Below is what Easy BCD says ...
G: drive is my second hard drive with single partition of 400 GB , and i want to use it in a separate computer as a single OS
There are a total of 3 entries listed in the Vista Bootloader.
Bootloader Timeout: 30 seconds.
Default OS: Windows 7
Entry #1
Name: Earlier Version of Windows
BCD ID: {ntldr}
Drive: C:\
Bootloader Path: \ntldr
Entry #2
Name: Windows 7
BCD ID: {default}
Drive: G:\
Bootloader Path: \Windows\system32\winload.exe
Windows Directory: \Windows
Entry #3
Name: Windows 7
BCD ID: {current}
Drive: K:\
Bootloader Path: \Windows\system32\winload.exe
Windows Directory: \Windows
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Windows Boot Manager
--------------------
identifier {9dea862c-5cdd-4e70-acc1-f32b344d4795}
device partition=C:
description Windows Boot Manager
locale en-US
inherit {7ea2e1ac-2e61-4728-aaa3-896d9d0a9f0e}
default {681721bd-698e-11de-a564-e688d7c1f389}
resumeobject {681721bc-698e-11de-a564-e688d7c1f389}
displayorder {466f5a88-0af2-4f76-9038-095b170dc21c}
{681721bd-698e-11de-a564-e688d7c1f389}
{681721b5-698e-11de-a564-e688d7c1f389}
toolsdisplayorder {b2721d73-1db4-4c62-bf78-c548a880142d}
timeout 30
Windows Legacy OS Loader
------------------------
identifier {466f5a88-0af2-4f76-9038-095b170dc21c}
device partition=C:
path \ntldr
description Earlier Version of Windows
Windows Boot Loader
-------------------
identifier {681721bd-698e-11de-a564-e688d7c1f389}
device partition=G:
path \Windows\system32\winload.exe
description Windows 7
locale en-US
inherit {6efb52bf-1766-41db-a6b3-0ee5eff72bd7}
recoverysequence {681721be-698e-11de-a564-e688d7c1f389}
recoveryenabled Yes
osdevice partition=G:
systemroot \Windows
resumeobject {681721bc-698e-11de-a564-e688d7c1f389}
nx OptIn
Windows Boot Loader
-------------------
identifier {681721b5-698e-11de-a564-e688d7c1f389}
device partition=K:
path \Windows\system32\winload.exe
description Windows 7
locale en-US
inherit {6efb52bf-1766-41db-a6b3-0ee5eff72bd7}
recoverysequence {681721b6-698e-11de-a564-e688d7c1f389}
recoveryenabled Yes
osdevice partition=K:
systemroot \Windows
resumeobject {681721b4-698e-11de-a564-e688d7c1f389}
nx OptIn
vga Yes
usefirmwarepcisettings No
bootlog Yes
sos Yes