[flashrom] MX25L4005A with bus pirate

[Hugh]

Looks like that was it.  I lifted the chip's VCC from the MB and was then
able to communicate and program the chip.  The netbook now boots and there
is great rejoicing.  Thanks for the help!

-Hugh

On Thu, Oct 21, 2010 at 10:33 PM, Hugh <isur.o.o.t at gmail.com> wrote:

> I'll try lifting the Vcc pin on the board tomorrow.  The board does have a
> DEBUG_CON connector right next to the Flash chip which I suspect ties in,
> but as it has very fine connections and I have yet to find anyone that has
> made a cable to connect let alone reverse engineered the pinout, it won't do
> me any good.  I suppose if all else fails, I can try removing the chip from
> the board.  Thanks for suggestion!
>
> -Hugh
>
>
> On Thu, Oct 21, 2010 at 6:47 PM, Richard A. Smith <richard at laptop.org>wrote:
>
>> On 10/21/2010 07:43 PM, Hugh wrote:
>>
>>  All power from the board has been removed (AC, Main Battery, CMOS
>>> Battery, etc) and I have soldered in some 30ga wire to connect to the
>>> individual pins.
>>>
>>> I'm looking for any suggestions as to what I may be doing wrong.  If I
>>> need to post this in the over on the Dang.erous Prototypes forums, let me
>>> know.  Thanks!
>>>
>>
>> I missed this in my first read.
>>
>> I suspect that your laptop board does not have the proper isolation on the
>> 3.3V supply.  You have to power the SPI part only without powering the rest
>> of the motherboard for ICP to work.
>>
>>
>> --
>> Richard A. Smith  <richard at laptop.org>
>> One Laptop per Child
>>
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>>
>
>
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