1. Right click device and select Send Task…
2.Select “File and Registry” in the left and select “_Get Registry” in the right, click “Next”
3.Select “HKEY_LOCAL_MACHINE” and click “Add”
4.Input “System” in the box and click “OK”
5.Repeat step 3 and step 4, add registry node as below, input template name in the box and click “OK”
6.Right click template “SetRamDiskSize” and select “Properties”
7.Select “Registry” and click “Edit”
8.Select registry node “Parameters” in the left and modify the value of "Disk Size" as needed, click “OK”.
(Note: "Value Data" is displayed in hexadecimal system, which needs to be converted to hexadecimal system)
9.Send “SetRamDiskSize” to the device.
How to Resize Ramdisk space by HPDM
原文：http://blog.51cto.com/thinclient/2136157