Dell PowerEdge R520 - Appendix D. System Board Block Diagram; Figure 13. R520 System Board Block Diagram

51 PowerEdge R520 Technical Guide
Appendix D. System board block diagram
Figure 13. R520 system board block diagram
Coin
Cell
South
Bridge
PCI
E GEN
2
x
1
PCIE x1
LPC
SATA
CPU2
CPU1
USB 2.0
(2 Rear)
USB x2
BroadCom
1GbE x 2
USB x2
USB
USB
SATA (1)
Power Supply 1
Power Supply 2
System
Power
Conn.
DDR3 Memory
(1066/1333/1600 MHz)
QPI
QPI
DMI
PCIe x4
USB
QPI 8.0 GT/s
QPI 8.0 GT/s
D
I
M
M
1
D
I
M
M
0
1 2
PCIe Gen2 x4 2GB/s
DMI
PCIe Gen3 x16 16GB/s
x16
SATA
SATA
in mini-
SAS(4)
USB 2.0
IDSDM
USB 2.0
(2 Front)
Vflash
SD Conn.
Int. USB
2.0
iDRAC
Video
LPC
PCIe
USB
SPI
SD2
MGMT
MAC
LPC
Front
Panel
TPM
RJ45
(w/
PHY)
BP
Power
Conn.
DVD/
TBU
Power
Conn.
UART
Rear Video
Serial Port
RJ45
D
I
M
M
1
D
I
M
M
0
D
I
M
M
1
D
I
M
M
0
USB x1 USB x1
x4 DMI 2GB/s
PCIe Gen3 x8 8GB/s
x8
PCIe Gen3 x8 8GB/s
PCIe x8 Conn.
for int. PERC
PCIe Gen3 x8 8GB/s
x8
x16
PCIe Gen2 x2 1GB/s
DVD
x4
D
I
M
M
1
D
I
M
M
0
D
I
M
M
1
D
I
M
M
0
D
I
M
M
1
D
I
M
M
0
PDB+PIB for RDNT PSU
Right* PCIe x8 Conn.
Slot 4
Left* PCIe x16 Conn.
Slot 1
Right* PCIe
x16 Conn.
Slot 3
x8
FRU
iDRAC Port Card
Power Supply
System
Power
Conn.
BP
Power
Conn.
DVD/
TBU
Power
Conn.
Non-RDNT PSU
Left* PCIe
x8 Conn.(x4)
Slot1
Front Video
Right* PCIe
x16 Conn.
Slot 2
PCIe Gen3 x8 8GB/s
x8