System Board Components - Lenovo 3057 Maintenance Manual

connect the mini-SAS connector on the other end of the cable to the mini-SAS ports 0-3 on the
backplane.
2. If your server has more than four hard disk drives installed, for hard disk drive 4 to hard disk drive 7, use
another mini-SAS to mini-SAS signal cable and connect the mini-SAS connector on one end of the
cable to the SAS connector 4-7 on the system board. Then, connect the mini-SAS connector on the
other end of the cable to the mini-SAS ports 4-7 on the backplane.
Refer to the following topics for information about the connector locations and the power cable connections:
• "Hot-swap hard disk drive backplane" on page 40
• "System board components" on page 49

System board components

The following illustration shows the component locations on the system board.
Figure 38. System board components
1
Front panel connector
2
Internal USB connector 1
3
Internal USB connector 2
4
Diagnostic module connector
5
Front VGA connector
6
SATA connector 0
16
ThinkServer Management Module
17
Riser card assembly 1 slot
18
Riser card assembly 2 slot
19
Redundant power supply connector 1
20
Redundant power supply connector 2
21
Backplane power connector 1
.
Chapter 3 Product overview
49