Requiem: The secret Code?

[Yuhaney]

Hey, is that the only thing? The computer...
I read once from here that you get another ending if you collect them all..?

Since the endings for me were:

Spoiler below!

1. Die with Red and saw that Requiem was a dream.
2. Leave the whole place and wake up in the beggining of Overture with the same result (dream).

So, was the computer the only thing?