Specifications

7. Remove the hard drive (see Hard drive on page 41).
8. Remove the RTC battery (see RTC battery (see
RTC battery on page 54).
9. Remove the memory modules (see
Memory modules on page 43).
10. Remove the WLAN module (see
WLAN module on page 44).
11. Remove the optical drive (see
Optical drive on page 46).
12. Remove the base enclosure (see
Base enclosure on page 55).
13. Remove the fan (see
Fan on page 74).
14. Remove the system board (see
System board on page 76).
Remove the heat sink:
Loosen the 4 captive screws in the order listed on the heat sink (1), and then remove the heat
sink (2).
NOTE: There is thermal paste between the heat sink and the processor.
Reverse this procedure to install the heat sink.
Processor
Description Spare part number
Intel Quad Core i7-4900MQ 2.80-GHz (SC turbo up to 3.80-GHz) processor (1600-MHz FSB,
8.0-MB L3 cache, 47 W)
723523-001
Intel Quad Core i7-4800MQ 2.70-GHz (SC turbo up to 3.70-GHz) processor (1600-MHz FSB,
6.0-MB L3 cache, 47 W)
723524-001
Intel Quad Core i7-4702MQ 2.20-GHz (SC turbo up to 3.20-GHz) processor (1600-MHz FSB,
6.0-MB L3 cache, 37 W)
723522-001
Component replacement procedures 79