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Dell PowerEdge PDU Managed LED Technical Guide

Dell PowerEdge PDU Managed LED
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51 PowerEdge R420 Technical Guide
Appendix D. System board block diagram
Figure 13. R420 system board block diagram
Coin
Cell
South
Bridge
PCIE GEN 2 x1
PCIE x
1
LPC
SATA
CPU
2
CPU1
USB
2
.
0
(
2 Rear)
USB x
2
BroadCom
1GbE x 2
USB x2
USB
USB
SATA
(1)
Power Supply 1
Power Supply 2
System
Power
Conn.
DDR
3 Memory
(1066/
1333/
1600
MHz
)
QPI
QPI
DMI
PCIe x
4
USB
QPI 8
.0
GT
/
s
QPI
8.0 GT/s
D
I
M
M
1
D
I
M
M
0
1
2
Left
* PCIe
x8
Conn.(x
4)
Slot
1
PCIe Gen2
x4
2GB/s
DMI
PCIe Gen
3
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
PCI
e
USB
SPI
SD
2
MGMT
MAC
LPC
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
x16
16GB/s
PCIe x8 Conn.
for int. PERC
PCIe Gen
3
x8
8GB
/s
x8
x
16
PCIe Gen2
x
2 1GB
/s
Front
Video
x
4
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
Left* PCIe x
16 Conn
.
(
option for 2
rd CPU)
Slot 1
Right*
PCIe
x16
Conn
.
Slot
2
x16
FRU
IDRAC Port Card
Power Supply
System
Power
Conn.
BP
Power
Conn.
DVD/
TBU
Power
Conn.
Non-
RDNT PSU
Front
Panel
DVD

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Dell PowerEdge PDU Managed LED Specifications

General IconGeneral
BrandDell
ModelPowerEdge PDU Managed LED
CategoryServer
LanguageEnglish

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