Lenovo System x3630 M4 Installation And Service Manual page 44

The illustrations might differ slightly from your hardware.
System-board internal connectors
The following illustration shows the internal connectors on the system board.
PCI riser card
connector 1
USB hypervisor
connector
Front video
connector
Backplane
configuration
connector
DIMM
connectors 1-6
Microprocessor 1
Operator
information panel
connector 1
Fan connector 1A
Operator Reserved
information panel
connector 2
Fan
connector 2A
System-board DIMM connectors
The following illustration shows the DIMM connectors on the system board.
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Lenovo System x3630 M4 Installation and Service Guide
PCI riser card
Battery
connector 2
Reserved Reserved
Fan
connector 3A
Microprocessor 1
power connector
SAS/SATA signal
cable connector 1
SAS/SATA signal
cable connector 0
Power-supply
connector
DIMM connectors 7-12
Front USB connector
Fan connector 5
(reserved for rear HDD)
Fan connector 4
(reserved for rear HDD)
Microprocessor 2
Power-supply
signal connector
Optical drive
connector
(optional)
Microprocessor 2
power connector