FC2T3: Pendrive installation

Giuseppe Castagna Giuseppe.Castagna at ens.fr
Thu Apr 29 17:46:54 UTC 2004


On Wed, 2004-04-28 at 23:26, Jeremy Katz wrote:
> On Wed, 2004-04-28 at 13:30 +0200, Giuseppe Castagna wrote:
> > What should I specify for bs when copying by dd diskboot.img on my
> > pendrive?
> > 
> > I guess
> > 
> > dd if=bootdisk.img of=/dev/sda1 bs=6291456
> 
> You need to either a) dd to the disk (ie, /dev/sda) or b) make sure that
> the first partition is active in the partition table.  And bs isn't
> really needed

Thank your for your suggestions. Unfortunately they did not work for me.
I tried the solution (b) with two cases: a unique partition for the pen
or a small boot partition:

[root at myrte ~]# sfdisk -l /dev/sda
 
Disk /dev/sda: 1015 cylinders, 9 heads, 56 sectors/track
Units = cylinders of 258048 bytes, blocks of 1024 bytes, counting from 0
 
   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/sda1   *      0+   1014    1015-    255779+   b  Win95 FAT32
/dev/sda2          0       -       0          0    0  Empty
/dev/sda3          0       -       0          0    0  Empty
/dev/sda4          0       -       0          0    0  Empty

[root at myrte ~]# sfdisk -l /dev/sda
 
Disk /dev/sda: 1015 cylinders, 9 heads, 56 sectors/track
Units = cylinders of 258048 bytes, blocks of 1024 bytes, counting from 0
 
   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/sda1   *      0+     31      32-      8063+   b  Win95 FAT32
/dev/sda2         32    1014     983     247716    b  Win95 FAT32
/dev/sda3          0       -       0          0    0  Empty
/dev/sda4          0       -       0          0    0  Empty

In both cases the machine stops with some garbage on the screen.

I also tried the solution (a) but in that case the machine stops with
the message "Boot failed". Should I try to use a different usb key?

Thanks in advance

---Beppe---






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