If you set it to 180 seconds per move at Amiga 68040 Chess 2.0 once out of book replies at 180 seconds and shows 7 ply deep and 22,609 nodes/second.

Moves played:
1.e4 - e6
2.d4 - d5
3. exd5 - (out of book) plays .... exd5

FPS = 49.9

Regards
Nick