Document settings

Document the settings, their values and usage. Minor formatting edits.

Author: vermagit

articles/virtual-machines/extensions/hpccompute-gpu-windows.md

@@ -21,12 +21,10 @@ ms.author: roiyz
 
 ## Overview
 
-This extension installs NVIDIA GPU drivers on Windows N-series VMs. Depending on the VM family, the extension installs CUDA or GRID drivers. When you install NVIDIA drivers using this extension, you are accepting and agreeing to the terms of the NVIDIA End-User License Agreement. During the installation process, your virtual machine may reboot to complete the driver setup.
+This extension installs NVIDIA GPU drivers on Windows N-series VMs. Depending on the VM family, the extension installs CUDA or GRID drivers. When you install NVIDIA drivers using this extension, you are accepting and agreeing to the terms of the [NVIDIA End-User License Agreement](https://go.microsoft.com/fwlink/?linkid=874330). During the installation process, the VM may reboot to complete the driver setup.
 
 An extension is also available to install NVIDIA GPU drivers on [Linux N-series VMs](hpccompute-gpu-linux.md).
 
-Terms of NVIDIA End-User License Agreement are located here - https://go.microsoft.com/fwlink/?linkid=874330
-
 ## Prerequisites
 
 ### Operating system
@@ -41,7 +39,7 @@ This extension supports the following OSs:
 
 ### Internet connectivity
 
-The Microsoft Azure Extension for NVIDIA GPU Drivers requires that the target virtual machine is connected to the internet and have access.
+The Microsoft Azure Extension for NVIDIA GPU Drivers requires that the target VM is connected to the internet and have access.
 
 ## Extension schema
 
@@ -67,7 +65,7 @@ The following JSON shows the schema for the extension.
 }
 ```
 
-### Property values
+### Properties
 
 | Name | Value / Example | Data Type |
 | ---- | ---- | ---- |
@@ -76,6 +74,14 @@ The following JSON shows the schema for the extension.
 | type | NvidiaGpuDriverWindows | string |
 | typeHandlerVersion | 1.2 | int |
 
+### Settings
+
+All settings are optional. The default behavior is install the latest supported driver as applicable.
+
+| Name | Description | Default Value | Valid Values | Data Type |
+| ---- | ---- | ---- | ---- | ---- |
+| driverVersion | NV: GRID driver version<br> NC/ND: CUDA driver version | latest | GRID: "391.81", "391.58", "391.03"<br> CUDA: "398.75", "397.44", "390.85" | string |
+| installGridND | Install GRID driver on ND series VMs | false | true, false | boolean |
 
 ## Deployment
 
@@ -125,6 +131,8 @@ Set-AzureRmVMExtension
 
 ### Azure CLI
 
+The following example mirrors the above ARM and PowerShell example and also adds custom settings as an example for non-default driver installation. Specifically, it installs a specific GRID driver even if an ND series VM is being provisioned.
+
 ```azurecli
 az vm extension set `
   --resource-group myResourceGroup `
@@ -133,6 +141,8 @@ az vm extension set `
   --publisher Microsoft.HpcCompute `
   --version 1.2 `
   --settings '{ `
+    "driverVersion": "391.03",
+    "installGridND": true
   }'
 ```
 
@@ -175,4 +185,4 @@ If you need more help at any point in this article, you can contact the Azure ex
 ## Next steps
 For more information about extensions, see [Virtual machine extensions and features for Windows](features-windows.md).
 
-For more information about N-series VMs, see [GPU optimized virtual machine sizes](../windows/sizes-gpu.md).
+For more information about N-series VMs, see [GPU optimized virtual machine sizes](../windows/sizes-gpu.md).