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Thread: Chips in a OBDII PCM?

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  1. #17
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    I wouldn't get hung up on putting the ZIF on the board. The Moates header linked above looks like the proper pin spacing to use as a memcal plug. Remove the eprom and any other chips / hardware from the memcal and you've got a good socket to use for an adapter board. There's a guy selling adapter boards with the ZIF on Ebay for $20 with shipping but I'd bet you could find a solder type for less than $10 and permanently install the flash chip on the adapter. It'd be nice to find a DIP package flash that's compatible but it looks like the speed of those devices could be a problem.

    The socket you see on most of the adapter boards is a "Test socket" and you can see it here:
    http://www.enplas-ets.com/pdf2/sop_opentop_th.pdf
    The number is OTS-44-1.27-03. Sockets aren't cheap though. Ebay vendors tend to be above $25 per socket.
    Anyone want to share the cost? This brings them down to $9 each:
    http://www.ebay.com/itm/ws/eBayISAPI...ectorid=229466

    Happy hunting.
    Last edited by 1project2many; 01-14-2013 at 09:19 PM.

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