Asrock K7VT4A PRO User Manual
1 4
J1 Jumper
(FID0, FID1, FID2, FID3, FID4)
(see p.7 item 29)
Note: The set of J1 jumper is only for advanced users to adjust the multiplier of CPU. Please
follow the table below to adjust the multiplier of CPU. However, the system will work well
without the adjustment of multiplier. You do not have to adjust the multiplier for normal
usage.
Multiplier
FID0
FID1
FID2
FID3
FID4
5x
2-3
2-3
1-2
2-3
2-3
5.5x
1-2
2-3
1-2
2-3
2-3
6x
2-3
1-2
1-2
2-3
2-3
6.5x
1-2
1-2
1-2
2-3
2-3
7x
2-3
2-3
2-3
1-2
2-3
7.5x
1-2
2-3
2-3
1-2
2-3
8x
2-3
1-2
2-3
1-2
2-3
8.5x
1-2
1-2
2-3
1-2
2-3
9x
2-3
2-3
1-2
1-2
2-3
9.5x
1-2
2-3
1-2
1-2
2-3
10x
2-3
1-2
1-2
1-2
2-3
10.5x
1-2
1-2
1-2
1-2
2-3
11x
2-3
2-3
2-3
2-3
2-3
11.5x
1-2
2-3
2-3
2-3
2-3
12x
2-3
1-2
2-3
2-3
2-3
12.5x
1-2
1-2
2-3
2-3
2-3
13x
2-3
2-3
1-2
2-3
1-2
13.5x
1-2
2-3
1-2
2-3
1-2
14x
2-3
1-2
1-2
2-3
1-2
15x
2-3
2-3
2-3
1-2
1-2
16x
2-3
1-2
2-3
1-2
1-2
16.5x
1-2
1-2
2-3
1-2
1-2
17x
2-3
2-3
1-2
1-2
1-2
18x
1-2
2-3
1-2
1-2
1-2
19x
1-2
2-3
2-3
2-3
1-2
20x
1-2
1-2
2-3
2-3
1-2
21x
1-2
1-2
1-2
2-3
1-2
22x
1-2
2-3
2-3
1-2
1-2
23x
2-3
1-2
1-2
1-2
1-2
24x
1-2
1-2
1-2
1-2
1-2
For example, “Athlon XP 2000+” is an 1666MHz CPU: 12.5 (Multiplier) X 133MHz (External frequency) = 1666MHz
J1 jumper setting:
The jumper caps are not provided by ASRock. Please understand that ASRock
does not guarantee and support the adjustment of multiplier. These jumpers
setting may not apply to all multiplier-locked or even some unlocked AMD
CPU. Frequencies other than the recommended CPU bus frequencies may
cause the instability of the system or damage the CPU.
1
1
1
1
1
1
1
1
1
FID4
FID3
FID2
FID1
FID0
FID3
FID2
FID1
FID0
1
1
1
1
1
1
1
1
1
FID4
FID3
FID2
FID1
FID0
FID3
FID2
FID1
FID0