cIOSCORP and DARKCORP are outdated.
As Joostin said, USB Loaders are the the recommended way of loading games now. Check out a few of the popular ones that are stickied in this subforum. (I personally like Configurable USB Loader, but there is a beta of USB Loader GX that I think looks quite nice)
If you are still after a Disc Channel loading solution... maybe give
this a read.