Advantech ASMB-816 Series User manual

User Manual
ASMB-816 Series
LGA 4189 Intel® 3rd Gen Xeon®
Scalable ATX Server Board with
8 x DDR4, 3x PCIe x 16, 8 x SATA
3, 6 x USB 3.0, Dual 10GbE and
IPMI

ASMB-816 User Manual ii
Copyright
The documentation and the software included with this product are copyrighted 2021
by Advantech Co., Ltd. All rights are reserved. Advantech Co., Ltd. reserves the right
to make improvements in the products described in this manual at any time without
notice. No part of this manual may be reproduced, copied, translated, or transmitted
in any form or by any means without the prior written permission of Advantech Co.,
Ltd. The information provided in this manual is intended to be accurate and reliable.
However, Advantech Co., Ltd. assumes no responsibility for its use, nor for any
infringements of the rights of third parties that may result from its use.
Acknowledgments
Intel and Pentium are trademarks of Intel® Corporation.
Microsoft Windows and MS-DOS are registered trademarks of Microsoft® Corp.
All other product names or trademarks are properties of their respective owners.
Product Warranty (2 years)
Advantech warrants the original purchaser that each of its products will be free from
defects in materials and workmanship for two years from the date of purchase.
This warranty does not apply to any products that have been repaired or altered by
persons other than repair personnel authorized by Advantech, or products that have
been subject to misuse, abuse, accident, or improper installation. Advantech
assumes no liability under the terms of this warranty as a consequence of such
events.
Because of Advantech’s high quality-control standards and rigorous testing, most
customers never need to use our repair service. If an Advantech product is defective,
it will be repaired or replaced free of charge during the warranty period. For out-of-
warranty repairs, customers will be billed according to the cost of replacement mate-
rials, service time, and freight. Please consult your dealer for more details.
If you believe your product to be defective, follow the steps outlined below.
1. Collect all the information about the problem encountered. (For example, CPU
speed, Advantech products used, other hardware and software used, etc.) Note
anything abnormal and list any onscreen messages displayed when the prob-
lem occurs.
2. Call your dealer and describe the problem. Please have your manual, product,
and any helpful information readily available.
3. If your product is diagnosed as defective, obtain a return merchandise authori-
zation (RMA) number from your dealer. This allows us to process your return
more quickly.
4. Carefully pack the defective product, a completed Repair and Replacement
Order Card, and a proof of purchase date (such as a photocopy of your sales
receipt) into a shippable container. Products returned without a proof of pur-
chase date are not eligible for warranty service.
5. Write the RMA number clearly on the outside of the package and ship the pack-
age prepaid to your dealer.
Part No. 2001081600 Edition 1
August 2021

iii ASMB-816 User Manual
A Message to the Customer
Advantech Customer Services
Each and every Advantech product is built to the most exacting specifications to
ensure reliable performance in the harsh and demanding conditions typical of indus-
trial environments. Whether your new Advantech equipment is destined for the labo-
ratory or the factory floor, you can be assured that your product will provide the
reliability and ease of operation for which the name Advantech has come to be
known. Your satisfaction is our primary concern. Here is a guide to Advantech’s cus-
tomer services. To ensure you get the full benefit of our services, please follow the
instructions below carefully.
Technical Support
We want you to get the maximum performance from your products. So if you run into
technical difficulties, we are here to help. For the most frequently asked questions,
you can easily find answers in your product documentation. These answers are
normally a lot more detailed than the ones we can give over the phone.
So please consult this manual first. If you still cannot find the answer, gather all the
information or questions that apply to your problem, and with the product close at
hand, call your dealer. Our dealers are well trained and ready to give you the support
you need to get the most from your Advantech products. In fact, most problems
reported are minor and are easily solved over the phone.
In addition, free technical support is available from Advantech engineers every
business day. We are always ready to give advice on application requirements or
specific information on the installation and operation of any of our products.
Declaration of Conformity
FCC Class B
This equipment has been tested and found to comply with the limits for a Class B dig-
ital device, pursuant to part 15 of the FCC Rules. These limits are designed to pro-
vide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. However, there is no guarantee that interfer-
ence will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one
or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
Consult the dealer or an experienced radio/TV technician for assistance.

