18
Chapter 1: Introduction
Figure 1-8. Motherboard Block Diagram
Motherboard Block Diagram
LAN3 (To CMM)
RGRMII
PCIe GEN2 X1
USB 2.0
#12 USB2.0
PCH
6.0 Gb/S
USB 2.0
RTL8211FS
-VS-CG
ESPI
Temperature Sensor
TMP432 RT1/RT2/RT8
AST2600
BMC
#5
DDR4
2666/2933/320
0
DDR4
P2
P1
P0
P1
UPI
4
R
D
D
4
R
D
D
10.4/11.2G
UPI
2
U
P
C
1
U
P
C
DMI X4
SATA/NVMe
SAS (Optional)
SATA0-1
SSATA0
Mezzanine Connector
(For SAS AOC)
MEZZ2
VGA/ USBx2/ COM1
To KVM connector
JFP1
USB2_1
USB2_2
USB 3.0
USB3_4
USB2_8
USB3.0 Type A
JUSB0
CPU1-A1
2666/2933/320
0
DDR4
CPU1-B1
2666/2933/320
0
DDR4
CPU1-C1
2666/2933/320
0
DDR4
CPU1-D1
CPU1-E1CPU1-H1
2666/2933/320
0
DDR4
2666/2933/320
0
DDR4
2666/2933/320
0
DDR4
2666/2933/320
0
DDR4
2666/2933/320
0
DDR4
2666/2933/320
0
DDR4
2666/2933/320
0
DDR4
2666/2933/320
0
DDR4
2666/2933/320
0
DDR4
CPU2-D1
2666/2933/320
0
DDR4
CPU2-C1
2666/2933/320
0
DDR4
CPU2-B1
2666/2933/320
0
DDR4
CPU2-A1
CPU2-H1 CPU2-E1
#3
PORT1
PORT0
Mellanox
FLASH
T27712A0
SPI
PORT2
PORT0
10/25G
10/25G
PCIe GEN3 X8
U46
U36
MP1
#0 #1
#2
6.0 Gb/S
SATA
SATA2
PCIe GEN4 X16
Mezzanine Connector
(For NIC AOC)
MEZZ1
PCIe GEN4 X8
UPI
P0
P2
ConnectX-4 Lx En
VGA/COM1/Temperature Sensor
USB2_5
USB2_7
SPI
CPLD
(PFR)
SPI
SPI
CPLD
FLASH
Debug Card
BMC Boot Flash
SPI
TPM HEADER
BIOS
SPI
DUAL
BOOT
PCIe GEN4 X16
PCIe GEN4 X4
PCIe X8
PCIe
X
4
PCIe
X
4
M.2
UPI
#2 #1 #0
DMI3
DMI3
Socket ID: 0
DMI3
CPU1-G1
CPU1-F1
#0
#1
#2 #3
Socket ID: 1
PEIC:30
PEIC:31
CPU2-G1
CPU2-F1