1. Disconnect the top cable from the USB board (1).
2. Disconnect the two at ribbon cables from the two reverse ZIF connectors on the USB board (2).
3. Remove the four Phillips M2.0 × 3.5 screws (3) that secure the board to the computer.
4. Remove the board from the computer (4).
Reverse this procedure to install the USB board.
System board
To remove the system board, use these procedures and illustrations.
Table 5-7 System board descriptions and part numbers
Description Spare part number
Intel Pentium Silver N6000 processor, 8 GB system memory, and 128 GB eMMC memory M74067-001
Intel Pentium Silver N6000 processor, 4 GB system memory, and 64 GB eMMC memory M74066-001
Intel Pentium Silver N5030 processor, 8 GB system memory, and 128 GB eMMC memory L91521-001
Intel Pentium Silver N5030 processor, 8 GB system memory, and 128 GB eMMC memory, models with a
backlit keyboard
M21214-001
Intel Pentium Silver N5030 processor, 8 GB system memory, and 128 GB eMMC memory, models with a
backlit keyboard, no card reader
M75856-001
Intel Pentium Silver N5030 processor, 8 GB system memory, and 128 GB eMMC memory, no card reader M81923-001
Intel Pentium Silver N5030 processor, 4 GB system memory, and 64 GB eMMC memory L91520-001
Intel Pentium Silver N5030 processor, 4 GB system memory, and 64 GB eMMC memory, models with a
backlit keyboard
M21213-001
Intel Pentium Silver N5030 processor, 4 GB system memory, and 64 GB eMMC memory, no card reader M75852-001
34 Chapter 5 Removal and replacement procedures for authorized service provider parts