EFI Shells

EFI Shells
http://efizone.edkoindustries.com/2011/05/efi-shells/
download the x86_64 UEFI Shell and copy it to you EFI SYSTEM PARTITION
or usb stick as /shellx64.efi

UEFI Services
http://software.intel.com/en-us/articles/uefi-services/

UDK2010.UP3.zip
http://en.sourceforge.jp/projects/sfnet_edk2/downloads/UDK2010%20Releases/UDK2010.UP3.P1/UDK2010.UP3.zip/

http://vip.asus.com/forum/view.aspx?board_id=1&model=P8H67-M+EVO&id=20110120020232945&page=1&SLanguage=en-us

Specifically download the "EDK II" Zip. It is also known as "UDK2010" or
soon 2011.
Inside the zip file is the path:
UDK2010.UP3\EdkShellBinPkg\FullShell\X64

and the file:Shell_Full.efi
Copy a UEFI shell and rename it to "shellx64.efi"

UEFI BIOS Utility v1.0.2.0 (UEFI Shell工具)
http://biosengineer.blogspot.jp/2011/08/uefi-bios-utility-v1008-uefi-shell.html

PS:
http://www.coolaler.com/showthread.php/263606-%E6%83%B3%E6%8A%93%E7%BE%8E%E7%BE%8E%E7%9A%84BIOS%E7%95%AB%E9%9D%A2%E5%97%8E%21-MSI-UEFI%E5%9C%96%E5%BD%A2%E5%8C%96%E7%95%8C%E9%9D%A2%E6%88%AA%E5%9C%96%E5%B7%A5%E5%85%B7%E5%8F%8A%E4%BD%BF%E7%94%A8%E6%95%99%E5%AD%B8

http://hi.baidu.com/minexp/blog/item/010dd12abcbc853cd52af188.html