Lenovo ThinkServer TD200x Hardware Maintenance Manual page 176

The following illustration shows the internal SAS/SATA cable routing and connectors
from the ServeRAID MR10i or ServeRAID MR10is controllers to eight 2.5-inch hard
disk drives. The right port on the ServeRAID MR10i or ServeRAID MR10is
controller is connected to the backplane for drives 4-7 and the left port on the
controller is connected to the backplane for drives 0-3.
The following illustration shows the cable connectors on the ServeRAID-MR10i
controller.
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ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual
1
Cable for drives 4 - 7
2
Cable connector for drives 4 - 7
3
Cable for drives 0 - 3
4
Cable connector for drives 0 - 3
1
ServeRAID-MR10i controller
2
Cable connector for drives 4 - 7
3
Cable connector for drives 0 -3
4
Battery