PSX Games: What's EDC ?

[piratemeister]

Hi @all.
I'm downloading some PSX games from 1 tracker, and I've seen 2 version of 1 games:

Name of the game (EDC), Name of the game (No EDC)....

What's EDC ? Wich version choice ? Thanks :top:

[anon]

Error detection and correction - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Error_detection_and_correction)
Modchip (http://skyscraper.fortunecity.com/thrise/646/main/psx/modchip.htm)