Abit PR5 User Manual page 30

Intel Pentium CPU Clock Multiplier Factor
Clock Factor D S 1
1 . 5 O F F
2 O F F
2 . 5 O N
3 O N
Note: The factory default setting 2
*The internal clock speed also indicates which Pentium it is for e.g. " 75" is for P75, " 90" is for P90 etc.
Intel Pentium CPU Vcore/Vio Settings
Vcore/Vio V C 1
2 . 7 V / 3 . 3 V O F F
2 . 8 V / 3 . 3 V O F F
2 . 9 3 V / 3 . 3 V O F F
3 . 3 8 V / 3 . 3 V O F F
3 . 5 2 V / 3 . 3 V O N
Note: The factory default setting is 3.38V. (VRE=3.52V, STD/VR=3.38V)
D S 2 Clock Factor x External Clock=Internal Clock Speed (in MHz)
O F F 1.5 x 5 0 =7 5 ; 1 .5 x 6 0 =9 0 ; 1.5 x 6 6 =10 0
O N 2 x 6 0 =1 2 0 ; 2 x 6 6 = 13 3
O N 2 . 5 x 6 0 = 15 0 ; 2 .5 x 6 6 =1 6 6
O F F 3 x 6 0 =18 0 ; 3 x 6 6 =2 0 0
V C 2 V C 3 V C 4
O F F O F F O F F
O F F O F F O N
O F F O N O F F
O N O F F O F F
O F F O F F O F F
V C 5 V C 6 V C 7
O N O F F O F F
O F F O F F O F F
O F F O F F O F F
O F F O F F O F F
O F F O F F O F F
V C 8
O N
O N
O N
O N
O N