2-2
BPN-SAS3-F418-B6N4 Backplane
User's Guide
#1. - 2. Backplane Main Power Connectors
The 4-pin connectors, designated JPW0
and JPW1, provide power to the back-
plane. See the tables on the right for pin
definitions.
2-2 Front Connector Pin Definitions
#5. - 8. NVMe Connectors
The NVMe ports are used to connect the
NVMe drive cables. OCuLink cables should
be used to connect these ports to the corre-
sponding ports on motherboard X11DPFR-
SN. The motherboard should have its ports
JNVME1, JNVME2, JNVME3, and JNVME4
connected to the backplane's ports CN2,
CN3, CN4, and CN5, respectively.
Backplane
Main Power
4-Pin Connector JPW1
Pin# Definition
1 and 2
Ground
3
+5V
4
+12V
#3. - 4. SAS Mini HD Connectors
The SAS ports are used to connect the
SAS3 drive cables. The 2 ports are desig-
nated JSM0, for drives at SAS #0-#3, and
JSM1, for drives at SAS #4-#5 (see section
2-4 for SAS drive locations). Each port is
also compatible with SATA drives. However,
mixing SAS3 and SATA drives in the same
enclosure is not recommended.
#9. CPLD Chip
The CPLD is an enclosure management
chip that supports the SGPIO and LED
management.
Backplane
Main Power
4-Pin Connector JPW0
Pin# Definition
1 and 2
Ground
3
+5V
4
+12V
#10. CPLD Upgrade Port
The JTAG connector, designated JP16, is
used only by the manufacturer to upgrade
the CPLD.
