I have an old DDR Ramdrive and reformat it with this command. This makes me a 4GB ram drive mounted at A: You'll have to do some research to make sure you are selecting the correct disk (in my case Disk 2). It depends on how your MOBO rates it HDD ports and how many other HDD's are connected. (use diskpart - 'list disk' command to find out) Code: diskpart /s HDD_Format.txt Inside my HDD_Format.txt. Code: select disk 2 clean create partition primary size=4092 select partition 1 format FS=NTFS LABEL="I-RAM" assign letter=A exit