Sorry - keyboard spazzed and sent mail too soon '104' should indicate a 0.1uF capacitor similar to this:
https://www.jameco.com/z/DC-1-25-Jameco-Valuepro-Capacitor-Ceramic-Disc-0-1-micro-F-25V-plusmn-20-37-_151116.html DC voltage rating of ~10v or higher should be fine (these are filtering the 5v RAM power rail) -Josh
