I believe that the 4 gb Xbox 360 you are talking about is the new slim. There is no way to use your old hard drive with the new slim xbox. You will need to buy a transfer cable to move your saved games to the 4gb hard drive.
Yes you can still play games online after they have been installed on the hard drive.
If you have a hard drive, Yes. Otherwise you cannot play original Xbox games. without a hard drive.
no
Yes, you need a hard drive to play original Xbox games because the hard drive contains the emulator that allows the original Xbox games to play on 360
No because the xbox has to read the disk for it to play. Even if you have downloaded it already. Alternative you can mod your xbox and load games on it if you have an hard drive then you can play your games.
In order to play games for the original Xbox on the Xbox 360 you will need to have the hard drive. This is because the update is downloaded onto it.
All games require a hard drive.
No, the only benifet of installing it onto the hard drive is presemably shorter loading times for the games. But for the majority of games it only affects it by seconds, if at all. The game disk is still required for gameplay.
I believe it does.
Many Xbox games are compatible with the Xbox 360, but only if you have the hard drive peripheral. There are still compatibility issues, however. Check the list of officially supported games at www.xbox.com.
yes you do need an original Hard Drive in order to play this games and others.
Yes. Check the Backwards Compatible games list to see which games are playable on the 360. Check xbox.comNO. You need a hard drive or the Xbox 360 refuses to play the original games.