Cpu Clock Ratio (Jp1) - Aaeon SBC-556/L Manual

CPU clock ratio (JP1)

JP1 must be set to match the CPU clock ratio. The chart below
shows the proper jumper settings for P54C, P55C, and AMD-K6,
and their respective clock ratio.
1
3
5
CPU Clock Ratio (JP1)
P54C x1.5
P55C x3.5
2
1
4
3
5 6
AMD-K6 x3.5
2
1
4
3
5
6
AMD-K6 x5.5
2
1
3 4
5
6
*default
16 SBC-556/L User Manual
2
4
6
P54C x2.0
P55C x2.0
2
1
4
3
5
6
AMD-K6 x2.0
2
1
3 4
5
6
AMD-K6 x4.0
2
1
4
3
5 6
B A T
D i s k O n C h i p
P54C x3.0
P55C x3.0
*
2
1
4
3
5
6
AMD-K6 x3.0
2
1
4
3
5
6
AMD-K6 x5.0
2
1
4
3
5 6
P54C x2.5
P55C x2.5
2
1
4
3
5 6
AMD-K6 x2.5
2
1
4
3
5 6
AMD-K6 x4.5
2
1
4
3
6
5