Lenovo RD430 - Manual (Page 54)

Figure 33. Rear view of the backplane for server models with 2.5-inch hard disk drive bays
1 8-pin power connector 3 Mini-SAS ports 0-3
2 Mini-SAS ports 4-7 4 Optical drive power connector
1 8-pin power connector
Used to connect a power cable to provide power to the backplane.
2 Mini-SAS ports 4-7
Used to connect the mini-SAS connector on one end of a mini-SAS to mini-SAS signal cable to support
the hard disk drive 4 to hard disk drive 7; or to support the hard disk drive 12 to hard disk drive 15 if the
backplane is for hard disk drives in the right cage of the server.
3 Mini-SAS ports 0-3
Used to connect the mini-SAS connector on one end of a mini-SAS to mini-SAS signal cable to support the
hard disk drive 0 to hard disk drive 3; or to support the hard disk drive 8 to hard disk drive 11 if the backplane
is for hard disk drives in the right cage of the server.
4 Optical drive power connector
Used to connect the power cable for the slim optical drive if the server has one installed.
Mini-SAS to mini-SAS signal cable connections
This topic provides instructions on how to connect the mini-SAS to mini-SAS signal cables. This topic
contains the following items:
• “Connecting cables from the RAID card to the backplane” on page 42
• “Connecting cables from the RAID card to the expander card, and then from the expander card to
the backplane(s)” on page 43
• “Connecting cables from the system board to the backplane” on page 46
Connecting cables from the RAID card to the backplane
If your server has a supported RAID card installed, you can connect cables from the RAID card to the
backplane to support up to eight hard disk drives and advanced hardware RAID functions.
42 ThinkServer RD430 User Guide