17
Chapter 1: Introduction
Note: This is a general block diagram and may not exactly represent the features on
your motherboard. See the previous pages for the actual specications of your moth-
erboard.
Figure 1-3.
System Block Diagram
Note: ports available on the (X11DDW-NT) model only.
SPI
LAN3
RGRMII
Debug Card
FRONT PANEL
SYSTEM POWER
CTRL
FAN SPEED
PCI-E X1 G2
USB 2.0
#12
KR/KX
PCH
6.0 Gb/S
USB 2.0
USB
#1
#0
SATA
#5
#4
RTL8211E-VB-CG
#3
#2
RJ45
BIOS
(OPTION)
ESPI
SPI
Temp Sensor
EMC1402-1 *2 at diff SMBUS
TPM HEADER
USB 3.0
USB
BIOS
SPI
AST2500
BMC
#5
RMII/NCSI
VGA CONN
BMC Boot Flash
DDR4
5+1 PHASE
205W
2666/2933*
2666/2933*
DDR4
P1
P1
P0
VR13
P0
#G-0
DDR4
#D-0
#C-0
#B-0
#A-0
UPI
PCI-E X4 + X4 G3
DMI3
2 x NVME
#E-0
#F-0
UPI
10.4/11.2G
5+1 PHASE
205W
VR13
LUIO
NA
PCI-E X4 + X4 G3
PCI-E X8 G3
#H-0
#J-0
#K-0
#L-0
#M-0
#6
#7
#8
#9
VCCP1 12v
VCCP0 12v
UPI
VCCP0-(F)
#3
ESPI
Header
PCI-E X8 G3
X8 UPLINK NO QAT (~17W)
X557-AT2/88E1512
RJ45
10G/1G
RJ45
10G/1G
Rear x4
Header x2
iPass 4x3
SuperDOM x2
JAOM
PCI-E X16 G3
LUIO
PCI-E X16 G3
RUIO
P2P2
LAN 10G/1G
#10
SATA
#11
#13
#12
X8 UPLINK NO QAT (~15W)
(LANE REVERSE)
(LANE REVERSE)
2 x NVME
(LANE REVERSE)PCI-E X16 G3
(LANE REVERSE)PCI-E X16 G3
VCCP1
#2
#1B#1A
DMI3
DMI3
SOCKET ID : 0
SOCKET ID : 1
PECI : 30 PECI : 31
#1A
#1B #2 #3
USB2.0
4 x NVME (2+2)
CPU1 CPU2
up to
up to
*Note: 2933 MHz memory is supported by 2nd Gen Intel Xeon Scalable-SP (82xx/62xx series) processors only.
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