ASMB-816 User Manual iv
Initial Inspection
Before installing motherboard, please make sure that the following materials have
been shipped:
1 x ASMB-816 ATX motherboard
1 x ASMB-816 Startup Manual
2 x Serial ATA HDD data cables
1 x I/O port bracket
1 x CPU carrier
2 x CPU power cable (8P)
2 x SATA power cable
1 x Front panel convert cable
1 x Screw for M.2 device
1 x Warranty card
If any of these items are missing or damaged, contact distributor or sales representa-
tive immediately. We have carefully inspected the ASMB-816 mechanically and elec-
trically before shipment. It should be free of marks and scratches and in perfect
working order upon receipt. When unpacking the ASMB-816, check it for signs of
shipping damage. (For example, damaged box, scratches, dents, etc.) If it is dam-
aged or it fails to meet the specifications, notify our service department or local sales
representative immediately. Also notify the carrier. Retain the shipping carton and
packing material for inspection by the carrier. After inspection, we will make arrange-
ments to repair or replace the unit.
Order Information
Part Number Chipset HDD Expansion Slot IPMI 10GbE
LAN
ASMB-816-00A1 C621A 8*SATA3+
1*M.2
3 PCIe x 16 + 2 PCIe x 8 + 1 PCIe
x 4 + 1 PCIe x 1 No No
ASMB-816I-00A1 C621A 8*SATA3+
1*M.2
3 PCIe x 16 + 2 PCIe x 8 + 1 PCIe
x 4 + 1 PCIe x 1 Yes No
ASMB-816T2-00A1 C621A 8*SATA3+
1*M.2
3 PCIe x 16 + 2 PCIe x 8 + 1 PCIe
x 4 + 1 PCIe x 1 Yes Yes

v ASMB-816 User Manual
Contents
Chapter 1 Overview...............................................1
1.1 Introduction ............................................................................................... 2
1.2 Features.................................................................................................... 2
1.3 Specifications ............................................................................................ 3
Table 1.1: Specifications ............................................................. 3
1.4 Board Layout, Jumpers and Connectors................................................... 5
Figure 1.1 Board Layout .............................................................. 5
Figure 1.2 Rear I/O of Full SKU (ASMB-816T2-00A1E).............. 5
Table 1.2: Onboard LAN LED Color Definition ............................ 6
Table 1.3: Jumpers...................................................................... 6
Table 1.4: Connectors ................................................................. 7
Table 1.5: Onboard LED.............................................................. 8
1.5 Block Diagram........................................................................................... 8
Figure 1.3 Block Diagram ............................................................ 8
1.6 System Memory ........................................................................................ 8
1.7 Memory Installation ................................................................................... 9
Table 1.6: DIMM/DCPMM Configurations with single CPU......... 9
1.8 Processor Installation.............................................................................. 10
Chapter 2 Connections.......................................13
2.1 Introduction ............................................................................................. 14
2.2 USB Ports (USB12, USB3_12, USB3_34, USB3_56, USB9_10, USB11,
USB13_14).............................................................................................. 14
2.3 LAN Ports (LAN1~LAN5) ........................................................................ 15
2.4 VGA Connector (VGA1) .......................................................................... 15
2.5 Serial Ports (COM1~2)............................................................................ 16
2.6 PS2 Keyboard and Mouse Connectors (KBMS2) ................................... 16
2.7 CPU Fan Connector (CPUFAN0)............................................................ 17
2.8 System Fan Connector (SYSFAN0~4).................................................... 17
2.9 Front Panel Connector (JFP1) ................................................................ 18
2.9.1 Power LED (JFP1 Pins 14, 16) ................................................... 18
Table 2.1: ATX Power Supply LED Status ................................ 18
2.9.2 Front Panel LAN Indicator (JFP1 Pins 5~8)................................ 18
2.9.3 HDD LED Connector (JFP1 Pins 13, 15).................................... 18
2.9.4 Reset Connector (JFP1 Pins 2, 4) .............................................. 19
2.9.5 Case Open (JCASE1)................................................................. 19
2.10 SATA SGPIO (SGPIO1).......................................................................... 19
2.11 SATA and M.2 Connector (SATA0~7, M2_22110) ................................. 20
2.12 PCIe Expansion Slots ............................................................................. 21
2.13 Auxiliary Power Connector (ATXPWR1/ATX12V1/ATX12V2) ................ 22
2.14 HD Audio Interface Connector (HDAUD1) .............................................. 23
2.15 LPC Connector (LPC2) ........................................................................... 23
2.16 CMOS Clear and ME Update Connector (JCMOS1, JME1) ................... 24
2.17 PMBUS Connector (PMBUS1)................................................................ 24
2.18 Front Panel SMBUS Connector (SMBUS1) ............................................ 25
2.19 IPMI Module Connector (BMC_CN1, BMC_CN2)................................... 25
2.20 VOLT1 Connector (VOLT1) .................................................................... 26
2.21 GPIO Connector (GPIO1) ....................................................................... 26
2.22 Intel Virtual RAID (VROC1)..................................................................... 27
2.23 NVMe RAID LED Control (PEHP1)......................................................... 27

