[coreboot] Unable to flash Pm49FL004

Corey Osgood corey.osgood at gmail.com
Thu May 8 04:01:03 CEST 2008


Don't feel too stupid, I made the same mistake ;)

-Corey

On Wed, May 7, 2008 at 4:45 PM, Richard Stellingwerff <remenic at gmail.com>
wrote:

> Okay I feel like an idiot right now. Flash write protect was indeed
> enabled in the BIOS. It works great now that I've disabled it. Thanks
> :)
>
> Kind regards,
> Richard.
>
> On Wed, May 7, 2008 at 7:15 PM, Corey Osgood <corey.osgood at gmail.com>
> wrote:
> > Check in the factory BIOS that BIOS write protect is set to off. If
> there is
> > no such option, then you might have to do some work to turn the BIOS
> write
> > protection off.  Check the flashrom board enables for other
> vt8237r-based
> > boards (epia cn, etc) for hints.
> >
> > -Corey
> >
> >
> >
> > On Wed, May 7, 2008 at 9:28 AM, Richard Stellingwerff <remenic at gmail.com
> >
> > wrote:
> > >
> > >
> > >
> > > Hi all,
> > >
> > > I finally got myself a PLCC extractor so I can start getting coreboot
> > > to work on my Jetway J7F4K1G2E-PB board. However, I'm already running
> > > into a problem trying to write the original bios on the Pm49FL004.
> > > Extracting the BIOS from the original ROM works fine, but trying to
> > > write it into the new chip (after hot-swapping them) results in this:
> > >
> > > # flashrom -wv backup.bin
> > > Calibrating delay loop... OK.
> > > No coreboot table found.
> > > Found chipset "VIA VT8237", enabling flash write... OK.
> > > Pm49FL004 found at physical address 0xfff80000.
> > > Flash part is Pm49FL004 (512 KB).
> > > ===
> > > This flash part has status UNTESTED for operations: PROBE READ ERASE
> WRITE
> > > Please email a report to flashrom at coreboot.org if any of the above
> > operations
> > > work correctly for you with this flash part. Please include the full
> > output
> > > from the program, including chipset found. Thank you for your help!
> > > ===
> > > Flash image seems to be a legacy BIOS. Disabling checks.
> > > Programming page: 0007 at address: 0x00070000
> > > Verifying flash... FAILED!
> > >
> > > Reading from the Pm49FL004 returns all FF's (checked with hexedit).
> > >
> > > I compiled flashrom myself from SVN a few minutes ago.
> > >
> > > Anyone know what I can do?
> > >
> > > Kind regards,
> > > Richard Stellingwerff.
> > >
> > > --
> > > coreboot mailing list
> > > coreboot at coreboot.org
> > > http://www.coreboot.org/mailman/listinfo/coreboot
> > >
> >
> >
>
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