Jumper settings & CPU speeds (actual & reported) Table for OWC Mercury Extreme G4 Processors

100MHz Bus Systems

Jumper settings & CPU speeds (actual & reported) Table for OWC Mercury Processors
Jumper Position Settings
CPU Core Speed / Reported Speed
Multiplier
J1
J2
J3
J4
J5
100MHz Bus
ASP reports as *
133MHz Bus
ASP reports as *
5.5X
X
X
550MHz
?
733MHz
733MHz
6X
X
X
X
600MHz
600MHz
800MHz
800MHz
6.5X
X
X
650MHz
?
866MHz
867MHz
7X
X
700MHz
700MHz
933MHz
933MHz
7.5X
X
750MHz
750 MHz
1000 (1.0GHz)
1000 (1.0GHz)
8X
X
X
800MHz
800MHz
1067 (1.067GHz)
1067 (1.067GHz)
8.5X
X
X
850MHz
250MHz*
1130 (1.13GHz)
333MHz*
9X
X
X
X
X
900MHz
900MHz
1200 (1.2GHz)
1200 (1.2GHz)
9.5X
X
X
X
950MHz
450 MHz*
1260 (1.26GHz)
600MHz*
10X
X
X
X
1000 (1.0GHz)
1000 (1.0GHz)
1333 (1.33GHz)
1333 (1.33GHz)
10.5X
X
X
1050 (1.05GHz)
40MHz*
1400 (1.4GHz)
656 MHz*
11X
X
X
X
1100 (1.1GHz)
1100 (1.1GHz)
1467 (1.467GHz)
1467 (1.467GHz)
11.5X
1150 (1.15GHz)
100MHz*
1530 (1.530GHz)
?
12X
X
X
X
X
1200 (1.2GHz)
1200 (1.2GHz)
1600 (1.6GHz)
1600 (1.6GHz)
12.5X
X
X
X
X
X
1250 (1.25GHz)
0MHz*
1660 (1.66GHz)
?
13X
X
X
X
1300 (1.3GHz)
1300 (1.3GHz)
1730 (1.73GHz)
1730 (1.73GHz)
13.5X
X
X
X
1350 (1.35GHz)
350MHz*
1790 (1.79GHz)
?
14X
X
X
X
1400 (1.4GHz)
1400 (1.4GHz)
1860 (1.86GHz)
1860 (1.86GHz)
15X
X
X
1500 (1.5GHz)
1500 (1.5GHz)
2000 (2GHz)
2000 (2GHz)
16X
X
X
X
X
1600 (1.6GHz)
1600 (1.6GHz)
2130 (2.13GHz)
2130 (2.13GHz)

Boldface speeds are recommended speeds by OWC

* We recommend you do not set your system to these speeds if you plan on using Final Cut Pro

*See this article as to why we recommend setting the recommended speeds as we do. We recommend you do not set your system to these speeds if you plan on using Final Cut Pro