Solved Creating USB boot windows

Greetings.

Could anyone answer, what am I doing wrong?
After % sudo dd if=/dev/zero of=/dev/da0 bs=1M just trying to burn ERDcommander.iso to boot it on a PC under windows XP OS.
What I am doing:
Code:
% gpart create -s mbr da0
da0 created

% gpart add -b 512 -t ms-ldm-data da0
da0s1 added

% gpart set -a active -i 1 /dev/da0
active set on da0s1

% gpart bootcode -b /boot/boot0 da0
bootcode written to da0

% sudo dd if=/usr/home/kaldown/NFS/ERD/ERD50_x86_WinXP_SP3_blueforce.iso of=/dev/da0s1 bs=1M
184+1 records in
184+1 records out
193200128 bytes transferred in 9.370193 secs (20618586 bytes/sec)

Code:
% gpart show da0
=>      63  30867393  da0  MBR  (15G)
        63       504       - free -  (252K)
       567  30866850    1  ms-ldm-data  [active]  (15G)
  30867417        39       - free -  (20K)

But after booting from usb-fdd there are following misunderstanding
Code:
F1: ?

F6 PXE
And F1 wouldnt boot ERDcommander =(
Probably I just misunderstand something, for example, is that normal, that I can not
Code:
% sudo mount /dev/da0s1 /mnt/flash/
mount: /dev/da0s1: Invalid argument
Thanks!
 
An ISO image is meant for a CD or DVD. While some ISO images are dual-purpose and can work when written to a hard drive or memory stick, others do not. So either get a memory stick or hard disk image, or find a program that can write the ISO onto a memory stick in the right format.
 
wblock@ said:
An ISO image is meant for a CD or DVD. While some ISO images are dual-purpose and can work when written to a hard drive or memory stick, others do not. So either get a memory stick or hard disk image, or find a program that can write the ISO onto a memory stick in the right format.
Thanks, just right now notice that using dd for FreeBSD.iso works fine
file -s /dev/da0 shows data, without any partition and boot well.
And after using what I'm writing above - shows that it's and iso image - not normal filesystem
 
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