Lenovo 6531 Computer Hardware User Manual


 
Rear view
1
Power-cord connector
9
NMI button
2
Serial connector
10
USB 3-4 connector
3
Ethernet 1 activity LED
11
USB 1-2 connector
4
Ethernet 1 link LED
12
Video connector
5
Ethernet 2 activity LED
13
Power supply error LED (amber)
6
Ethernet 2 link LED
14
DC power LED (green)
7
PCI slot 1
15
AC power LED (green)
8
PCI slot 2
System-board internal connectors
The following illustration shows the internal connectors on the system board.
Microprocessor
Heatsink
Orientation
DIMMs
DIMMs
1
DIMM 1
11
Fan 1 connector
21
Riser-card connector 2
2
DIMM 2
12
Hard disk backplane conguration
connector
22
Riser-card connector 1
108 Hardware Maintenance Manual