System board
To remove the system board, use these procedures and illustrations.
Table 6-9 System board descriptions and part numbers
Description Spare part number
System board (includes integrated processor)
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows operating system
Intel Core i7-1265U processor N10131-xx1
Intel Core i7-1255U processor N10130-xx1
Intel Core i5-1245U processor N10129-xx1
Intel Core i5-1235U processor N10128-xx1
Intel Core i3-1215U processor N10127-xx1
RJ-45 door
Slim N09822-001
Nonslim N09823-001
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 37).
2. Remove the bottom cover (see Bottom cover on page 37).
3. Remove the battery (see Battery on page 44).
4. Remove the fan (see Fan on page 50).
When you replace the system board, be sure to remove the following components (as applicable) from the
defective system board and install them on the replacement system board:
● Memory modules (see Memory modules on page 39).
● WLAN module (see WLAN module on page 40).
● Solid-state drive (see Solid-state drive on page 41).
● Heat sink (see Heat sink on page 51).
Remove the system board:
1. Disconnect the following cables from the system board:
NOTE: You should never disconnect the RTC battery cable from the system board.
● Power connector cable (1)
● Antenna cables from the WLAN module (select products only) (2)
System board
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