Remove the I/O module board and M.2 boot drives

Procedure

1. Locate the M.2 drive to be removed.
   Note

   The slots are numbered to indicate the installation order. If only one M.2 drive is to be installed to the I/O module board, install the M.2 drive in Slot 1.

   Slots on I/O module board

   1 Slot 2 / M.2 Bay 1

   2 Slot 1 / M.2 Bay 0

2. Remove the M.2 drive.
   1. Loosen the screw that secures the M.2 drive.
   2. Pivot the rear side of the M.2 drive away from the M.2 adapter.
   3. Remove the M.2 drive from the slot.
   Note

   If necessary, repeat this procedure to the other M.2 drive to be removed.

   Figure 1. Removing an M.2 drive
   
   

Procedure

1. Disconnect all the cables from the I/O module board. While disconnecting the cables, make a list of each cable and record the connectors the cable is connected to, and use the record as a cabling checklist after installing the new I/O module board.
2. Loosen the six screws that secure the I/O module board.
3. Lift the I/O module board to remove it.
   Figure 2. Removing the I/O module board
   
   

Procedure

1. Pull up the Mylar film.
2. Remove the I/O-board power cable and signal cable from the cable clips.
3. Stick the Mylar film back to the node.
   Figure 3. I/O-board cable routing
   
   
   
   

   1 Cable clips

   2 Mylar film

4. Remove the top cover. See Remove the top cover.
5. Remove the riser assembly. (Before disconnecting the cables of riser assembly, remove the processor air baffle.) See Remove the riser assembly from the node and Remove the processor air baffle and air flow sensor board.
6. Route the I/O-board power cable and signal cable through the chassis hole to the top side of the node.
7. Disconnect the I/O-board power cable and signal cable from the system board; then, remove the cables from the chassis.
   Figure 4. I/O-board cable routing
   
   

   1 I/O-board power cable

   2 I/O-board signal cable