ASMB-816 User Manual vi
Chapter 3 AMI BIOS............................................ 29
3.1 Introduction ............................................................................................. 30
3.2 BIOS Setup ............................................................................................. 31
3.2.1 Main Menu .................................................................................. 31
3.2.2 Advanced BIOS Features Setup................................................. 32
3.2.3 Platform Configuration ................................................................ 52
3.2.4 Socket Configuration .................................................................. 61
3.2.5 Server Management ................................................................... 73
3.2.6 Security....................................................................................... 79
3.2.7 Boot ............................................................................................ 83
3.2.8 Save & Exit ................................................................................. 84
Chapter 4 Driver Installation.............................. 85
4.1 Before Beginning .................................................................................... 86
4.2 Introduction ............................................................................................. 86
4.2.1 Chipset........................................................................................ 86
4.2.2 Introduction ................................................................................. 86
4.2.3 LAN Configuration ...................................................................... 87
4.2.4 SATA & PCIe SSD RAID ............................................................ 87
Appendix A Programming the Watchdog Timer . 89
A.1 Watchdog Timer Overview...................................................................... 90
A.2 Programming the Watchdog Timer ......................................................... 90
Appendix B I/O Pin Assignments ......................... 93
B.1 USB2.0 Header (USB9_10, USB13_14)................................................. 94
Table B.1: USB Header (USB9_10, USB13_14) ....................... 94
B.2 USB3.0 Header (USB3_56) .................................................................... 94
Table B.2: USB Header (USB3_56) .......................................... 94
B.3 VGA Connector (VGA1).......................................................................... 95
Table B.3: VGA Connector (VGA1) ........................................... 95
B.4 RS-232 Interface (COM2) ....................................................................... 95
Table B.4: RS-232 Connector (COM2)...................................... 95
B.5 External Keyboard Connector (KBMS2) ................................................. 96
Table B.5: External Keyboard Connector (KBMS2)................... 96
B.6 System & CPU Fan Power Connector (SYSFAN0~4, CPUFAN0) ......... 96
Table B.6: CPU FAN Connector (CPUFAN0)............................ 96
Table B.7: SYS FAN Connector (SYSFAN0~4)......................... 96
B.7 SMBus Connector (SMBUS1)................................................................. 97
Table B.8: Front panel SMBus Connector (SMBUS1)............... 97
B.8 LAN Ports (LAN1~5) ............................................................................... 97
Table B.9: LAN RJ-45 Port (LAN1~2, LAN3_4, LAN5).............. 97
B.9 Audio Connector (HDAUD1) ................................................................... 98
Table B.10:Front Panel Audio Connector (HDAUD1)................. 98
B.10 Alarm Board Connector (VOLT1)............................................................ 98
Table B.11:Alarm Board Connector (VOLT1) ............................. 98
B.11 Case Open Connector (JCASE1) ........................................................... 98
Table B.12:Case Open Connector (JFP1).................................. 98
B.12 SATA SGPIO Connector (SGPIO1)....................................................... 99
Table B.13:SATA SGPIO Connector (SGPIO1) ......................... 99
B.13 LPC Connector (LPC2) ........................................................................... 99
Table B.14:LPC Connector (LPC1) ............................................ 99
B.14 Clear CMOS Connector (JCMOS1, JME1)........................................... 100

