Hi Eric,
You wrote:
> Hi, for using Linux to make an USB stick bootable, please do the following:
> Use fdisk to mark the partition on the stick as active / bootable
> Copy FreeDOS files to the partition, at least command com and kernel sys
> (can be found e.g. on http://fdos.org/kernel/ and freedos.sourceforge.net)
> Use my tool to write a boot sector to the partition on the stick:
> http://www.coli.uni-sb.de/~eric/stuff/soft/specials/sys-freedos-linux.zip
hmm.
I tried the following:
- cleared any partition information:
dd if=/dev/zero of=/dev/sdb bs=8k count=2
- created new partition-table:
fdisk /dev/sdb
- created primary partition 1 and marked as bootable
fdisk output:
Command (m for help): p
Disk /dev/sdb: 255 MB, 255852544 bytes
8 heads, 61 sectors/track, 1024 cylinders
Units = cylinders of 488 * 512 = 249856 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 1024 249825+ 6 FAT16
Command (m for help): x
Expert command (m for help): p
Disk /dev/sdb: 8 heads, 61 sectors, 1024 cylinders
Nr AF Hd Sec Cyl Hd Sec Cyl Start Size ID
1 80 1 1 0 7 61 1023 61 499651 06
2 00 0 0 0 0 0 0 0 0 00
3 00 0 0 0 0 0 0 0 0 00
4 00 0 0 0 0 0 0 0 0 00
- create new FAT16 filesystem:
mkdosfs -F 16 /dev/sdb1
- tried to run "sys-freedos.pl":
sys-freedos.pl --disk=/dev/sdb
which reports: "not 512 bytes per sector"
What does this complaint mean?
Robert Urban
> This should work in "forced fdd" boot style. For "virtual zip" or "virtual
> harddisk" modes, you may have to do extra boot sector adjustments as
> mentioned in my tool. For "virtual CD" or "virtual floppy" mode, you would
> have to overwrite the stick with a CD or floppy image, which would destroy
> the partition scheme on it, so it is no good idea...
>
> Some BIOSes allow you to select different boot styles, while others
> auto-select. I know at least one BIOS which only does forced fdd mode,
> so there is nothing to configure anyway.
>
> Please try this method, and forward it to the freedos-user thread which
> you started, after adding your comments. Thanks.
>
> Eric
>
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