Table 6-11  System board descriptions and part numbers (continued)
Description Spare part 
number
Equipped with an Intel Core i7-10850H processor and the Windows 10 operating system for use on computer models 
with WWAN capability
M31403-601
Equipped with an Intel Core i7-10850H processor and a non-Windows operating system for use on computer models 
with WWAN capability
M31403-001
Equipped with an Intel Core i7-10850H processor and the Windows 10 operating system for use on computer models 
without WWAN capability
M20102-601
Equipped with an Intel Core i7-10850H processor and a non-Windows operating system for use on computer models 
without WWAN capability
M20102-001
Equipped with an Intel Core i7-10750H processor and the Windows 10 operating system for use on computer models 
with WWAN capability
M31402-601
Equipped with an Intel Core i7-10750H processor and a non-Windows operating system for use on computer models 
with WWAN capability
M31402-001
Equipped with an Intel Core i7-10750H processor and the Windows 10 operating system for use on computer models 
without WWAN capability
M20101-601
Equipped with an Intel Core i7-10750H processor and a non-Windows operating system for use on computer models 
without WWAN capability
M20101-001
Equipped with an Intel Core i5-10400H processor and the Windows 10 operating system for use on computer models 
with WWAN capability
M31401-601
Equipped with an Intel Core i5-10400H processor and a non-Windows operating system for use on computer models 
with WWAN capability
M31401-001
Equipped with an Intel Core i5-10400H processor and the Windows 10 operating system for use on computer models 
without WWAN capability
M20100-601
Equipped with an Intel Core i5-10400H processor and a non-Windows operating system for use on computer models 
without WWAN capability
M20100-001
Equipped with an Intel Core i5-10300H processor and the Windows 10 operating system for use on computer models 
with WWAN capability
M31400-601
Equipped with an Intel Core i5-10300H processor and a non-Windows operating system for use on computer models 
with WWAN capability
M31400-001
Equipped with an Intel Core i5-10300H processor and the Windows 10 operating system for use on computer models 
without WWAN capability
M20099-601
Equipped with an Intel Core i5-10300H processor and a non-Windows operating system for use on computer models 
without WWAN capability
M20099-001
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 66).
2. Remove the service cover (Service cover on page 40), and then remove the following components:
1. Battery (see Battery on page 41)
2. Solid-state drives 3 and 4 (see Solid-state drives 3 and 4 on page 42)
3. Solid-state drive carrier (see Solid-state drives 3 and 4 on page 42)
4. Hard drive (see Hard drive on page 44)
90 Chapter 6   Removal and replacement procedures for authorized service provider parts ENWW