IBM Partner Pavilion DS4100 manual Pull-rings for removing a controller

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Figure 74. Pull-rings for removing a controller

b.Grasp the pull-rings; then pull on the levers and remove the RAID controller.

7.To access the cache battery, place the RAID controller CRU bottom up on a flat surface. Using a #2 Phillips head screwdriver, remove the six screws (three on each side of the RAID controller) that hold the RAID controller bottom panel to the sides of the RAID controller, as shown in Figure 75.

Attention: Before you move the cache battery from your old controller to your replacement controller, read the detailed instructions in this procedure.

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Figure 75. Controller battery-access panel screws

8.Slide the RAID controller bottom panel away from the front side of the RAID controller (away from the SFP slots and black center latch) to unlatch it from the side panels.

9.Carefully flip over the RAID controller bottom panel. Disconnect the battery harness on the battery from the two-pin connector on the controller board, as shown in Figure 76 on page 100.

Chapter 5. Installing and replacing components 99