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To use Monarch mode, you must design a carrier card that supports Monarch mode.
The rest of this appendix provides guidelines for designing such a card.
PrPMC Connectors (Jn1 and Jn2)
General
Leave all reserve pins unconnected.
The PCI:~RST signal is an input to the PrPMC. It should be driven by an open collector
device and it requires a pullup (1K to +5V) for the EPC-6320/21 to operate properly.
Power
The EPC-6320/21 includes the following power considerations: +5V, +3.3V, +12V,
–12V, and VI/O.
VCC and +3.3V requires:
•
A single bulk bypass near the power connection to the EPC-6320/21.
•
A high-frequency decoupling cap at each pin.
+12 and –12V are not used on the board and only require the high-frequency
decoupling cap.
VI/O requires a a high-frequency decoupling cap on each pin. VI/O can be 5V
or +3.3V.
G
Carrier Card Design
PrPMC Connectors (Jn1 and Jn2)
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General
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Jn1
.........................................................................................................................................................72
Jn2
.........................................................................................................................................................72
RadiSys-Defined PrPMC Connector (Jn4)
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IDE
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Keyboard and Mouse
.....................................................................................................................73
Serial Port
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Clocking
...............................................................................................................................................73
Arbitration
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RTC Battery
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Mechanical and Thermal Design
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Power consumption
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Airflow
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Maximum Ambient Temperature
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Carrier Card Schematic Samples
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