BUS-Clock |
PCI-Clock |
CPU-Clock |
PLL |
J1 |
J2 |
J3 |
J4 |
J5 |
J6 |
J7 |
J8 |
J9 |
66 MHz |
33 MHz |
200 MHz |
x3 |
in |
in |
in |
in |
in |
in |
in |
out |
out |
66 MHz |
33 MHz |
233 MHz |
x3.5 |
out |
out |
out |
in |
in |
in |
in |
out |
out |
66 MHz |
33 MHz |
266 MHz |
x4 |
out |
out |
out |
in |
in |
in |
in |
out |
out |
66 MHz |
33 MHz |
300 MHz |
x4.5 |
in |
out |
out |
out |
in |
in |
in |
out |
out |
66 MHz |
33 MHz |
333 MHz |
x5 |
out |
in |
out |
out |
in |
in |
in |
out |
out |
66 MHz |
33 MHz |
366 MHz |
x5.5 |
out |
in |
in |
out |
in |
in |
in |
out |
out |
66 MHz |
33 MHz |
400 MHz |
x6 |
out |
out |
in |
out |
in |
in |
in |
out |
out |
66 MHz |
33 MHz |
433 MHz |
x6.5 |
in |
out |
in |
out |
in |
in |
in |
out |
out |
66 MHz |
33 MHz |
466 MHz |
x7 |
in |
in |
out |
in |
in |
in |
in |
out |
out |
75 MHz |
30 MHz |
225 MHz |
x3 |
out |
in |
in |
in |
in |
in |
in |
in |
out |
75 MHz |
30 MHz |
263 MHz |
x3.5 |
out |
out |
out |
in |
in |
in |
in |
in |
out |
75 MHz |
30 MHz |
300 MHz |
x4 |
out |
in |
out |
in |
in |
in |
in |
in |
out |
75 MHz |
30 MHz |
337 MHz |
x4.5 |
in |
out |
out |
out |
in |
in |
in |
in |
out |
75 MHz |
30 MHz |
375 MHz |
x5 |
out |
in |
out |
out |
in |
in |
in |
in |
out |
75 MHz |
30 MHz |
413 MHz |
x5.5 |
out |
in |
in |
out |
in |
in |
in |
in |
out |
75 MHz |
30 MHz |
450 MHz |
x6 |
out |
out |
in |
out |
in |
in |
in |
in |
out |
75 MHz |
30 MHz |
487 MHz |
x6.5 |
in |
out |
in |
out |
in |
in |
in |
in |
out |
75 MHz |
30 MHz |
525 MHz |
x7 |
in |
in |
out |
in |
in |
in |
in |
in |
out |
83 MHz* |
33 MHz |
250 MHz |
x3 |
out |
in |
in |
in |
in |
in |
out |
out |
out |
83 MHz* |
33 MHz |
292 MHz |
x3.5 |
out |
out |
out |
in |
in |
in |
out |
out |
out |
83 MHz* |
33 MHz |
333 MHz |
x4 |
out |
in |
out |
in |
in |
in |
out |
out |
out |
83 MHz* |
33 MHz |
375 MHz |
x4.5 |
in |
out |
out |
out |
in |
in |
out |
out |
out |
83 MHz* |
33 MHz |
416 MHz |
x5 |
out |
in |
out |
out |
in |
in |
out |
out |
out |
83 MHz* |
33 MHz |
458 MHz |
x5.5 |
out |
in |
in |
out |
in |
in |
out |
out |
out |
83 MHz* |
33 MHz |
500 MHz |
x6 |
out |
out |
in |
out |
in |
in |
out |
out |
out |
83 MHz* |
33 MHz |
541 MHz |
x6.5 |
in |
out |
in |
out |
in |
in |
out |
out |
out |
83 MHz* |
33 MHz |
583 MHz |
x7 |
in |
in |
out |
in |
in |
in |
out |
out |
out |
Locate the Jumpers J16 on the Logicboard. There under a seal which says "No Warranty if removed".
| J | 9 |
J |
8 |
J |
7 |
J |
6 |
J |
5 |
J |
4 |
J |
3 |
J |
2 |
J |
1 |
J5 and J6 is used for the L3 Cache (not available on G3 Macs).
don`t blow the Mac