21 - 12 - 1997
 
    

1)Pentium-Pentium MMX-Pentium II .

Overclock    Pentium  133=66x2 to Pentium  166=2.5x66
Overclock   Pentium  150=2.5x60 to Pentium  200=3x66
Overclock   Pentium  166=2.5x66 to Pentium  208=2.5x83 or 187.5=2.5x75
Overclock  Pentium   200=3x66 to Pentium 250=3x83 or 225=3x75
Overclock  Pentium MMX 166=2.5x66 to Pentium MMX 208=2.5x83 or187.5=2.5x75
Overclock Pentium  MMX 200=3x66 to Pentium MMX 250=3x83 or 225=3x75
Overclock Pentium  MMX 233=3.5x66 to Pentium MMX 290=3.5x83 or262.5=3.5x75
Overclock  Pentium II 233=3.5x66 to Pentium II 262.5=3.5x75
Overclock  Pentium II 266=4x66 to Pentium II 300=4x75
Overclock  Pentium II 300=4.5x66 to Pentium II 337.5=4.5x75
These adjustments were tested for many hours/weeks in several machines without any problem and without changing the voltage.

In new MMX 166,200 and Pentium II 233,266 cpu's you cannot push the multiplier in a higher value than the original. So if you own an old (before octomber'97) cpu (like my friend JIM) you can adjust it up to 4x83=332Mhz for MMX 166. If not you must stay at 2.5x66,75,83.

Of course USE SOME DECENT COOLING please (look at the end of this page for the ultimate heat sink solution).

 

2)AMD K6.

Overclock AMD K6 166=2.5x66 to AMD K6 225=3x75 or 200=3x66
Overclock AMD K6 200=3x66 to AMD K6 233=3.5x66 or 225=3x75
Overclock AMD K6 233=3.5x66 to AMD K6 266=4x66 or 262.5=3.5x75
These adjustments were tested for many hours/weeks in several machines without any problem and without changing the voltage.

Of course USE SOME DECENT COOLING please(look at the end of this page for the ultimate heat sink solution).

 

3)IBM/Cyrix M1,M1Low voltage,M2

Overclock M1 P150+=2x60=120Mhz to M1 P166+=2x66=133Mhz
Overclock M1 P166+=2x66=133Mhz to M1 P200+=2x75=150Mhz
Overclock M1 P200+=2x75=150Mhz to M1 at 3x60=180Mhz
Overclock M1Lowvolt. P200+=2x75=150Mhz to M1 at 3x60=180Mhz
Overclock M2 P166=2x66 or 2.5x60 Mhz to M2 P200=2.5x66=166Mhz
Overclock M2 P200=2.5x66=166 Mhz to M2 P233=2.5x75=187.5Mhz
Overclock M2 P233=2.5x75=187.5Mhz to M2 at 208=2.5x83 or at 200=3x66Mhz
For IBM/Cyrix M1's  P150,166,200  rating means power equivalent to an Intel Pentium 150,166,200. Also IBM/Cyrix M2's P166,200 rating means power equivalent to an Intel Pentium MMX 166,200 and P233 rating means power equivalent to an Intel Pentium II 233.

4)For decent cooling i suggest using thermal compound and a global win cpm2560-2-16 (best choice)

cooler or a thermalloy 2334b cooler.

gw2560s.jpg (16886 bytes)th2334s.jpg (15057 bytes)

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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Copyright 1997 by ASAGR  volos-GREECE.