HP 255 G4, Maintenance And Service Manual

Page: 59 / 108

System board
NOTE: The system board spare part kit includes replacement thermal materials.
Description Spare part
number
System board (includes replacement thermal materials):
All system boards use the following part numbers:
xxxxxx-001: Without the Windows 8.1 operating system
xxxxxx-501: Windows 8.1 Standard
xxxxxx-601: Windows 8.1 Professional
For use in HP Notebook PC models:
Discrete graphics memory; Non-touch screen models:
● AMD A8-7410 processor and 2 GB of discrete graphics memory
813971-xxx
●
AMD A6-6310 processor and 1 GB of discrete graphics memory 818487-xxx
UMA graphics memory; non-touch screen models:
●
AMD A8-7410 processor
813969-xxx
●
AMD A6-6310 processor 813967-xxx
●
AMD E1-6015 processor 813966-xxx
UMA graphics memory, touch screen models:
●
AMD A8-7410 processor
813970-xxx
●
AMD A6-6310 processor 813968-xxx
For use in HP 255 G4 models:
UMA graphics memory
●
AMD A8-7410 processor
814612-xxx
●
AMD A6-6310 processor 814611-xxx
● AMD E1-6015 processor 814610-xxx
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 28 ).
5. Remove the optical drive (see Optical drive on page 29 ), if installed.
Component replacement procedures 51