Lenovo ThinkServer RD430 - Manual (Page 55)

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 43
• “Connecting cables from the RAID card to the expander card, and then from the expander card to
the backplane(s)” on page 44
• “Connecting cables from the system board to the backplane” on page 47
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.
Chapter 3 . Product overview 43