On Sun, 28 Nov 1999 08:28:59 +1100 Don McKenzie writes: > the 508 is used with the internal osc for the playstation. > you will need to supply a crystal and caps, or resonator for the 84 > to > operate. The versions for other than 12C508 also connect to another point in the Playstation which has an approximately 4 MHz signal that is useful to clock the PIC. This complicates the installation a little since another wire needs to be connected. But it is also reported to make operation more reliable since the Playstation and PIC clocks are always synchronized. ___________________________________________________________________ Get the Internet just the way you want it. Free software, free e-mail, and free Internet access for a month! Try Juno Web: http://dl.www.juno.com/dynoget/tagj.