1、下载Ubuntu 7.10 ：
http://releases.ubuntu.com/releases/gutsy/ubuntu-7.10-server-i386.iso
或
http://releases.ubuntu.com/releases/gutsy/
选择你想下载的版本
2、下载硬盘安装引导：
http://ftp.ubuntu.com/ubuntu/dists/gutsy/main/installer-i386/current/images/hd-media/initrd.gz
http://ftp.ubuntu.com/ubuntu/dists/gutsy/main/installer-i386/current/images/hd-media/vmlinuz
或
http://ftp.ubuntu.com/ubuntu/dists/gutsy/main/
下载和你的CPU对应的版本 i386 or x64 or sparc
3、下载Grub for DOS
http://sourceforge.net/projects/grub4dos/
4、配置硬盘引导
解压Grub for DOS包中 grldr, grub.exe, menu.lst三个文件到C盘根目录下
复制ubuntu的硬盘引导文件initrd.gz,vmlinuz同样到C盘根目录下
编辑boot.ini
[boot loader]
timeout=3
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /noexecute=optin /fastdetect
c:\grldr="go to grub"
编辑menu.lst
color black/cyan yellow/cyan
timeout 30
default /default
title Install Ubuntu7.10
kernel (hd0,0)/vmlinuz acpi=off
initrd (hd0,0)/initrd.gz
boot
title Back To (Windwos OS)
rootnoverify (hd0,0)
makeactive
chainloader +1
把ubuntu-7.10-server-i386.iso镜像放到任意盘的根目录下，如C:\ubuntu-7.10-server-i386.iso