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Appendix A: Specifications
175
Processor Host Core Bus Ratio
Jumper block J1E2 configures the host-core bus ratio. By default, the bus ration is two to eleven and
the core frequency is 733 MHz. Figure A-13 shows the jumper settings.
RATIO3
RATIO2
RATIO1
RATIO0
RATIO3
RATIO2
RATIO1
RATIO0
RATIO3
RATIO2
RATIO1
RATIO0
RATIO3
RATIO2
RATIO1
RATIO0
A
B
J1E2
C
1
J1E2
D
1
J1E2
1
J1E2
1
Figure A-13. Host-Core Bus Ratio Settings
Jumper diagram labeled:
A. Two to 10 Bus Ratio with 667 MHz Core Frequency (Default Setting)
B. Two to 11 Bus Ratio with 733 MHz Core Frequency
C. Two to 12 Bus Ratio with 800 MHz Core Frequency
D. Processor Frequency Auto Detect (Default Setting)