RTC battery
To remove the RTC battery, use this procedure and illustration.
Table 5-7 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 (Preparation for disassembly on page 30).
2. Remove the bottom cover (Bottom cover on page 30).
3. Disconnect the battery cable from the system board (see Battery on page 31).
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
5-8 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 (included in Plastics Kit) M21714-001
Component replacement procedures 39
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