vii ASMB-816 User Manual
Table B.15:Clear CMOS Connector (JCMOS1, JME1) ............ 100
B.15 PMBUS Connector (PMBUS1).............................................................. 100
Table B.16:PMBUS Connector (PMBUS1) ............................... 100
B.16 GPIO Connector (GPIO1) ..................................................................... 100
Table B.17:GPIO Connector (GPIO1)....................................... 100

ASMB-816 User Manual viii

Chapter 1
1Overview

ASMB-816 User Manual 2
1.1 Introduction
The ASMB-816 server board is the most advanced Intel Xeon Processor scalable
family series board for server-grade IPC applications that require high-performance
computing power & multi-expansion slots. This server board supports Intel Xeon
Scalable series processor and DDR4 ECC-REG 2400/2666/2933/3200 MHz memory
up to 1024 GB.
ASMB-816 provides three PCIe x16 + two PCIe x8 (one x4 link) from CPU in Gen4,
and one PCIe x4 + one PCIe x1 from PCH in Gen3 high speed. In addition, the full
ASMB-816 SKU has dual Gigabit and dual 10GbE Ethernet LAN ports that eliminate
network bottlenecks. (ASMB-816 I & T2 SKUs only)
A fifth RJ-45 LAN connector (LAN5) is dedicated for IPMI function that allows remote
control management. One RJ-45 LAN jack (LAN 4) from 10GbE port can also be
used as IPMI LAN. High reliability and outstanding performance makes ASMB-816
the ideal platform for industrial server/networking applications.
By using the Intel C621A chipset, the ASMB-816 offers a variety of features such as
6 x USB3.0 and 7 x USB 2.0 connectivity, 8 x onboard SATA III, and 1 x M.2 (SATA
and PCIe) interface. It supports software RAID 0, 1, 10 and 5 (Windows only*), and
with the latest Intel® RSTe (Rapid Storage Technology Enterprise) it provides a com-
pelling RAID solution for NVMe SSDs via Intel VROC (Virtual RAID on CPU) HW key.
These powerful I/O capabilities ensure even more reliable data storage capabilities
and high-speed I/O peripheral connectivity.
1.2 Features
General
Intel Xeon Processor Scalable Family support: ASMB-816 is equipped with
single CPU socket to support Intel Xeon Platinum/Gold/Silver series up to 40-
core processors.
High performance I/O capability: 2 x 10GbE + 2 x GbE LAN, 3 PCIe x16 slot +
2 x PCIe x8 (1 x4 link) + 1 x PCIe x4 + 1 PCIe x1, 8 x SATA and 1 x M.2 con-
nector, 6 x USB 3.0 and 7 x USB 2.0 (incl. 1 x Type-A) ports.
Standard ATX form factor with industrial features: ASMB-816 provides
industrial features like long product life cycle, reliable operation under wide tem-
perature range, watchdog timer, etc.
IPMI 2.0 support: ASMB-816 (T2 and I SKUs) equipped with ASPEED 2500
BMC chip supports IPMI 2.0 (Intelligent Platform Management Interface 2.0) via
dedicated LAN port.
KVM over IP: KVM over IP function allows BIOS level remote control of ASMB-
816 (T2 and I SKUs) through your own computer.
Note! 1. IPMI module will be included in ASMB-816I and ASMB-816T2
SKUs. Only ASMB-816T2 SKU can support 10GbE LAN ports.
2. Please refer to Ordering Information at the front for chipset, IPMI,
and LAN support on individual product SKUs.
3. Please refer to the release note of each Linux OS for Intel's C621A
chipset SATA RAID function support.

