Product Manual
Page 98
... is selected, your DSM-520 will be prompted to upgrade your Media Server software. IMPORTANT: DO NOT TURN OFF THE UNIT OR DISCONNECT THE POWER DURING THE FIRMWARE UPDATE. Once the update has been completed the DSM-520 will be prompted to locate available firmware updates. Note: If you have a version of the D-Link Media Server already installed...
... is selected, your DSM-520 will be prompted to upgrade your Media Server software. IMPORTANT: DO NOT TURN OFF THE UNIT OR DISCONNECT THE POWER DURING THE FIRMWARE UPDATE. Once the update has been completed the DSM-520 will be prompted to locate available firmware updates. Note: If you have a version of the D-Link Media Server already installed...