# RDTSC (Read Time-Stamp Counter)
$VBoxManager setextradata $VM "VBoxInternal/TM/TSCMode" "RealTSCOffset"
$VBoxManager setextradata $VM "VBoxInternal/CPUM/SSE4.1" "1"
$VBoxManager setextradata $VM "VBoxInternal/CPUM/SSE4.2" "1"

function Get-UpperRandomString {
    $Identifier = -join (1..20 | ForEach {[char]((65..90) + (48..57) | Get-Random)})
    return $Identifier
}

# Physical Drives (SATA/NVMe)
foreach ($PortNumber in 0..9) {
    foreach ($BusNumber in 0..9) {
		foreach ($LogicalUnitIdNumber in 0..9) {
			$registryPath = "HKLM:\HARDWARE\DEVICEMAP\Scsi\Scsi Port $PortNumber\Scsi Bus $BusNumber\Target Id 0\Logical Unit Id $LogicalUnitIdNumber"

			if (Test-Path -Path $registryPath) {
				$NewString = Get-UpperRandomString
				Set-ItemProperty -Path "$registryPath" -Name 'Identifier' -Type String -Value "NVMe    Samsung SSD 980 FXO7" -Force
				Set-ItemProperty -Path "$registryPath" -Name 'SerialNumber' -Type String -Value "$NewString" -Force
			}
		}
    }
}

$VBoxManager modifyvm $VM --nic1 "bridged" --mac-address1 "428D5C257A8B"