Table 5-6 RTC battery description and part number
Description Spare part number
RTC battery M34737-001
Before removing the RTC battery, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 32).
2. Remove the bottom cover (see Bottom cover on page 32).
3. Disconnect the battery cable from the system board (see Battery on page 33).
Remove the RTC battery:
1. Use a tool to release the battery from the computer (1).
2. Disconnect the battery cable from the system board (2).
Reverse this procedure to install the RTC battery.
I/O board
To remove the I/O board, use this procedure and illustration.
Table 5-7 I/O board description and part number
Description Spare part number
I/O board M21712-001
I/O board cables (included in Cable Kit) M21713-001
RJ-45 door M21994-001
Before removing the I/O board, follow these steps:
Component replacement procedures 39
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