i made live xp with BootSDI option , the iso works perfectly in VM even on usb with grub4dos commands.e.g
title LiveXP_RAM
find --set-root --ignore-floppies/LiveXP_RAM.iso
map /LiveXP_RAM.iso (hd32)
map --hook
chainloader (hd32)
But when i boot it on real pc cd works ok not the usb , if i add --mem command then it works ok on usb too.
why it needs --mem command for usb on real pc and not in VM..?
How to boot BOOTSDI.IMG of live xp on usb...? i get error file not found (hd0,0)/NTLDR with following commands:
title LiveXP-BootSDI
map /I386/BOOTSDI.IMG (hd0)
map --hook
chainloader (hd0,0)/NTLDR
Waiting for solution THX in advance.... 