Nope, it has changed. See info below:
BCDEdit /set
The /set command sets a boot entry option value in the boot configuration data store. Use this command to configure specific boot entry elements, such as kernel debugger settings, data execution protection (DEP) and processor address extension (PAE) options, and to load alternate hardware abstraction layer (HAL) and kernel files.
bcdedit /set [{ID}] datatype value
Parameters
[{ID}
The {ID} is the GUID that is associated with the boot entry. If you do not specify an {ID}, the command modifies the current operating system boot entry. If a boot entry is specified, the GUID associated with the boot entry must be enclosed in braces { }. To view the GUID identifiers for all of the active boot entries, use the bcdedit /enum command.
datatype value
bootlog [ yes | no]
Enables the system initialization log.
hal file
Directs the operating system loader to load an alternate HAL file. The specified file must be located in the %SystemRoot%\system32 directory, and its file name must conform to 8.3−character format.
increaseuserva Megabytes
Specifies the amount of memory, in megabytes, for user-mode virtual address space. This variable can have any value between 2048 (2 GB) and 3072 (3 GB) megabytes in decimal notation. Windows uses the remaining address space (4 GB minus the specified amount) as its kernel-mode address space.
kernel file
Directs the operating system loader to load an alternate kernel. The specified file must be located in the %SystemRoot%\system32 directory, and its file name must conform to 8.3−character format.
nolowmem [ on | off ]
Controls the use of low memory. When nolowmem on is specified, this option loads the operating system, device drivers, and all applications into addresses above the 4 GB boundary, and directs Windows to allocate all memory pools at addresses above the 4 GB boundary.
nx [Optin |OptOut | AlwaysOn |AlwaysOff]
Enables, disables, and configures Data Execution Prevention (DEP), a set of hardware and software technologies designed to prevent harmful code from running in protected memory locations.
Optin
Enables DEP only for operating system components, including the Windows kernel and drivers. Administrators can enable DEP on selected executable files by using the Application Compatibility Toolkit (ACT).
Optout
Enables DEP for the operating system and all processes, including the Windows kernel and drivers. However, administrators can disable DEP on selected executable files by using System in Control Panel.
AlwaysOn
Enables DEP for the operating system and all processes, including the Windows kernel and drivers. All attempts to disable DEP are ignored.
AlwaysOff
Disables DEP. Attempts to enable DEP selectively are ignored.
On Windows Vista, this parameter also disables Physical Address Extension (PAE). This parameter does not disable PAE on Windows Server "Longhorn".
onecpu [ on | off ]
Forces only the boot CPU to be used in a computer that has more than one logical processor.
For example, the following command configures the current operating system loader to use one processor.
bcdedit /set onecpu on
pae [ Default | ForceEnable | ForceDisable ]
The pae parameter is valid only on boot entries for 32-bit versions of Windows that run on computers with x86-based and x64-based processors. On 32-bit versions of Windows, PAE is disabled by default. However, Windows automatically enables PAE when the computer is configured for hot-add memory devices in memory ranges beyond the 4 GB region, as defined by the Static Resource Affinity Table (SRAT). Hot-add memory supports memory devices that you can add without rebooting or turning off the computer. In this case, because PAE must be enabled when the system starts, it is enabled automatically so that the system can immediately address extended memory that is added between restarts. Hot-add memory is supported only on Windows Server "Longhorn", Enterprise Edition, Windows Server 2003, Enterprise Edition and Windows Server 2003, Datacenter Edition, and only on computers with an ACPI BIOS, an x86-based processor, and specialized hardware.
On a computer that supports hardware-enabled Data Execution Prevention (DEP) and is running a 32-bit version of the Windows operating system that supports DEP, PAE is automatically enabled when DEP is enabled and, on all 32-bit versions of the Windows operating system, except Windows Server 2003 with SP1, PAE is disabled when you disable DEP. To enable PAE when DEP is disabled, you must enable PAE explicitly, by using /set nx AlwaysOff and /set pae ForceEnable. For more information about DEP, see Boot Parameters to Configure DEP and PAE
PAE is required to support Cache Coherent Non-Uniform Memory Architecture (known as ccNUMA or NUMA) on computers with x86 processors, although Windows can run in non-NUMA mode on NUMA-capable computers without PAE. Even when it is required, PAE is not enabled automatically. NUMA is supported in all editions of Windows XP and Windows Vista, and in the Enterprise and Datacenter editions of Windows Server 2003.
For more information about using the pae parameter and the other parameters that affect PAE configuration, see Boot Parameters to Configure DEP and PAE.
quietboot [ on | off ]
Controls the display of a high-resolution bitmap in place of the Windows boot screen display and animation. In operating systems prior to Windows Vista, the /noguiboot serves a similar function.
removememory Megabytes
Removes memory from the total available memory that the operating system can use.
For example, the following command removes 256 MB of memory from the total available to the operating system associated with the specified boot entry.
bcdedit /set {49916baf-0e08-11db-9af4-000bdbd316a0} removememory 256
sos [ on | off ]
Controls the display of the names of the drivers as they load during the boot process. Use sos on to display the names. Use sos off to suppress the display.
truncatememory address
Limits the amount of physical memory available to Windows. When you use this option, Windows ignores all memory at or above the specified physical address. Specify the address in bytes.
For example, the following command sets the physical address limit at 1 GB. You can specify the address in decimal (1073741824) or hexadecimal (0x40000000).
bcdedit /set {49916baf-0e08-11db-9af4-000bdbd316a0} truncatememory Ox40000000
usefirmwarepcisettings [ yes | no ]
Enables or disables the use of BIOS-configured peripheral component interconnect (PCI) resources.
vga [ on | off ]
Forces the use of the VGA display driver.
Comment
For more information about specific BCD elements and boot options, you can use the commands BCDEdit /? OSLOADER and BCDEdit /? TYPES OSLOADER.
To view the current boot entries and their settings, use the bcdedit /enum command. This command displays the active boot entries and their associated globally unique identifiers (GUID). Use the identifiers with the /set command to configure options for a specific boot entry.