Dell PowerEdge R440 EMC Installation and Service Manual - Page 121
System battery, Optional internal USB memory key, Replacing the optional internal USB memory key
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Figure 94. Cable routing - 4 x 3.5 hard drive backplane with SATA 1. hard drive backplane 3. cable routing clip 5. backplane power cable 7. system board 2. backplane signal cable 4. SATA cable (BP: SATA_A to MB) 6. power supply unit System battery The Dell EMC PowerEdge R440 system supports CR 2032 3.0-V lithium coin cell system battery. Optional internal USB memory key NOTE: To locate the internal USB port on the system board, see the System board jumpers and connectors section. Replacing the optional internal USB memory key Prerequisites CAUTION: To avoid interference with other components in the server, the maximum permissible dimensions of the USB memory key are 15.9 mm wide x 57.15 mm long x 7.9 mm high. 1. Follow the safety guidelines listed in Safety instructions. 2. Follow the procedure listed in Before working inside your system. Steps 1. Locate the USB port or USB memory key on the system board. To locate the USB port, see the Jumpers and connectors. 2. If installed, remove the USB memory key from the USB port. 3. Insert the replacement USB memory key into the USB port. Installing and removing system components 121
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