Dell PowerVault MD3000i Hardware Owner's Manual - Page 68
Removing and Installing the Midplane
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2 Slide the control panel fully into the slot, making sure that its connector engages into the matching backplane connector (see Figure 3-7). Also, make sure the guide tab on the control panel is fully inserted into the mounting slot on the backplane. 3 Replace the front faceplate and re-attach the 16 screws that hold it in place. 4 Re-install any physical disks you removed (see "Removing and Installing Physical Disks" on page 56). 5 Push the enclosure all the way back into the rack and tighten the thumbscrews. 6 Reconnect power cables to the enclosure and power it back on. 7 Power on the host server. Removing and Installing the Midplane CAUTION: Only trained service technicians are authorized to remove the enclosure cover and access any of the components inside the enclosure. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the enclosure and protecting against electrostatic discharge. The enclosure midplane contains the connectors for the physical disks, RAID controller module, control panel, and power supply/cooling fan modules. 1 Complete the steps in "Removing the Control Panel" on page 66. 2 Remove the RAID controller modules from the enclosure. (See "Removing and Installing a RAID Controller Module" on page 60.) 3 Remove both power supply/cooling fan modules from the enclosure. (See "Removing and Installing the Power Supply/Cooling Fan Module" on page 64.) 4 Remove the four Phillips screws holding the controller/power supply cage in the enclosure (see Figure 3-8). 68 Installing Enclosure Components