20
Chapter 1: Introduction
LED
Description
State: Status
LEDM1
BMC Heartbeat LED
Blinking Green: BMC Normal
LED1
Rear UID (Unit Identifier) LED
Solid Blue: Unit Identified
Figure 1-8. Motherboard Block Diagram
Motherboard Block Diagram
PE1
64
G
B
/s
64
G
B
/s
PE2
#3
#2
DD
R
4 DIMM
#3
#2
DD
R
4 DIMM
#3
#2
DD
R
4 DIMM
#3
#2
DD
R
4 DIMM
PE3
SATA Gen3 [0..3]
JS2
UPI1
NVMe On Board
UPI1
OCuLink
x4
4x4
OCuLink
x4
OCuLink
x4
OCuLink
x4
SocketID 01
OCuLink
x4
4x4
CPU 2
DMI
OCuLink
x4
OCuLink
x4
OCuLink
x4
PE3
Socket ID00
CPU 1
Polarity Inversion
10.4G/11.2G T/s
U
P
I
S-SATA0~3
I-SATA0~3
I-SATA4~7
PE0
UPI2
Polarity Inversion
10.4G/11.2G T/s
DD
R
4 DIMM
#1
#2
DD
R
4 DIMM
#1
#2
DD
R
4 DIMM
#1
#2
DD
R
4 DIMM
#1
#2
DD
R
4 DIMM
#2
#1
DD
R
4 DIMM
#2
#1
DD
R
4 DIMM
DDR4
#2
#1
VGA
UART
DD
R
4 DIMM
#2
#1
64
G
B
/s
PCH
SATA Gen3 [4..7]
S
-S
A
T
A
5
S
-S
A
T
A
4
sSATA Gen3 [0..3]
JS1
JS3
sSATA Gen3 [4, 5]
DMI
USB3.0 [0,1, 3,4]
SPI
LPC/eSPI
TPM
Header
HWM
USB
SPI
MUX
LPC/eSPI
PE
PE[5]
SPI FLASH
32MB BMC
SPI FLASH
32MB BIOS
BMC LAN
RJ45
COM1
PHY
RTL8211F
VGA
NCSI
DDR4
SPI
BMC
AST2600
VCCP2
7+1 PHASE
X12DPU-6
VR13HC
VCCP2 12v
7+1 PHASE
VCCP1
VR13HC
VCCP1 12v
64
G
B
/s
64
G
B
/s
10.4G/11.2G T/s
P2H
P2E
P2C P2D
#1
#1
#2
DD
R
4 DIMM
#1
#2
DD
R
4 DIMM
#2
DD
R
4 DIMM
#2
DD
R
4 DIMM
#1
P1G
P1H
E
1
P
F
1
P
P1A
NCS
I
Port C
Port A
0~7
Port B
8~15
5bit
Port C
11~15
x8
Port B
0~7
Port B
Port A
x8 3bit
Port C
NIC
Ultra IO
Port C
0~10
Port B
8
G
B
/s
x8 (0-7)
x8
64
G
B
/s
64
G
B
/s
REAR
port 3,4
port 0,1
FRONT
64
G
B
/s
Lower
x16
Lower
Upper
Upper
WIO
x16
x16
x8
OCuLink
x8
x8 (8-15)
x4
x4
NVMe On Board
UPI3
x8
x8
UPI0
PE1
PE2
PE0
UPI2
UPI3
UPI0
P1B
P2F
P2G
P2A P2B
P1C P1D
LAN