Lenovo 3057 Maintenance Manual page 55

The following illustrations show the connectors on the backplane for server models with eight 3.5-inch hard
disk drive bays.
Figure 29. Front view of the backplane for server models with eight 3.5-inch hard disk drive bays
1
Slot 0 for a 3.5-inch hard disk drive
2
Slot 2 for a 3.5-inch hard disk drive
3
Slot 4 for a 3.5-inch hard disk drive
4
Slot 6 for a 3.5-inch hard disk drive
Figure 30. Rear view of the backplane for server models with eight 3.5-inch hard disk drive bays
1
8-pin power connector
2
8-pin power connector
3
Optical drive power connector
1 2 8-pin power connector
Used to connect a power cable to provide power to the backplane.
3 Optical drive power connector
Used to connect the power cable for the slim optical drive if the server has one installed.
4 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.
5
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.
5
Slot 7 for a 3.5-inch hard disk drive
6
Slot 5 for a 3.5-inch hard disk drive
7
Slot 3 for a 3.5-inch hard disk drive
8
Slot 1 for a 3.5-inch hard disk drive
4
Mini-SAS ports 4-7
5
Mini-SAS ports 0-3
.
Chapter 3 Product overview
41