On May 11, 21:45, Jay West wrote: (appropriated cards from Most electronics suppliers should sell them, though you might have to buy them in tens or hundreds. they're certainly easy to get here. Another cheap sopurce is often PC shops that assemble PCs; they get interface cards and hard drives in them, and tend to throw them away. The silvered ones are static shielded and static dissipative, the black conductive ones are static dissipative, the pink ones are not very good at anything (except perhaps keeping the dust off). -- Pete Peter Turnbull Dept. of Computer Science University of York