RAMDisk is a WinCE feature which allows you to take a portion of your system memory and use it as a disk drive. This reduces the available amount of free system memory of course.
Follow the steps below to create and mount a RAMDisk:
Download the ramdisk.zip file.
Unzip the file and copy the ramdisk.dll to your WinCE device "\FlashDisk\System"
Copy the ceramdrv.exe tool to the root of the module.
On the WinCE device open Start->Programs->Command Prompt.
To create a RAMDisk with the size of 10MB, type:
Note: Command line parameter is size in KB.
CE6 and CE7 might work with the WinCE 5 steps above, but was not tested.