D5CUB System Board Manual
Section 2: Configuring the D5CUB
Table 2-3 lists the available processor supply voltages and the corre-
sponding jumper settings that select them.
Table 2-4 provides the jumper settings that set the D5CUB for the Intel
P54C or P55C processor.
Table 2-5 lists the types of TAG SRAMs that can be used on the
D5CUB and provides the jumper settings for each type.
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Table 2-3: Power Supply Voltages Selection
Table 2-4: CPU Type Selection (P54C/P55C)
CPU Supply Voltage
JP3
3.3V (P54C/P54CT)
1-2 STD
3.4V (P54C/P54CT)
2-3 VR
3.5V (P54C)
4-5 VRE
TAG SRAM Type
JP1
Aster 16K x 8
1-2
Winbond 16K x 8
OFF
32K x 8
2-3
Table 2-5: TAG SRAM Type
Pentium CPU Type Selection
JP8
P55C VCORE (2.5V)
1-2
P54C/Other VCC (3.4V)
2-3
P55C VCORE (2.8V)
4-5
