Dell R720 Specifications Page 65

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65 PowerEdge R720 and R720xd Technical Guide
Figure 20. R720xd system board block diagram
CPU2
CPU1
Internal
PERC
South
Bridge
Rear Video
SATA
iDRAC
USB
x8
x8 x8
(
Port
3
A
, 3
B
)
(Port 2C, 2D)
QPI1
DMI 2GB/s
Port 0(DMI)
QPI0
PCIe
(
Port
3
C
,
3D
)
Storage
Connector
To Front
Panel
2x30
TPM
(
Port
1
A
, 1B
)
QPI0
DDR3 DDR3 DDR3 DDR3
DIMM1 DIMM1 DIMM1 DIMM1
DIMM2 DIMM2 DIMM2 DIMM2
DIMM3 DIMM3 DIMM3 DIMM3
QPI1
DDR3 DDR3 DDR3 DDR3
DIMM1 DIMM1 DIMM1 DIMM1
DIMM2 DIMM2 DIMM2 DIMM2
DIMM3 DIMM3 DIMM3 DIMM3
QPI 1.1
QPI 1.1
Storage
Connector
PCIe Gen3 x8
Front Video
Video
UART
USB
USB
LPC
Serial Port
Rear
External
SD
MGMT
MAC
RJ45
TPM
SPI
System Power
Connectors
x8
PCIe Gen3 x8
PCIe Gen3 x8
PCIe Gen3 x8
x8
x8
x8
x8
x8
PCIe Gen3 x8
PCIe Gen3 x8
PCIe Gen3 x8
Center Riser
PCIe x16
Connector
(Slot 4)
Power
Supply 2
(495W /750W/
1100W )
CH0
CH1 CH2
CH3
CH0
CH2
CH3
CH1
BP Power
Conns. 4X
PCIe
LPC
LPC
Right Riser
(Slot 1)
(
Port
1
A
, 1
B
)
(
Port
2A
, 2
B
)
(
Port
2C
, 2
D
)
(
Port
3A
, 3B
)
(
Port
3
C
,
3
D
)
SD
PCIe Gen3 x8
PCIe Gen3 x8
GPGPU
Power
Conn.
PCIe x1 port 3
+ port 4
Coin
Cell
MAC
DELL Select
Network
Adapter
USB2.0
Key
USB2.0
IDSDM
One Front
USB2.0
Ports
Two Rear
USB2.0
Ports
LPC
PCIe
SAS x8
Right Riser
(Slot 2) &
(Slot 3)
X16 Left Riser
(Slot 6)
DELL Select
Network
Adapter Slot
(
Port
2
A
, 2
B
)
x8
Center Riser
(Slot 5)
BP Signal
Conns. 4X
PCIe Gen
2
x
2
SAS A/B (To
Backplane)
PCIe Gen3 x8
MiniSAS
Conn
Power
Supply 1
(495W /750W/
1100W )
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