Hi Alain, Thank you very much for this, I downloaded it. I'll play with it and see if I can get this BIOS flashing to work.
It is clear that I need to develop technical knowledge of FreeDOS if I want to learn how to flash some motherboards properly. Again, many thanks! Bob On 1/17/12 7:12 PM, Alain Mouette wrote: > Ah, ok, next message :) > > Well, you can use mine :) > > 1) Grab this: > <http://suporte.cosmodata.com.br/downloads/moni/CosmoData-M15020.iso> > 2) don't touch the COSMODAT dir... (no big deal, there is a password on > sensitive files) > 3) the FreeDOS/Disk is a perfect image of the boot disk, the > CosmoDOS.img is the booting image. > > This iso works, you can burn it and test :) > > It is a version a few months older then FreeDOS 1.1. It is full GPL, all > sources are included :) > > Alain > > Em 17-01-2012 21:07, Bob Cochran escreveu: >> Alain, >> >> I would like to try your method. I did something like this a few months >> ago but evidently missed a step since my CD would not really boot. This >> was to enable flashing a BIOS update on a motherboard. >> >> Can you tell me the names of all the files needed in your step 7? >> Perhaps I missed a file. >> >> Thanks so much! >> >> Bob Cochran >> >> >> >> On 1/17/12 2:27 PM, Alain Mouette wrote: >>> I have done this some time ago, it may help. It is for CD, but it would >>> be nice to convert it to SD-card... >>> >>> Alain >>> >>> Em 15-06-2011 11:51, Alain Mouette escreveu: >>>> How can I make a big (6Mb) bootable image to use in the CD? >>>> This is the only part of the CD that I can read on *any* machine, I am >>>> using isolinux) >>> With lots of help fom Eric Auer, I managed to make a bootable image with >>> FreeDOS. Here is how I did it: >>> >>> 1) Program needed: NASM, which I got from Debian >>> $ sudo apt-get install nasm >>> >>> 2) program from Eric for the boot sector: >>> <http://ericauer.cosmodata.virtuaserver.com.br/soft/specials/sys-freedos-linux.zip> >>> create a directory ./sys-freedos-linux and expand it there >>> >>> 3) create file of the right size. 5760k was ok for me, there is some >>> magic in the size and not everything will be ok. (more studies needed) >>> $ dd if=/dev/zero of=FreeDOS.img count=11520 >>> 11520+0 records in >>> 11520+0 records out >>> 5898240 bytes (5.9 MB) copied, 0.408512 s, 14.4 MB/s >>> >>> 4) Prepare it with a FAT file system >>> $ sudo mkdosfs -v FreeDOS.img >>> mkdosfs 3.0.1 (23 Nov 2008) >>> FreeDOS.img has 64 heads and 32 sectors per track, >>> logical sector size is 512, >>> using 0xf8 media descriptor, with 11520 sectors; >>> file system has 2 12-bit FATs and 4 sectors per cluster. >>> FAT size is 9 sectors, and provides 2867 clusters. >>> Root directory contains 512 slots. >>> Volume ID is 0cbb7ca7, no volume label. >>> >>> 5) compile and write a suitable boot sector. This is a smart script by >>> Eric Auer that configures it with the appropiate parameters >>> $ ./sys-freedos-linux/sys-freedos.pl --disk=FreeDOS.img >>> DOS boot sector for FreeDOS.img will be created by: >>> nasm -o /dev/stdout -dISFAT12 >>> ./sys-freedos-linux/bootsecs/boot.asm >>> Using FAT12. Partn offset 0, CHS *x64x32 Drive 0, (0x0, 0x29), >>> SerNo CBB-7CA7, Strings ' ', 'FAT12 '. >>> Boot sector successfully updated. >>> >>> 6) mount it in a directory >>> $ mkdir bootimg >>> $ sudo mount -v -o loop,uid=you,gid=you FreeDOS.img bootimg >>> >>> 7) copy into it KERNEL.SYS, COMMAND.COM and all other files >>> >>> 8) use it just the same way then the image made from a floppy, memdisk >>> will recognize it. I used isolinux, here is how I created the iso: >>> $ mkisofs -R -v -A "FreeDOS big boot CD" -V FreeDOS-V1.x \ >>> -b isolinux/isolinux.bin -c isolinux/boot.cat \ >>> -no-emul-boot -boot-load-size 4 -boot-info-table \ >>> -o /mnt/dados/Segurver/FreeDOS-V1.x.iso \ >>> /mnt/dados/CDROM >>> >>> Alain >>> >>> ------------------------------------------------------------------------------ >>> Keep Your Developer Skills Current with LearnDevNow! >>> The most comprehensive online learning library for Microsoft developers >>> is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, >>> Metro Style Apps, more. Free future releases when you subscribe now! >>> http://p.sf.net/sfu/learndevnow-d2d >>> _______________________________________________ >>> Freedos-user mailing list >>> Freedos-user@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/freedos-user >>> >> ------------------------------------------------------------------------------ >> Keep Your Developer Skills Current with LearnDevNow! >> The most comprehensive online learning library for Microsoft developers >> is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, >> Metro Style Apps, more. Free future releases when you subscribe now! >> http://p.sf.net/sfu/learndevnow-d2d >> _______________________________________________ >> Freedos-user mailing list >> Freedos-user@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/freedos-user >> > ------------------------------------------------------------------------------ > Keep Your Developer Skills Current with LearnDevNow! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-d2d > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user > ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
