Working with tsop flash
Felix
root at hamburg.de
Sun Sep 28 06:02:01 CEST 2003
On 09/27/2003 07:32:57 AM, Kevin O'Connor wrote:
> Hi,
>
> I have a motherboard that I would like to get linuxbios working on.
> Unfortunately, it has a TSOP flash part that is soldered directly
> onto
> it.
> I am concerned that if I write to the flash I may turn the unit into
> a
> "brick".
>
> Has anyone had any experience with removing a surface mounted flash
> TSOP
> part, and replacing it with a ZIF socket? If I understand it
> correctly, I
> should be able to heat up the leads of the current flash (melting the
> existing solder), extract the flash part, then solder on a zif socket
> (http://www.emulation.com/catalog/off-the-shelf_solutions/sockets/tsop/),
> and then finally use an eprom programmer on the existing tsop flash
> chip if
> it ever gets flashed incorrectly. Is this correct - anyone here done
> this
> before? Is this procedure very tricky (can one new to soldering
> expect to
> succeed at it)?
>
> Any advice would be appreciated,
> -Kevin
>
> --
>
> ------------------------------------------------------------------------
> | Kevin O'Connor "BTW, IMHO we need a FAQ for
> |
> | kevin at koconnor.net 'IMHO', 'FAQ', 'BTW', etc. !"
> |
>
> ------------------------------------------------------------------------
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>
what about "stacking" another flash part right over it, unsolder the
chip-select pins, connect both of them to a switch ---> home made bios
saviour. take a look at the data sheets, it might work.
Felix
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