Other World Computing's - Extra Jumper Settings

G3 AND G4 Jumper Settings
For the Beige G3 Power Macintosh
Courtesy of OWC

Caution: Use at you OWN risk

OWC recommends using extreme caution when attempting to overclock your ZIF processor.
Some indications of too high a clock speed are instability, crashing, video artifacts, no video, no start chime.
The most common settings have been boldfaced.
S = Jumper
x = NO Jumper

BUS-Clock PCI-Clock CPU-Clock PLL J1 J2 J3 J4 J5 J6 J7 J8 J9

66 MHz 33 MHz 200 MHz x3 x S S S S S S x x

66 MHz 33 MHz 233 MHz x3.5 x x x S S S S x x

66 MHz 33 MHz 266 MHz x4 x S x S S S S x x

66 MHz 33 MHz 300 MHz x4.5 S x x x S S S x x

66 MHz 33 MHz 333 MHz x5 x S x x S S S x x

66 MHz 33 MHz 366 MHz x5.5 x S S x S S S x x

66 MHz 33 MHz 400 MHz x6 x x S x S S S x x

66 MHz 33 MHz 433 MHz x6.5 S x S x S S S x x

66 MHz 33 MHz 466 MHz x7 S S x S S S S x x

66 MHz 33MHz 500 MHz x7.5 S S S x S S S x x

66 MHz 33MHz 533 MHz x8 x x S S S S S x x

75 MHz 30 MHz 225 MHz x3 x S S S x S S S x

75 MHz 30 MHz 263 MHz x3.5 x x x S x S S S x

75 MHz 30 MHz 300 MHz x4 x S x S x S S S x

75 MHz 30 MHz 337 MHz x4.5 S x x x x S S S x

75 MHz 30 MHz 375 MHz x5 x S x x x S S S x

75 MHz 30 MHz 413 MHz x5.5 x S S x x S S S x

75 MHz 30 MHz 450 MHz x6 x x S x x S S S x

75 MHz 30 MHz 487 MHz x6.5 S x S x x S S S x

75 MHz 30 MHz 525 MHz x7 S S x S x S S S x

83 MHz* 33 MHz 250 MHz x3 x S S S x S x x x

83 MHz* 33 MHz 292 MHz x3.5 x x x S x S x x x

83 MHz* 33 MHz 333 MHz x4 x S x S x S x x x

83 MHz* 33 MHz 375 MHz x4.5 S x x x x S x x x

83 MHz* 33 MHz 416 MHz x5 x S x x x S x x x

83 MHz* 33 MHz 458 MHz x5.5 x S S x x S x x x

83 MHz* 33 MHz 500 MHz x6 x x S x x S x x x

83 MHz* 33 MHz 541 MHz x6.5 S x S x x S x x x

83 MHz* 33 MHz 583 MHz x7 S S x S x S x x x