HP Mini 110-3018cl HP Mini 110 and Compaq Mini CQ10 - Maintenance and Service - Page 78
System board, Disconnect the WLAN antenna cables from the WLAN 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™ N450 1.66-GHz processor with 512-KB level 2 cache, 667-MHz FSB 607740-001 Intel Atom™ N470 1.83-GHz processor with 512-KB level 2 cache, 667-MHz FSB, 6.5W TDP 607741-001 Intel Atom™ N455 1.66-GHz processor with 512-KB level 2 cache, 667-MHz FSB 618873-001 Intel Atom™ N475 1.83-GHz processor with 512-KB level 2 cache, 667-MHz FSB, 6.5 TDP 618874-001 Intel Atom™ N450 1.66-GHz processor with 512-KB level 2 cache, 667-MHz FSB without WWAN 621300-001 module Intel Atom™ N470 1.83-GHz processor with 512-KB level 2 cache, 667-MHz FSB, 6.5W TDP without WWAN module 621301-001 Intel Atom™ N455 1.66-GHz processor with 512-KB level 2 cache, 667-MHz FSB without WWAN 621302-001 module Intel Atom™ N475 1.83-GHz processor with 512-KB level 2 cache, 667-MHz FSB, 6.5 TDP without 621303-001 WWAN module 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 38). 5. Remove the service cover (see Service cover on page 40). 6. Disconnect the hard drive cable from the system board (see Hard drive on page 41). 7. Disconnect the WWAN antenna cables from the WWAN module (see WWAN module on page 43). 8. Disconnect the WLAN antenna cables from the WLAN module (see WLAN module on page 46). 9. Remove the keyboard (see Keyboard on page 54). 10. Remove the top cover (see Top cover on page 57). 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: ● SIM (see SIM on page 39) ● WWAN module (see WWAN module on page 43) 68 Chapter 4 Removal and replacement procedures