About this task
NOTE: If either the system board or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure
that thermal conductivity is achieved.
The following image indicates the connectors on your system board.
Figure 57. System board connectors
1. Fan cable connector (FAN2)
2. I/O board-cable connector (IOBD1)
3. Front-firing speaker cable connector (SPK2)
4. Display-assembly cable connector (LCD1)
5. Power-adapter port cable connector (DCIN1)
6. Fan cable connector (FAN1)
7. Battery cable connector (BATT1)
8. Keyboard-cable connector (KB)
9. Keyboard-backlight cable connector (KBBL1)
10. Memory-module slot (DIMM1)
11. Memory-module slot (DIMM2)
12. M.2 2230 solid-state drive slot (SSD2)
13. M.2 2280 solid-state drive slot (SSD1)
14. M.2 wireless card slot (WLAN1)
15. Touchpad-cable connector (TP1)
16. Down-firing speaker cable connector (SPK1)
82
Removing and installing Field Replaceable Units (FRUs)
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