How to do a DOS u disk boot disk

Now most people are using WinPE to do a U disk Startup disk, but some people like to start with DOS. Now for you to introduce how to do a DOS u disk boot disk.

The first step: First use Usboot Select Zip mode to the U disk, which has three command.com Io.sys Msdos.sys this is pure DOS system. And then it's enhanced, a new Config.sys write

Dos=high,umb

Devicehigh=himem. SYS

Devicehigh=emm386. Exe

Step two: Build a Autoexec.bat file to write

@echo off

Smartdrv.exe

The final copy of the NTFS.exe, so that DOS can access the NTFS-formatted hard drive pull.

OK, now you can use it to start, finish the job.