[flashrom] Intel 28F001BN/BX-T erase/write operation verified on 3C905B-TXNM

Lu Xie lxie1 at andrew.cmu.edu
Sat Jan 3 18:36:53 CET 2015


I performed another erase and 5 write operations on that chip with the same
network adapter. Hopefully it has some useful data here.
I flashed the chip with different BIOS's and they work on their desired


On Wed, Dec 31, 2014 at 7:14 AM, Lu Xie <lxie1 at andrew.cmu.edu> wrote:

> Yes. There is another flash between the two. The chip is
> bootblock-protected unless PIN30 is pulled up to 12V. I forgot that and
> flashrom failed to complete flashing. I flashed again with that PIN wired
> to 12V and send you the log of the successful flash. So I guess flashrom
> only flashed bootblock this time.
> On Dec 30, 2014 11:15 AM, "Stefan Tauner" <
> stefan.tauner at alumni.tuwien.ac.at> wrote:
>> On Sat, 13 Dec 2014 05:42:33 +0800
>> Lu Xie <firexl at gmail.com> wrote:
>> > Hi,
>> >
>> > I tried programming Intel 28F001BN/BX-T on 3C905B-TXNM but it failed at
>> > erase/write. I checked that chip's datasheet and it says PIN 1 and 30
>> must
>> > be pulled to 12V to accept erase/write operation, but the card can only
>> > offer 5V at PIN 1 and NC at PIN 30. So I wired 12V to the two pins and
>> then
>> > flashrom erased/wrote the chip successfully. Please check the attached
>> > output files for the two attempts.
>> Hello Lu,
>> Thanks for report! The successful log does not correspond 100% with the
>> first one: the failure happens at the very beginning of the flash
>> address space while the successful write does skip the first blocks and
>> does only erase and write the last one. This can easily happen
>> depending on the existing data and the image provided to flashrom. Just
>> to make sure... can you please elaborate what happened between the two
>> attempts that could explain what I wrote above?
>> --
>> Kind regards/Mit freundlichen Grüßen, Stefan Tauner
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