D5CUB System Board Manual
Section 2: Configuring the D5CUB
Jumper Settings
This section provides the jumper settings for the D5CUB system board.
Table 2-1 lists the available system-speed settings for Intel processors
and indicates the jumper settings that select these speeds.
Table 2-2 lists the available system-speed settings for Cyrix processors
and indicates the jumper settings that select these speeds.
15
Jumper
System Speed (Intel Processors)
JP5
JP6
JP11
JP15
JP16
75 MHz External, 50 MHz Internal
ON
ON
OFF
2-3
2-3
90 MHz External, 60 MHz Internal
OFF
ON
ON
2-3
2-3
100 MHz External, 66 MHz Internal
ON
OFF
ON
2-3
2-3
120 MHz External, 60 MHz Internal
OFF
ON
ON
1-2
2-3
133 MHz External, 66 MHz Internal
ON
OFF
ON
1-2
2-3
150 MHz External, 60 MHz Internal
OFF
ON
ON
1-2
1-2
166 MHz External, 66 MHz Internal
ON
OFF
ON
1-2
1-2
200 MHz External, 66 MHz Internal
ON
OFF
ON
2-3
1-2
Table 2-2: System Speed Selection (for Cyrix Processors)
Jumper
System Speed (Cyrix Processors)
JP5
JP6
JP11
JP15
JP16
100MHz External, 50MHz Internal
ON
ON
OFF
1-2
2-3
110MHz External, 55MHz Internal
OFF
OFF
OFF
1-2
2-3
120MHz External, 60MHz Internal
OFF
ON
ON
1-2
2-3
133MHz External, 66MHz Internal
ON
OFF
ON
1-2
2-3
Table 2-1: System Speed Selection (for Intel Processors)
