Lenovo 2592 System board components, Connecting cables from the expander card to the backplanes

Use the following instructions to connect cables from the expander card to the backplanes for 2.5-inch hard disk drives:

1.For hard disk drive 0 to hard disk drive 3, use a mini-SAS to mini-SAS signal cable and connect the mini-SAS connector 1 on one end of the cable to the connector 3 on the expander card. Then, connect the mini-SAS connector on the other end of the cable to the mini-SAS ports 0-3 on the backplane

for 2.5-inch hard disk drives in the middle cage.

2.For hard disk drive 4 to hard disk drive 7, use a mini-SAS to mini-SAS signal cable and connect the mini-SAS connector 2 on one end of the cable to the connector 4 on the expander card. Then, connect the mini-SAS connector on the other end of the cable to the mini-SAS ports 4-7 on the backplane

for 2.5-inch hard disk drives in the middle cage.

3.For hard disk drive 8 to hard disk drive 11, use a mini-SAS to mini-SAS signal cable and connect the mini-SAS connector 3 on one end of the cable to the connector 5 on the expander card. Then, connect the mini-SAS connector on the other end of the cable to the mini-SAS ports 0-3 on the backplane

for 2.5-inch hard disk drives in the right cage.

4.If your server has more than 12 hard disk drives installed, for hard disk drive 12 to hard disk drive 15, use a mini-SAS to mini-SAS signal cable and connect the mini-SAS connector 4 on one end of the cable to the connector 6 on the expander card. Then, connect the mini-SAS connector on the other end of the cable to the mini-SAS ports 4-7 on the backplane for 2.5-inch hard disk drives in the right cage.

Figure 29. Connecting cables from the expander card to the backplanes

Refer to the following topics for information about the connector locations and the power cable connections:

•“Hot-swap hard disk drive backplane” on page 35

•“Expander card” on page 34

•“System board components” on page 41

System board components

The following illustration shows the component locations on the system board.

Chapter 3. Product overview 41