HP ProBook 5330m HP ProBook 5330m Notebook PC - Maintenance and Service Guide - Page 74

System board - i5

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System board Description Spare part number System board (includes replacement thermal material) ● Includes Intel Core i3-2310M, Dual-Core, 2.10 GHz, 3 MB L3 cache, 4 threads (35 W)-for all countries except Russia and the People's Republic of China 650402-001 ● Includes Intel Core i5-2520M, Dual-Core, 2.50 GHz (Turbo up to 3.20 GHz), 3 MB L3 cache, 650403-001 4 threads (35 W)-for all countries except Russia and the People's Republic of China ● Includes Intel Core i3-2310M, Dual-Core, 2.10 GHz, 3 MB L3 cache, 4 threads (35 W)--for Russia and the People's Republic of China only 656796-001 ● Includes Intel Core i5-2520M, Dual-Core, 2.50 GHz (Turbo up to 3.20 GHz), 3 MB L3 cache, 656797-001 4 threads (35 W) --for Russia and the People's Republic of China only 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 36). 5. Remove the service access cover (see Service access cover on page 38). 6. Remove the keyboard (see Keyboard on page 50). 7. Remove the fan (see Fan on page 53). 8. Remove the top cover (see Top cover on page 55). 9. Remove the speakers (see Speakers on page 65). When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● Memory module (see Memory module on page 40) ● WLAN module (see WLAN module on page 41) ● WWAN module (see WWAN module on page 44) ● SIM (see SIM on page 39) ● Fan (see Fan on page 53) ● RTC battery (see RTC battery on page 64) Remove the system board: 1. Position the computer right-side up, with the front toward you. 66 Chapter 4 Removal and replacement procedures

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System board
Description
Spare part number
System board
(includes replacement thermal material)
●
Includes Intel Core i3-2310M, Dual-Core, 2.10 GHz, 3 MB L3 cache, 4 threads (35 W)—for
all countries except Russia and the People's Republic of China
650402-001
●
Includes Intel Core i5-2520M, Dual-Core, 2.50 GHz (Turbo up to 3.20 GHz), 3 MB L3 cache,
4 threads (35 W)—for all countries except Russia and the People's Republic of China
650403-001
●
Includes Intel Core i3-2310M, Dual-Core, 2.10 GHz, 3 MB L3 cache, 4 threads (35 W)--for
Russia and the People's Republic of China only
656796-001
●
Includes Intel Core i5-2520M, Dual-Core, 2.50 GHz (Turbo up to 3.20 GHz), 3 MB L3 cache,
4 threads (35 W) --for Russia and the People's Republic of China only
656797-001
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
36
).
5.
Remove the service access cover (see
Service access cover
on page
38
).
6.
Remove the keyboard (see
Keyboard
on page
50
).
7.
Remove the fan (see
Fan
on page
53
).
8.
Remove the top cover (see
Top cover
on page
55
).
9.
Remove the speakers (see
Speakers
on page
65
).
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
Memory module (see
Memory module
on page
40
)
●
WLAN module (see
WLAN module
on page
41
)
●
WWAN module (see
WWAN module
on page
44
)
●
SIM (see
SIM
on page
39
)
●
Fan (see
Fan
on page
53
)
●
RTC battery (see
RTC battery
on page
64
)
Remove the system board:
1.
Position the computer right-side up, with the front toward you.
66
Chapter 4
Removal and replacement procedures