Motherboard Block Diagram - Supermicro SuperServer 120U-TNR User Manual

LED Description
LEDM1 BMC Heartbeat LED
LED1 Rear UID (Unit Identifier) LED

Motherboard Block Diagram

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