Table 6-8 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
The system board repair support kit is available as spare part number N08219-888. The kit includes various
protective tapes and power LED sponge.
Models with integrated UMA graphics memory
● Intel Core i7-1260P processor N01276-xx1
● Intel Core i7-1255U processor N01275-xx1
● Intel Core i7-1240P processor N01274-xx1
● Intel Core i5-1235U processor N01272-xx1
● Intel Core i5-1235U processor, models with WWAN N01273-xx1
● Intel Core i3-1215U processor N01270-xx1
● Intel Core i3-1215U processor, models with WWAN N01271-xx1
● Intel Pentium Gold 8505 processor N01269-xx1
Models with discrete graphics memory
● Intel Core i7-1255U processor N01267-xx1
● Intel Core i5-1235U processor N01266-xx1
Before removing thesystem board, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 40).
2. Remove the bottom cover (see Bottom cover on page 40).
3. Remove the battery (see Battery on page 50).
4. Remove the fan (see Fan on page 54).
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 42).
● WLAN module (see WLAN module on page 44).
● Solid-state drive (see Solid-state drive on page 47).
● Heat sink (see Heat sink on page 56).
Remove the system board:
58
Chapter 6Removal and replacement procedures for authorized service provider parts
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