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MS-5109
1.System Board Layout
2. Clock Selection: JK1, JK2
Set jumper JK1, Jk2 according to the CPU clock - 75 MHz, 90MHz,
or 100MHz.
See Figure 1 for the location of the jumer.
JK1, JK2 Settings
|
CPU Clock
|
JK1
|
JK2
|
|
50 MHz for P54C - 75MHz
|
OPEN
|
OPEN
|
|
OPEN
|
OPEN
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60 MHz for P54C - 90Mhz
|
OPEN
|
SHORT
|
|
OPEN
|
SHORT
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66 MHz for P54C - 100Mhz
|
SHORT
|
SHORT
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SHORT
|
SHORT
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3. NA# Selector: JP1
Jumper JP1 Enables/Disables NA#. See Figure 1 for the location of
the jumper.
JP1 Settings
|
Description
|
JP1
|
|
1
|
2
|
3
|
|
Disable NA# (Default)
|
SHORT
|
SHORT
|
OPEN
|
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Enable NA#
|
OPEN
|
SHORT
|
SHORT
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4. On-Board PCI IDE Controller (Enable/Disable): JHDD
Jumper JHDD enables/disables the on-board PCI IDE Controller. See
Figure 1 for the location of the jumper.
JHDD Settings
|
Setting
|
JHDD
|
| Enable on-board PCI IDE Controller |
1
|
SHORT
|
|
2
|
SHORT
|
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3
|
OPEN
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| Disable on-board PCI IDE Controller |
1
|
OPEN
|
|
2
|
SHORT
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3
|
SHORT
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CPU Voltage Selector: JP20
Jumper JP20 select 3.4/3.5 Volt power source for P54C. See figure
1 for the location of the jumper.
|
CPU Voltage
|
JP20
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3.4V
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ALL SHORT
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3.5V
|
ALL OPEN
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