The official archos page is here and the page for the jukebox is here. The rather hard to find driver page is here.
Taking the Archos apart requires a torx driver and a very small phillips head screwdriver. The phillips screwheads are about 2mm in diameter.
There two circuit boards in the Archos are here called the "top" and "bottom" board. They are both populated on both sides.
(142kB). You will note five ICs in the picture:
Removing the bottom board involves bending a couple of metal holders that break very easily. Be careful. The board is connected via two pin connectors, one at each end.
If you enjoyed this, don't miss Richard Holdman's harddisk upgrade page.