HP ProLiant DL320e Gen8 Server - Manual (Page 23)

IMPORTANT: If unsupported media devices, including SD cards other than HP 32GB SD or
microSD Enterprise Mainstream Flash Media, are connected at this point, the following error
appears: There are no physical disks attached. To resolve the issue, remove the
unsupported media device, and make sure you have network share information available, or a
disk or ISO, FTP, or USB drive installed when prompted.
Configuring the server and installing an OS 23