view from above, with top off.  That's all there is - power supply on the left, 20G seagate IDE HD top left (the front of the machine is at the top of the picture).  white piece bottom-left of center is the hostid card; black brick in the middle is CPU cooler; note the single 128M PC133 DIMM and 3 empty sockets.  (Also one empty drive bay top right.)