3 ASMB-816 User Manual
Chapter 1 Overview
1.3 Specifications
Table 1.1: Specifications
Processor
CPU
Dual Intel LGA4189 Xeon processor sockets
Supports Intel 3rd Gen Xeon Scalable family, up to 40 cores
Supports the TDP of processor up to 270W
(Please consider extended air thermal solution while using CPU
> 205W TDP)
System Memory
Memory Capacity
Supports DDR4 ECC-REG memory module
Total 8 memory slots provided
Supports up to 512 GB RDIMM/1TB LRDIMM
One DIMM per channel
Memory Type Supports DDR4 2666/2933/3200 MHz RDIMM/LRDIMM modules
DIMM Sizes Each memory slot supports 8GB, 16GB, 32GB, 64GB and 128GB
(LRDIMM) memory modules
Memory Voltage 1.2 V
Error Detection Corrects single-bit errors
Detects double-bit errors (using ECC memory)
On-Board Devices
Chipsets Intel C621A PCH
Network Controllers
2 x Intel X550 10GbE and 2 x Intel I210 Gigabit Ethernet Con-
troller connected to PCH (ASMB-816 I & T2 SKUs)
Above network supports 10 GbE Base-T and 100/1000 Base-T,
with RJ-45 output
VGA ASPEED AST2500/2510 controller with 64 MB VGA memory pro-
vides basic 2D VGA function
EC ITE IT8528E chip provide motherboard keyboard mouse,
RS-232, and hardware monitor functions
BMC One Realtek 8201F Gigabit PHY connected to AST2500 for BMC
remote management (ASMB-815I & T2 SKUs)
Input/Output
Storage
Total 8 x SATA ports and 1 x M.2 (SATA/PCIe x4 compatible)
provide 6 Gb/s and 8 Gb/s bandwidth
RAID 0, 1, 5, 10 support (Windows only)
LAN
4 x RJ-45 LAN ports (2 x 10GbE + 2 x 10/100/1000 Base-T
LAN)
1 x RJ-45 Dedicated IPMI LAN port (10/100 Mbps) for IPMI
only, there is no regular LAN function (ASMB-816 I & T2 SKUs)
USB
4 x USB 3.0 ports + 2 x USB 2.0 ports at rear window
1 x USB 3.0 internal header (2 ports)
2 x USB 2.0 internal headers (4ports)
1 x internal Type-A USB 2.0 port
Graphics 1 x VGA port.
Keyboard/Mouse PS/2 keyboard and mouse internal header (onboard)
Serial Port/Header 1 x RS232 port at rear window, 1 x internal header (2 x 5P pitch:
2.50 mm)

ASMB-816 User Manual 4
Power Connector
System Power 1 x 24-pin SSI EPS 12V power connector (Input 12V, 5V, 3.3V, 5Vsb)
CPU Power 2 x 8-pin SSI EPS 12V power connector for CPU & Memory power
(12V)
PCIe slot power 1 x 4-pin 12V power connector for PCIe slot 12V input
Expansion Slots
PCI-express
3 x PCIe x16 slot
–PCIEX16_SLOT2 (Gen4 x16 link, from CPU)
–PCIEX16_SLOT4 (Gen4 x16 link, from CPU)
–PCIEX16_SLOT6 (Gen4 x16 link, from CPU)
2 x PCIe x8 slot
–PCIEX8_SLOT3 (Gen4 x4 link, from CPU)
–PCIEX8_SLOT7 (Gen4 x8 link, from CPU)
1 x PCIe x4 slot
–PCIEX4_SLOT1 (Gen4 x4 link, from PCH)
1 x PCIe x1 slot
–PCIEX1_SLOT5 (Gen4 x2 link, from PCH)
System BIOS
BIOS Type 256Mb SPI Flash EEPROM with AMI BIOS
PC Health
Monitoring
Voltage Monitors for CPU Cores, +3.3V, +5V, +12V, +5V Standby, VBAT
FAN
One 4-pin header for CPU cooler and five 4-pin headers for
system fans (front*4 + rear*1)
All fans with tachometer status monitoring
Thermal control for all fan connectors
Temperature Monitoring for CPU (PECI)
Monitoring for System (EC)
Other Features
(Case Open)
Chassis intrusion detection
Chassis intrusion header
Operating Environment/Compliance
RoHS RoHS 6/6 Pb Free Compliant
Environmental Spec.
Operating Temperature: 0 to 60° C
Non-operating Temperature: -40 to 85° C
Operating Relative Humidity: 10% to 95% (non-condensing)
Non-operating Relative Humidity: 10% to 95% (non-condens-
ing)
Table 1.1: Specifications

