[LinuxBIOS] M57SLI Rev2.0 SPI - how to add the second bios chip (incl. pictures)

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Mon Oct 15 01:00:10 CEST 2007


On 12.10.2007 20:40, Harald Gutmann wrote:
> i always read about SST25LF040A and MX25L4005A chips which are used for bios 
> on that mainboard. my mainboard which is also revision 2.0 has a different 
> bios chip, which a device from winbond called 25X40VSIG.
> here's the link to the datasheet of this chip: 
> www.winbond-usa.com/products/Nexflash/pdfs/datasheets/W25X10_20_40_80g.pdf
> this is just a statement, that there are also boards with that bios-chips 
> out there.
>
>
> original bios chip:
> %<---------------------------------------------------------
> benchvice flashrom # ./flashrom --mainboard gigabyte:m57sli
> Calibrating delay loop... ok
> No LinuxBIOS table found.
> Found chipset "NVIDIA MCP55": Enabling flash write... OK.
> Found board "GIGABYTE GA-M57SLI": Enabling flash write... Serial flash segment 
> 0xfffe0000-0xffffffff enabled
> Serial flash segment 0x000e0000-0x000fffff enabled
> Serial flash segment 0xffee0000-0xffefffff disabled
> Serial flash segment 0xfff80000-0xfffeffff enabled
> LPC write to serial flash enabled
> serial flash pin 29
> OK.
> RDID returned ef 30 13
> No EEPROM/flash device found.
>   

Yes, limitation of the current code, I have patches pending and will
send once I'm healthy again.

> benchvice flashrom #
> %<--------------------------------------------------------
>
> after changing the position of the spdt switch:
> %<--------------------------------------------------------
> benchvice flashrom # ./flashrom --mainboard gigabyte:m57sli
> Calibrating delay loop... ok
> No LinuxBIOS table found.
> Found chipset "NVIDIA MCP55": Enabling flash write... OK.
> Found board "GIGABYTE GA-M57SLI": Enabling flash write... Serial flash segment 
> 0                                                            
> xfffe0000-0xffffffff enabled
> Serial flash segment 0x000e0000-0x000fffff enabled
> Serial flash segment 0xffee0000-0xffefffff disabled
> Serial flash segment 0xfff80000-0xfffeffff enabled
> LPC write to serial flash enabled
> serial flash pin 29
> OK.
> RDID returned c2 20 13
> MX25L4005 found at physical address: 0xfff80000
> Flash part is MX25L4005 (512 KB)
> No operations were specified
>   
Expected output.

Carl-Daniel




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