flash: Difference between revisions

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You may do it yourself. That's a great tool getting away from bricks :)
== Dual Parallel Flash  ==
== 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 switch]]
<gallery widths="400px" heights="300px" perrow="2">
[[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:Dual_parallel_flash.jpg|Dual flash "pie". One for keeping working firmware image. Flash chips are selectable by a tumbler switch
[[File:Pie1.jpg|300px|thumb|left|VCC is connected to pull-up resistors]]
File:Pie2.jpg|Detailed "pie" structure. In a yellow ellipse you can see blue lines, that shows how to bend pins
[[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:Pie1.jpg|VCC is connected to pull-up resistors
File:Pull-ups.jpg|Resistors are about 100 k&Omega;. Please note that green and red wires are also connected to their corresponding flash chip's chip select signal
File:Dual_par_flash_in_board.jpg|On board with less sockets, so there is enough space to insert PCI cards
</gallery>
 
 
 
== Dual SPI Flash  ==
This one might need to make a small PCB
<gallery widths="400px" heights="300px" perrow="2">
File:Dual_spi_flash4.jpg|On top is DIP flash
File:Dual_spi_flash3.jpg|SOIC flash, also some extension for fitting to board
File:Dual_spi_flash2.jpg|On [[ASRock_E350M1|ASRock E350M1]]
File:Dual_spi_flash.jpg|On [[ASRock_E350M1|ASRock E350M1]]
</gallery>

Latest revision as of 16:09, 1 July 2011

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

Dual Parallel Flash

  • Dual flash "pie". One for keeping working firmware image. Flash chips are selectable by a tumbler switch

    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

    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

    VCC is connected to pull-up resistors

  • Resistors are about 100 kΩ. Please note that green and red wires are also connected to their corresponding flash chip's chip select signal

    Resistors are about 100 kΩ. Please note that green and red wires are also connected to their corresponding flash chip's chip select signal

  • On board with less sockets, so there is enough space to insert PCI cards

    On board with less sockets, so there is enough space to insert PCI cards


Dual SPI Flash

This one might need to make a small PCB

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