HP Mini 110-3800 HP Mini 210 Maintenance and Service Guide - Page 69

System board, WWAN module see

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System board NOTE: The system board spare part kit includes replacement thermal material. Description Spare part number Intel® Atom™ N455 single-core, 1.66 GHz processor, 512 KB level 2 cache, 667 MHz front-side bus (FSB) 650737-001 Intel® Atom™ N475 single-core, 1.83 GHz processor, 512 KB level 2 cache, 667 MHz FSB 650738-001 Intel® Atom™ N570 dual-core 1.66 GHz processor, 1 MB level 2 cache, 667 MHz FSB 650739-001 Intel® Atom™ N455 single-core 1.66 GHz processor, 512 KB level 2 cache, 667 MHz FSB, XSLOT 650740-001 Intel® Atom™ N475 single-core, 1.83 GHz processor, 512 KB level 2 cache, 667 MHz FSB, XSLOT 650741-001 Intel® Atom™ N570 dual-core 1.66 GHz processor, 1 MB level 2 cache, 667 MHz FSB, XSLOT 650742-001 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 37). 5. Remove the service access cover (see Service access cover on page 38). 6. Disconnect the hard drive cable from the system board (see Hard drive on page 45). 7. Disconnect the WLAN antenna cables from the WLAN module (see WLAN module on page 39). 8. Disconnect the WWAN antenna cables from the WWAN module (see WWAN module on page 41). 9. Remove the keyboard (see Keyboard on page 48). 10. Remove the top cover (see Top cover on page 54). 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: ● WLAN module (see WLAN module on page 39) ● WWAN module (see WWAN module on page 41) ● Memory module (see Memory module on page 43) ● RTC battery (see RTC battery on page 44) Remove the system board: 1. Remove the 2 Phillips PM2.0x5.0 screws (1) that secure the system board to the base enclosure . 2. Starting in the middle of the system board, lift the system board up, and then lift the right side of the system board (2) until it rests at an angle. Component replacement procedures 61

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System board
NOTE:
The system board spare part kit includes replacement thermal material.
Description
Spare part number
Intel® Atom™ N455 single-core, 1.66 GHz processor, 512 KB level 2 cache, 667 MHz front-side
bus (FSB)
650737-001
Intel® Atom™ N475 single-core, 1.83 GHz processor, 512 KB level 2 cache, 667 MHz FSB
650738-001
Intel® Atom™ N570 dual-core 1.66 GHz processor, 1 MB level 2 cache, 667 MHz FSB
650739-001
Intel® Atom™ N455 single-core 1.66 GHz processor, 512 KB level 2 cache, 667 MHz FSB, XSLOT
650740-001
Intel® Atom™ N475 single-core, 1.83 GHz processor, 512 KB level 2 cache, 667 MHz FSB,
XSLOT
650741-001
Intel® Atom™ N570 dual-core 1.66 GHz processor, 1 MB level 2 cache, 667 MHz FSB, XSLOT
650742-001
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
37
).
5.
Remove the service access cover (see
Service access cover
on page
38
).
6.
Disconnect the hard drive cable from the system board (see
Hard drive
on page
45
).
7.
Disconnect the WLAN antenna cables from the WLAN module (see
WLAN module
on page
39
).
8.
Disconnect the WWAN antenna cables from the WWAN module (see
WWAN module
on page
41
).
9.
Remove the keyboard (see
Keyboard
on page
48
).
10.
Remove the top cover (see
Top cover
on page
54
).
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:
●
WLAN module (see
WLAN module
on page
39
)
●
WWAN module (see
WWAN module
on page
41
)
●
Memory module (see
Memory module
on page
43
)
●
RTC battery (see
RTC battery
on page
44
)
Remove the system board:
1.
Remove the 2 Phillips PM2.0x5.0 screws
(1)
that secure the system board to the base
enclosure .
2.
Starting in the middle of the system board, lift the system board up, and then lift the right side of
the system board
(2)
until it rests at an angle.
Component replacement procedures
61