[coreboot] Unable to flash Pm49FL004
remenic at gmail.com
Wed May 7 22:45:40 CEST 2008
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
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.
> On Wed, May 7, 2008 at 9:28 AM, Richard Stellingwerff <remenic at gmail.com>
> > 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
> > work correctly for you with this flash part. Please include the full
> > 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.
> > --
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