Midplane box LFF
Midplane box SFF
Drive bay numbering: SAS expander
Drive numbering through a SAS Expander is continuous:
• SAS expander port 1 always connects to port 1 of the controller.
• SAS expander port 2 always connects to port 2 of the controller.
• SAS expander port 3 = drive numbers 1 to 4.
• SAS expander port 4 = drive numbers 5 to 8.
• SAS expander port 5 = drive numbers 9 to 12.
• SAS expander port 6 = drive numbers 13 to 16.
• SAS expander port 7 = drive numbers 17 to 20.
28
Component identification