vista xp dualboot from different hardisk


i have use EasyBCD1.6(not the beta one)
i come from Hong Kong
and my vista is on C:\
and my xp is on J:\

and i set in EasyBCD1.6 like that
Windows Boot Manager
identifier {9dea862c-5cdd-4e70-acc1-f32b344d4795}
device partition=C:
description Windows Boot Manager
locale zh-HK
inherit {7ea2e1ac-2e61-4728-aaa3-896d9d0a9f0e}
default {13dd790c-dee6-11db-95ce-f4b035865950}
resumeobject {13dd790d-dee6-11db-95ce-f4b035865950}
displayorder {13dd790c-dee6-11db-95ce-f4b035865950}
toolsdisplayorder {b2721d73-1db4-4c62-bf78-c548a880142d}
timeout 30
Windows Boot Loader
identifier {13dd790c-dee6-11db-95ce-f4b035865950}
device partition=C:
path \Windows\system32\winload.exe
description Microsoft Windows Vista
locale zh-HK
inherit {6efb52bf-1766-41db-a6b3-0ee5eff72bd7}
osdevice partition=C:
systemroot \Windows
resumeobject {13dd790d-dee6-11db-95ce-f4b035865950}
nx OptIn
Windows Legacy OS Loader
identifier {c51692ea-4b55-11dc-b526-f1747175bf4e}
device partition=J:
path \ntldr
description Microsoft Windows XP

But when i chose xp i just restart the computer
and the boot.ini in J:\ i set like this
[boot loader]
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /noexecute=optin /fastdetect

How can i dualboot the xp and vista?
I don't know how much clearer you want it.

It's quite simple:
Documentation said:
EasyBCD | Add/Remove Entries | Linux/BSD. At the bottom of the EasyBCD window you will find a list of the various drives/partitions available on your PC, ordered according to the physical disk layout and labeled with both the filesystem-type and size for quick identification. Once you've identified the drive that contains your Windows XP installation, use the "drive" value that EasyBCD shows in that list as the "a" in rdisk(a). For the partition(b) value, you'll have to take the number that EasyBCD shows as the partition number, and add one to it.

So if in EasyBCD you have Drive 1 -> Partition 2; you're boot.ini would contain multi(0)rdisk(1)disk(0)partition(3).