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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