some GPIO need to be enabled. I guess. You need to check the schematic in AMD NDA web site to find out which GPIO control that.
YH > -----Original Message----- > From: beneo [mailto:[EMAIL PROTECTED] > Sent: Thursday, May 12, 2005 10:57 AM > To: Ronald G. Minnich > Cc: [email protected]; YhLu > Subject: Re: [LinuxBIOS] flash issue with AMD Ref board > > > Ron, > > I was also thinking if the AMD senanade board has some > special hardware to protect eeprom write. but after I tried > to boot with AMI BIOS into Linux and use same flash_and_burn > utility to flash LinuxBIOS into the EEPROM sucessufully, I > started to be convienced there are some setup issue within > LinuxBIOS caused this. > > I spent sometime to check 8111 southbridge, but I couldn't > find anything there. > > Is that possible some setting in the Opteron that prevent > write access to the EEPROM address be passed down > southbridge? I'm not farmilar with the Opteron NB and CPU, > if you guys can give me some pointers, that would help me a lot. > > I don't have a scope now, I will see if I can get one. > > Thanks > > beneo > > ----- Original Message ----- > From: "Ronald G. Minnich" <[email protected]> > To: "beneo" <[EMAIL PROTECTED]> > Cc: <[email protected]>; "YhLu" <[EMAIL PROTECTED]> > Sent: Thursday, May 12, 2005 7:51 AM > Subject: Re: [LinuxBIOS] flash issue with AMD Ref board > > > > the flash problem: this sounds more to me like an enable > line that has > > been added for FLASHWR. > > > > Beneo, do you have a scope? it is often useful to put a > scope on the WR > > line and see if it is toggling. > > > > ron > > > > > > _______________________________________________ > > LinuxBIOS mailing list > > [email protected] > > http://www.openbios.org/mailman/listinfo/linuxbios > _______________________________________________ LinuxBIOS mailing list [email protected] http://www.openbios.org/mailman/listinfo/linuxbios
