HP Apollo 9000 400t Manual de Serviço Página 202

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5-54 FRU Removal and Replacement
5.5.21 EEPROM Removal and Replacement
The EEPROM from a failed CPU board must be installed in a new CPU board if the
CPU board fails. If the existing EEPROM has failed, it should be replaced with a new
one and the system unit’s Configure Mode reconfigured for the application.
To obtain a new EEPROM, order a new CPU board.
To remove and replace the EEPROM, refer to Figure 5-39 and follow these steps:
1. Find the EEPROM (U54) on the CPU board.
2. Using an EEPROM puller (part no. 821903-1), remove the EEPROM, noting its
orientation in its socket.
3. If you are replacing the CPU board, remove the EEPROM from the new CPU
board. Otherwise, skip this step.
4. If you are replacing the CPU board, install the EEPROM from the failed CPU
board in the new CPU board. Otherwise, skip this step.
5. If you are replacing the EEPROM, install the new EEPROM in the CPU board.
Figure 5-39. Model 400s EEPROM Removal
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