HP 470 17 inch G9 Notebook PC Maintenance And Service Manual page 53

Table 5-12 System board descriptions and part numbers
Description
System board (includes processor):
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows 10 operating system
Models with UMA graphics memory:
Intel Core 7-1255U
Intel Core i5-1235U
Intel Core i3-1215U
Models with discrete graphics memory:
Intel Core i7-1255U with NVIDIA GeForce MX550 graphics adapter
Intel Core i5-1235U with NVIDIA GeForce MX550 graphics adapter
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (see
2. Remove the bottom cover (see
3. Remove the battery (see
4. Remove the solid-state drive (see
5. Remove the memory modules (see
6. Remove the WLAN module (see
7. Remove the fan (see
NOTE: You do not have to remove the heat sink to remove the system board.
Remove the system board:
1. Disconnect the following cables from the system board:
Power connector cable (1)
●
Left fan cable (2)
●
Display cable (ZIF) (3)
●
Speaker cable (4)
●
Keyboard cable (ZIF) (5)
●
Backlight cable (ZIF) (6) (select products only)
●
Touchpad board (ZIF) (7)
●
Hard drive cable (ZIF) (8)
●
Preparation for disassembly on page
Bottom cover and rubber feet on page
Battery on page 32).
Solid-state drive on page
Memory modules on page
WLAN module on page
Fan on page 42).
30).
35).
33).
36).
Spare part number
N20294-xxx
N20293-xxx
N20292-xxx
N20296-xxx
N20295-xxx
30).
System board 47