5 ASMB-816 User Manual
Chapter 1 Overview
1.4 Board Layout, Jumpers and Connectors
Connectors on the ASMB-816 are linked to external devices such as hard disk
drives. In addition, ASMB-816 has a number of jumpers that are used to configure
the system for specific applications.
The tables below list the functions of each jumper and connector. Later sections in
this chapter give instructions for setting jumpers. Chapter 2 gives instructions for con-
necting external devices to ASMB-816.
Figure 1.1 Board Layout
Figure 1.2 Rear I/O of Full SKU (ASMB-816T2-00A1E)
LAN 4 is shared LAN with BMC.
LAN 5 is dedicated BMC LAN.
COM1 LAN1 LAN2 LAN4 LAN5
VGA1 USB1_2 USB3_12 LAN3 USB3_34

ASMB-816 User Manual 6
Table 1.2: Onboard LAN LED Color Definition
10/100/1000 & 10G Mbps LAN Link/Activity LED Scheme
LAN3 & LAN4 (10G)
Left LED Right LED
100 Mbps Link
Active
Off
Off
Green
Blinking green
1G Mbps Link
Active
Amber
Amber
Green
Blinking green
10G Mbps Link
Active
Green
Green
Green
Blinking green
LAN1 & LAN2 (1G)
Left LED Right LED
10 Mbps Link
Active
Off
Off
Green
Blinking green
100 Mbps Link
Active
Amber
Amber
Green
Blinking green
1000 Mbps Link
Active
Green
Green
Green
Blinking green
No Link Off Off
Table 1.3: Jumpers
Label Function Default
JCMOS1 CMOS Clear 1-2
JME1 ME update 1-2
JWDT1 Watch Dog Reset 1-2
PSON1 AT(1-2)/ATX(2-3) 2-3
JCASE1 Chassis case open alarm 1-2
JTHR_SEL On board(1-2)/external thermistor(2-3) 1-2
JPRSNT1/2 PCIE slot switch: Auto (1-2)/Manual (2-3) 1-2
Keep CMOS data/Disable ME update Clear CMOS data/Enable ME update
123
123

