overclocking ram voltage-less stable?

funkii

Member
Jul 24, 2002
25
0
0
epox 4g4a
p4 2.26
256meg corsair xms3000 cas2

when i get to the limits of the ram - around 410ddr if increase the voltage - the ram becomes less stable as i increase the volts. any ideas why this is because i thought this would make it more stable and able to reach higher speeds?