13
Chapter 1: Introduction
Figure 1-4. 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.
Chipset Block Diagram
eSPI
CPU
U1
SoC
PE1[15:8]
DDR4 DIM
M
B1
PE1[7:0]
DDR4 DIM
M
A1
DDR4 1866/2133/2400/2666
B
A
DDR4 DIM
M
DDR4 DIM
M
D1
E1
D
E
KR
USB 3.0/2.0
PCH
DDR4 1866/2133/2400/2666
X557-AT2
JLAN1
10G PHY
Flexible I/O
6,7
USB 3.0 Rear I/O x2
JPCIE2 SLOT7 PCIE 3.0 x8
PCIE 3.0 x8
Flexible I/O
15~12
Flexible I/O
10
DDR 4
BMC
AST2500
PHY
RTL8211F VGA CONN
IPMI LAN
SPI
FLASH
PCIE 3.0 x1
10G LAN
VGA
USB3.0
IPMI LAN
+
USB 2.0 Header
SATA3.0#0
SATA3.0#1
SATA3.0#2
SATA3.0#3
USB 2.0
USB 2.0 Header
USB2.0 HUB
GL852G
SATA3.0
FLASH
TPM
SPI
Flexible I/O
21~18
PCIE3.0 or SATA3.0 x4
OCuLink
REAR IO