Unsuccessful Read using FlashRom

[Rahngue NGARIERA]

Hi there. I tried to probe for/read the bios chip in my Dell T3400 (desktop
pc) using Flashrom 0.9.4 and 1.2  It detected chipset is Intel ICH9R and
then failed. FlashRom 0.9.4 found 2 flash chips AT25DF081A and AT26DF081A
then failed to read. But I could see on the mobo only one chip AT26DF081A
FlashRom 1.2 failed on Probe/Read while trying Hardware Sequencing. I've
attached the logs to this email. Looking at the list of supported chips, I
saw that success with this Intel chipset was "config-dependent". So what
corrections to get FlashRom to work for my Dell? or What flash utility do
you advise so I can get a copy of the bios chip?
Thanks for your help, Etonam.

[Mike Banon]

Seeing from your PROBE.TXT log that AT25DF081A and AT26DF081A are at
the same 0xfff00000 physical address, I think it's the same chip which
got detected twice. Do you have the opportunity to physically see the
markings on your chip to confirm its' model? Then, maybe with directly
specifying the chip's model using a "-c" option there could be more
success (of course with a new version of flashrom).

Also, I see that you are trying to use flashrom on MS-DOS. Please
could you try some LiveCD with Linux? (you may have to add the
"iomem=relaxed" option to Linux kernel flags after pressing e while at
GRUB for the default boot entry)

On Sat, Apr 3, 2021 at 2:52 PM Rahngue NGARIERA  wrote:
> Hi there. I tried to probe for/read the bios chip in my Dell T3400 (desktop pc) using Flashrom 0.9.4 and 1.2  It detected chipset is Intel ICH9R and then failed. FlashRom 0.9.4 found 2 flash chips AT25DF081A and AT26DF081A then failed to read. But I could see on the mobo only one chip AT26DF081A FlashRom 1.2 failed on Probe/Read while trying Hardware Sequencing. I've attached the logs to this email. Looking at the list of supported chips, I saw that success with this Intel chipset was "config-dependent". So what corrections to get FlashRom to work for my Dell? or What flash utility do you advise so I can get a copy of the bios chip?
> Thanks for your help, Etonam.
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