Default Actual
Jumper Settings
Bus ratio
Setting Speed
300 / 30 0
4.5 to 1
333 / 33 3
5.0 to 1
350 / 33 3
5.0 to 1
366 / 36 6
5.5 to 1
400 / 40 0
6.0 to 1
450 / 46 6
7.0 to 1
466 / 46 6
7.0 to 1
500 / 50 0
7.5 to 1
533 / 53 3
8.0 to 1
550 / 53 3
N / A
N / A
600 / 59 9
9.0 to 1*
Installation and User Manual
MACh
Speed
ZIF
™
Installation and User Manual
Base Settings
Switches in the “ON” position
Jumper Settings
Bus Speed
Bus ratio
3 0 0
1 ,3,4,6 - 10,11,12
4 0 . 0
7. 5 to 1
3 3 3
3,4,6,7,8 - 9,11,12
4 8 . 0
7 .0 to 1
3 6 6
1,6,7,8 - 11,12
4 9 . 0
8.0 to 1
4 0 0
1 ,2,4,6,7,8 - 9,10
5 0 . 0
8.0 to 1
4 5 0
2,6,7 - 9,12
4 5 . 0
10.0 to 1*
4 6 6
1,2,6,7 - 9,12
4 6 . 6
10.0 to 1*
5 0 0
1 ,2,4,6,7,8 - 9,12
5 0 . 0
10 .0 to 1*
5 5 0
1,4,6,7 - 9,10,12
4 6 . 0
12. 0 to 1 *
6 0 0
1,2,4,6,7,8 - 9,10,12
5 0 . 0
12.0 to 1*
XLR8 MVP
™
Speed Settings
Master Chart
over
1. Install the latest version of XLR8 MACh Speed Control. 2. Locate CPU base
settings. 3. Remove and adjust card switches jumpers and/or dials (all available) to the relat-
ed settings in the chart below. 4. Remove motherboard cache from motherboard if possible.
5. Press CUDA reset on motherboard (with CarrierZIF only) 6. Reinstall card – boot system.
XLR8 Standard ZIF Settings
Set jumpers with card
oriented with CPU to left
and XLR8 right side up
ZIF Daughtercards
MACh
Speed
G4
Z
™
MACh
Speed
G3
Z
™
G3 and G4 ZIF Daughtercard upgrades for the
PowerMac G3 and the 400 MHz PowerMac G4
** Verify CPU multiplier with product – 9.0x, 10.0x and 12.0x based speeds not available on all CPU’s.
50 MH
Z SYSTEMS
–
WITH
C
ARRIER
Z
IF ADAPTER
* Verify CPU multiplier with product – 9.0x, 10.0x and 12.0x
based speeds not available on all CPU’s.
66 MH
Z SYSTEMS
P
OWER
M
AC
G3 (
BEIGE
)
Default Actual
Jumper Settings
Bus ratio
Setting Speed
300 / 300
3.0 to 1
333 / 300
3.0 to 1
350 / 350
3.5 to 1
366 / 350
3.5 to 1
400 / 400
4.0 to 1
450 / 450
4.5 to 1
466 / 450
4.5 to 1
500 / 500
5.0 to 1
533 / 500
5.0 to 1
550 / 550
5.5 to 1
600 / 600
6.0 to 1
100 MH
Z SYSTEMS
P
OWER
M
AC
G3 (
TRANSLUCENT
)
P
OWER
M
AC
G4 (400 MH
Z ONLY
)