/--------------------\ ------\ | 13 14 15 16 \ 17 | | 2 | | 18 | | 1 12 11 10 9 | +---+----------------- 19 | | 5 6 7 8 | | 20 | | 4 3 @ peecs | \-------------------------/ 1 is a Dell GX620 (Linux) 2, 7, 13, 20 are Dell Optiplex-780 3-6 are Dell Optiplex-745 (Linux) 9-12 are Dell Optiplex-755 (Linux) 14-19 are Dell Optiplex-760 peecs is an HP8150 @ is telephone 3-5238Can be found at http://web.mit.edu/cluster-maps/www