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#D-0
#C-0
#B-0
#A-0
PCI-E X16 G3
LUIO
PCI-E X16 G3
JAOM
PCI-E X4 + X4 G3
2 x NVME
RJ45
10G/1G
LAN 10G/1G
RJ45
X557-AT2/88E1512
10G/1G
RGRMII
LAN3
RJ45
RTL8211E-VB-CG
DDR4
BMC
SPI
AST2500
BMC Boot Flash
SPI
BIOS
(OPTION)
* TBD
VGA CONN
Temp Sensor
EMC1402-1 *2 at diff SMBUS
Note:
Figure 1-5. Intel C621 Chipset: System Block Diagram
Note: This is a general block diagram and may not exactly represent the features on your
motherboard. See the System Specifications appendix for the actual specifications of your
motherboard.
VCCP0 12v
#F-0
VR13
#E-0
5+1 PHASE
VCCP0-(F)
SNB CORE
DDR-IV
PECI : 30
SOCKET ID : 0
#3
#2
#1A
#1B
DMI3
(LANE REVERSE)
(LANE REVERSE)
KR/KX
INTEL
PCH
X8 UPLINK NO QAT (~15W)
X8 UPLINK NO QAT (~17W)
PCI-E X1 G2
#5
USB 2.0
#12
USB2.0
ESPI
ESPI
Header
TPM HEADER
Debug Card
FRONT PANEL
ports available on the (-NT) model only.
4 x NVME (2+2)
15
VCCP1 12v
VR13
5+1 PHASE
UPI
10.4/11.2G
P0
P1
VCCP1
UPI
SNB CORE
DDR-IV
P1
P0
UPI
PECI : 31
P2
P2
SOCKET ID : 1
#1A #1B
#2
#3
DMI3
PCI-E X16 G3
PCI-E X16 G3
(LANE REVERSE)
PCI-E X8 G3
DMI3
PCI-E X4 + X4 G3
2 x NVME
#9
#8
#7
#6
#5
#4
#3
#2
#10
#1
#0
6.0 Gb/S
USB 2.0
Rear x4
Header x2
USB 3.0
SPI
BIOS
SYSTEM POWER
FAN SPEED
CTRL
Chapter 1: Introduction
#M-0
#L-0
#K-0
#J-0
#H-0
#G-0
(LANE REVERSE)
RUIO
LUIO
NA
iPass 4x3
SuperDOM x2
#13
#12
#11
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