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
).
3.
Remove the battery (see
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