1. Can we write data or an Exe into 3PDS during runtime?
Yes you can; please refer to the Use Cases1,2 and 3 for examples of using the 3PDS for asset inventory.
2. What is the amount of available memory?
96K of NVRAM for AMT 1.0 and 192K for AMT 2.0 and later. Please refer to the Storage Design guide included in the Intel AMT SDK for your particular version.