It requires 192 GB of system memory. I am assuming that you are getting this question from the Windows & Configuration textbook by Craig Zacker, as I found that exact question in there. You can find the answer on page 15 in table 1-4. Hope that helps!
192 Gigabytes is the maximum.
3 gigabytes
16GB
16GB
According to the table in the Wikipedia article (see related link) - the maximum supported RAM is 4GB.
4 Gigabytes
Yes, Microsoft provide support for Windows 7.
Windows memory diagnostics. To run it type memory into the start menu and press enter, or click windows memory diagnostics.
To boot Windows 7 from a memory stick, insert the memory stick into a USB drive on the powered off the computer. Turn the computer on and it should boot from the memory stick.
Windows 7 has a maximum file size of 16 TiB.
The both versions (32-bit and 64-bit) of Windows 7 are supported.
Although the unit comes with Windows Vista Business, It does have the memory capacity to upgrage to Windows 7.