diff --git a/Vagrantfile b/Vagrantfile
index d1f7bb76b1..57b93f46e7 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -9,7 +9,7 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
 
   config.vm.define 'ironic' do |ironic|
     ironic.vm.provider :virtualbox do |vb|
-      vb.customize ['modifyvm', :id,'--memory', '2048']
+      vb.customize ['modifyvm', :id, '--memory', '512', '--cpuexecutioncap', '25']
     end
 
     ironic.vm.network 'private_network', ip: '192.168.99.11' # It goes to 11.
diff --git a/vagrant.yml b/vagrant.yml
index 0e8c45bc4f..8821ace45c 100644
--- a/vagrant.yml
+++ b/vagrant.yml
@@ -116,7 +116,9 @@
           }
         - {
             section: 'DEFAULT',
-            option: 'enabled_drivers', value: 'fake_ipmitool'
+            option: 'enabled_drivers', value: 'pxe_ssh, agent_ssh, fake'
+            # All other testing drivers require add'l packages
+            # and should be enabled locally, if desired
           }
         - {
             section: 'DEFAULT',