Emerson PMPPC7448 사용자 설명서

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Development Mezzanine Card:
 Troubleshooting
10-13
TROUBLESHOOTING
In case of difficulty, use this checklist:
❐ Be sure the PmPPC7448 module is seated firmly on the baseboard and that the 
baseboard is seated firmly in the card cage.
❐ Verify the boot jumper settings (see 
❐ If booting from EEPROM (U2), make sure the device is properly oriented in the socket.
❐ Be sure the system is not overheating.
❐ Check your power supply for proper DC voltages. If possible, use an oscilloscope to look 
for excessive power supply ripple or noise (over 50 mV
pp
 below 10 MHz). 
Technical Support
(800) 327-1251 or (608)826-8006 (US)
44-131-475-7070 (UK)
Please have the following information available:
• the DMC serial number and product identification (ID)
• the PmPPC7448 serial number and product ID
• the monitor revision level (if applicable)
• version and part number of the operating system (if applicable)
Product Repair