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Appendix A: Specifications
172
J1E2
J2H1
J2H2
J2H3
J2E3
J2E2
J2E4
J9H1
Figure A-9. Processor Baseboard Jumper Locations
Jumpers labeled:
J2E3 JTAG SELECT1
J2E4 JTAG SELECT2
J2H1 Host Bus Frequency
J2H2 Host Bus Frequency
J2H3 Host Bus Frequency
J1E2 Processor Frequency
J2E2 Miscellaneous
J9H1 Miscellaneous
JTAG Select1 Settings
Jumper block J2E3 selects combinations of the processor, supporting chip set, memory, and I/O as
routes for JTAG TDI and TDO signals. The default jumper setting allows only JTAG TDI and TDO
signals to be routed through the processor. Figure A-10 shows the jumper settings.
J2E3
M3TDO
ITPTDO
MEMIOTDO_GTL
NC
SACTDI
SDCTDO
MEMATDI
NC
A
J2E3
M3TDO
ITPTDO
MEMIOTDO_GTL
NC
SACTDI
SDCTDO
MEMATDI
NC
B
J2E3
M3TDO
ITPTDO
MEMIOTDO_GTL
NC
SACTDI
SDCTDO
MEMATDI
NC
C
1 1 1
Figure A-10. JTAG Select1 Jumper Settings
Jumper diagram labeled:
A. Processor Only (Default Setting)
B. Processor and Supporting Chip Set
C. Processor, Supporting Chip Set, Memory, and I/O