System board
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows 10 operating system
Table 5-13 System board descriptions and part numbers
Description Spare part number
Intel Core i7-8565U processor L61954-xx1
Intel Core i5-8265U processor L61953-xx1
Intel Core i3-8145U processor L61952-xx1
Intel Core i3-7020U processor L61951-xx1
Intel Pentium 5405U processor L70052-xx1
Intel Pentium 4417U processor L61955-xx1
Intel Pentium N5000 processor L61956-xx1
Intel Celeron N4000 processor L61950-xx1
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 26).
2. Remove the bottom cover (see Bottom cover on page 27).
3. Remove the battery (see Battery on page 29).
4. Remove the heat sink (see Heat sink (thermal module) on page 41).
Remove the system board:
1. Models with a fan: Disconnect the following cables from the system board:
a. Power connector cable (1)
b. Display cable (2)
c. Speaker cable (3)
d. WLAN module antennas (4)
e. Power button/card reader board cable (ZIF) (5)
f. Keyboard cable (ZIF) (6)
g. Keyboard backlight cable (ZIF) (7)
h. Touchpad cable (ZIF) (8)
i. Fingerprint reader cable (ZIF) (9)
Component replacement procedures 45
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