hi !
i tryed to flash a tyan bios but he was 2kB longer from the bios that i read
with flashrom.
I use dd to make it fit in 1MB.
But now i can't flash because there is a write protection.
On a forum i have seen that you should link pin 7 and 32 of the rom chip.
this disable write protection.
So flashrom was able to write, but did stop at 0xF000.
Now my motherboard dont boot anymore.
I'am buying a chip + a plcc32 socket on ebay.
I will try again when i receive the chip, because it is very interessant !
Read of bios work very well, write not because of the write protection.
more read here => http://forums.bit-tech.net/showthread.php?p=2319331
Nicolas Aveline
From: [email protected]
To: [email protected]; [email protected]
CC: [email protected]; [email protected]; [email protected]; [email protected]
Subject: RE: Tyan S2915 OEM / HP xw9400 now supported
Date: Tue, 1 Jun 2010 03:50:27 +0200
Hi
this works fine !
flashrom v0.9.2-r1023 on Linux 2.6.32-22-generic (x86_64), built with libpci
3.0.0, GCC 4.4.3, little endian
flashrom is free software, get the source code at http://www.flashrom.org
Calibrating delay loop... OK.
No coreboot table found.
Found chipset "NVIDIA MCP55", enabling flash write... OK.
This chipset supports the following protocols: Non-SPI.
Found chip "SST SST49LF080A" (1024 KB, LPC) at physical address 0xfff00000.
No operations were specified.
> Date: Sat, 22 May 2010 10:05:30 +0200
> From: [email protected]
> To: [email protected]
> CC: [email protected]; [email protected]; [email protected]; [email protected];
> [email protected]
> Subject: Tyan S2915 OEM / HP xw9400 now supported
>
> Hi,
>
> flashrom should work fine since version 0.9.2 revision 1008 on all Tyan
> S2915 OEM boards.
> The reason for the failing access was that those boards have two MCP55
> LPC bridges. flashrom enabled the first LPC bridge (oddball PCI class)
> instead of the second one (ISA bridge PCI class). Since we don't have
> any reports of PCI ID 10de:0361 being used as "real" primary LPC bridge,
> we blacklisted that ID for now until class checking is in place (which
> may break on other boards with buggy BIOS, not sure). The "real" LPC
> bridge on this board has the PCI ID
>
> I'd appreciate full output of
> flashrom -V
> with latest flashrom (at least 0.9.2-r1008).
>
> Thanks to everyone who tested and provided lspci output.
>
> Regards,
> Carl-Daniel
>
> --
> http://www.hailfinger.org/
>
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