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Figure 2–2 AlphaPC 164UX Configuration Jumpers
J28 System Configuration Jumpers
Option 1
Option 2
Option 3
Option 4
Option 5
Option 6
Option 7
Option 8
Option 9
Option 10
Option 11
Option 12
Option 13
Option 14
Option 15
Option 16
Option1 Option2 Option3 Option4
Frequency
300 MHz
In
333 MHz
Out
366 MHz
In
400 MHz
Out
433 MHz
In
466 MHz
Out
500 MHz
In
533 MHz
Out
566 MHz
In
600 MHz
Out
633 MHz
In
666 MHz
Out
700 MHz
In
733 MHz
Out
766 MHz
In
800 MHz
Out
Option 5 : Pyxis Bus Speed Select(Default Out)
Option 6 : Reserved Default Out
Option 7 : Enable SROM Debug Mode(Default Out)
Option 8 : Enable Firmware Debug Mode(Default Out)
Option 9 : Enable only 1 set of Scache(Default Out)
Option 10 : Reserved Default Out
Option 11 : Boot SAFE ARCSBIOS Image(Default Out)
Option 12 : Reserved Default Out
Option 13 : Must be In
Bcache Size
Option14 Option15
0MB
In
1MB
In
2MB
Out
4MB
Out
Option 16 : FAN OK Signal Do not ever
System Configuration and Connectors
In
In
In
In
In
In
Out
In
In
Out
In
In
In
Out
In
In
Out
In
Out
Out
In
Out
Out
In
In
In
Out
In
In
Out
Out
In
Out
Out
In
Out
In
Out
Out
In
Out
Out
Out
Out
Out
Out
Out
Out
Out
In
Out
In
populate(Default Out)
2–4
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