Installing the system board
CAUTION: The information in this installation section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
NOTE: The Service Tag of your computer is stored in the system board. You must enter the Service Tag in the BIOS setup
program after you replace the system board.
NOTE: Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program.
You must make the appropriate changes again after you replace the system board.
The following image indicates the connectors on your system board.
Figure 101. System board connectors
1. Power-supply unit cable connector (ATX CPU1)
2. Power-supply unit cable connector (ATX CPU2)
3. Memory module connectors (DIMM3, DIMM1, DIMM4, DIMM2)
4. Power-button cable connector (PWR SW)
5. Media-card reader connector (SD CARD)
6. M.2 2230/2280 solid-state drive connector (M.2 PCIe SSD-1)
7. M.2 2230 solid-state drive connector (M.2 PCIe SSD-2)
8. Hard-drive data cable connector (SATA0)
9. Hard drive/Slim optical drive power cable connector (SATA1 and SATA2)
10. Slim optical drive data cable connector (SATA3)
11. SATA power cable connector (SATA PWR)
12. Wireless card connector (M.2 WLAN)
130
Removing and installing Field Replaceable Units (FRUs)
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