Dell POWEREDGE C6105 Hardware Owner's Manual page 108

Figure 3-26. Removing and Installing the Mid-plane Holder Support
1 screw (4) 2 mid-plane holder support
12 Remove the screws that secure the mid-plane holder to the chassis.
Figure 3-27.
13 Lift the mid-plane holder out of the chassis. See Figure 3-27.
108 | Installing System Components