Specifications
Functional Architecture Intel® Server Board S3420GPRX TPS
Revision 1.1
Intel order number E92065-001
14
3. Functional Architecture
The architecture and design of the Intel
®
Server Board S3420GPRX is based on the Intel
®
3420
Chipset. The chipset is designed for systems based on the Intel
®
Xeon
®
processor in the FC-
LGA 1156 socket package. The chipset contains two main components:
Intel
®
3420 Chipset
PCI Express* switch 89HI0524G2PS
This chapter provides a high-level description of the functionality associated with each chipset
component and the architectural blocks that make up the server board.
612
FLASHFLASH
LPC
SERIAL 1
SATA-II x 6
PCI32
ATX - 12" x 9.6"
PORT 80
RMII
VIDEO
S3420GPRX Block Diagram
SATA
FLASHFLASH
BMC Boot
Flash
SPI
Intel
®
3420
PCH
Zoar
IBMC
Intel
®
82574L
NIC
Ch A Ch B
D
D
R
3
(
C
h
B
)
PCIe Gen2 x8
XDP0
PCIe Gen2 x8
x4 DMI Gen1
ICH
9/
ICH1
0
G2PS
x4
x1
P
C
I
e
G
e
n
2
x
4
_
P
O
R
T
2
SPI
USB
P
C
I
e
G
e
n
2
x
4
_
P
O
R
T
3
Slot 6
PCIe Gen1
N/C
TPM
optional
on-board
4 unbuffered
or
6 registered
DIMMs
GbE
Intel
®
Xeon
®
3400
USB
1.1
USB
2.0
D
D
R
3
(
C
h
A
)
x1
PCIe Gen1
x1
FLASH
DDR2
(x16 connector)
SERIAL 2
RMM3_LITE
SPI_B
FP_headers
2
User Bay
headers
1
2
2
USB
Z-U130
1
USB
Floppy
Header
P
C
I
e
G
e
n
2
x
4
_
P
O
R
T
5
PCIe Gen2 x4_PORT4
Expansion Module Slot
Intel
®
82576
NIC
Intel
®
82576
NIC
GbE
GbE
GbE
GbE
NIC1
NIC2
NIC3
NIC4
N/C
COM
SAS Module Slot
PCIe Gen1
PCIe Gen1
Figure 10. Intel
®
Server Board S3420GPRX Functional Block Diagram
3.1 Processor Sub-System
The Intel
®
Server Board S3420GPRX supports the following processor:
Intel
®
Xeon
®
3400 Processor series
Intel
®
i3
®
Processor series