User`s manual

20
Warning:
1. JP6 is for Cache Burst Mode Select. When using a Cyrix

/IBM

processor, you have to
set JP6 to On for linear burst.
2. The default setting of JP3, JP5 and JP14 is 3.3V. If the voltage of your processor is not
3.3V, make sure you set JP3, JP5 and JP14 according to the voltage of your processor,
otherwise, your system will hang.
Jumper Settings for Cyrix

/IBM

6x86™ & 6x86L Processors
Processor Voltage
* Default
3.3V* (VR/STD)
3.5V (VRE)
2.9V
2.8V (6x86L)
2.7V
1
2
JP5
7
8
JP3
1
2
5
6
1
2
3
4
JP14
JP14
1-2 On
JP5
All Off
JP3
All Off
5-6 On
3-4 On
1-2 On
3-4 On
5-6 On
7-8 On
3-4 On
5-6 On
7-8 On
1-2 On
1-2 On
1-2 On
1-2 On
3-4 On
1-2 On
1-2 On
JP6
12
JP6
Off
On
Processors
Intel

/AMD-K5
Cyrix

/IBM

JP4
2
1
7 8
Cyrix

/IBM

Processors
P166+
P120+
P133+
P150+
Ext. Bus
CLK
50MHz
55MHz
60MHz
JP4
3-4 On, 7-8 On
1-2 On
66MHz
3-4 On, 5-6 On
5-6 On
JP9 JP10
JP11
2-3 On
2-3 On
1-2 On
2-3 On
2-3 On
2-3 On
2-3 On
1-2 On
2-3 On
1-2 On
2-3 On
2-3 On
JP9
JP10
JP11
1
2
3
Cyrix

/IBM

Processors
P120+/P133+/
P150+/P166+
JP1JP2
1
2
3
1
2
3
Freq. Ratio
2x
JP2
2-3 On
JP1
1-2 On