7 ASMB-816 User Manual
Chapter 1 Overview
Table 1.4: Connectors
Label Function
ATX12V1, ATX12V2 SSI EPS 12V auxiliary power connector (for CPU) and memory
ATXPWR1 SSI EPS 24-pin main power connector (for system)
BH2 For optional battery kit
BIOS_SKT1 BIOS SPI ROM
BMC_CN1, BMC_CN2 IPMI connector (ASMB-816 I & T2 SKUs only)
COM2 Serial port: RS-232
CPU0 Intel LGA4189 CPU0 socket
CPUFAN0 CPU0 fan connector (4-pin)
DIMMA1 Channel A DIMM1
DIMMB1 Channel B DIMM1
DIMMC1 Channel C DIMM1
DIMMD1 Channel D DIMM1
DIMME1 Channel E DIMM1
DIMMF1 Channel F DIMM1
DIMMG1 Channel G DIMM1
DIMMH1 Channel H DIMM1
EX_THR1 Connector for external thermistor
GPIO1 GPIO function for customize usage
HDAUD1 Audio header
JFP1 Front panel pin header
KBMS2 For additional keyboard/mouse
LAN1~LAN5 RJ-45 LAN connector
LPC2 LPC port for debug & TPM module
M2_22110 M.2 connector (SATA & PCIe x4)
PEHP1 NVMe RAID LED control
PMBUS1 PMBUS connector to communicate with power supply
SATA0~SATA7 Serial ATA0~7
SGPIO1 Supports Serial_Link interface for onboard SATA connections
PCIEX4_SLOT1 PCIE x4 slot (x4 link) (PCH)
PCIEX16_SLOT2 PCIE x16 slot (x16 link) (CPU)
PCIEX4_SLOT3 PCIE x8 slot (x4 link) (CPU)
PCIEX16_SLOT4 PCIE x16 slot (x16 link) (CPU)
PCIEX1_SLOT5 PCIE x1 slot (x1 link) (PCH)
PCIEX16_SLOT6 PCIE x16 slot (x16 link) (CPU)
PCIEX8_SLOT7 PCIE x8 slot (x8 link) (CPU)
SLOT12V1 For PCIe slot 12V input only
SMBUS1 SMBus header (SMBus from either BMC or PCH)
SPI_CN1 Connector for BIOS update tool
SPI_SKT1 EC EEPROM
SYSFAN0~SYSFAN4 System FAN connector (4-pin)
USB3_12, USB3_34, USB3_56 USB 3.0 port 1, 2, 3, 4; USB 3.0 port 5, 6 (20-pin header)
USB1_2, USB9_10, USB13_14 USB 2.0 port 1, 2; USB 2.0 port 9, 10, 13, 14 (9-pin header)
USB11 USB 2.0 port 11 (Type-A)
VGA1_COM1 VGA+COM connector
VOLT1 Voltage display
VROC1 Intel Virtual RAID (VROC) key

ASMB-816 User Manual 8
1.5 Block Diagram
Figure 1.3 Block Diagram
1.6 System Memory
ASMB-816 has eight 288-pin memory slots for DDR4 2400/2666/2933/3200 MHz
memory modules with maximum capacity of 1024 GB (Maximum 64 GB for each
DIMM or 128GB LRDIMM). ASMB-816 supports registered DIMMs memory module.
Table 1.5: Onboard LED
LED Description LED Definition
5V_LED1 Power on LED Off:
Power off
On (Green):
System is On
5VSB_LED1 Standby LED Off:
No input AC Power
On (Green):
System is ON, in sleep
mode, or in soft-off mode
LED3 BMC heartbeat LED
(ASMB-816 T2 and I SKUs) Blinking (Green): Controller is working normally
Note! Some 128GB LRDIMM modules can be supported. Please contact
Advantech service window when you require higher memory capacity.

9 ASMB-816 User Manual
Chapter 1 Overview
1.7 Memory Installation
Memory performance is affected by different DIMM configurations. To reach optimal
memory interleaving, be sure to install identical DIMM types with the same size,
speed, and number of ranks on those memory slots corresponding to the correct pro-
cessor.
The following table indicates recommended DIMM configurations with a single pro-
cessor, based on the guideline, you may adjust your memory configuration according
to your PCIe expansion card configuration.
The 3rd Gen Xeon Scalable (Silver-4xxx, Gold-5xxx/6xxx, Platinum-8xxx) processors
support Optane DC persistent memory module (DCPMM).
The DCPMM support configuration is on slot D or H while using 6 DDR4 on other
DIMM slot, and only one DCPMM can be used at a time.
Table 1.6: DIMM/DCPMM Configurations with single CPU
Channel DIMMA1 DIMMB1 DIMMC1 DIMMD1 DIMME1 DIMMF1 DIMMG1 DIMMH1
Quantity
of
memory/
DCPMM
installed
1
V
V
V
V
V
V
V
V
2
V V
V V
V V
V V
V V
V V
V V
V V
V V
4
V V V V
V V V V
V V V V
V V V V
6
VVV VVV
V V V V V V
V V V V V V
V V V V V V
7V V V DCPMM* V V V
V V V V V V DCPMM*
8 V V V V V V V V
Note! DCPMM can be supported on slot D or H, one DCPMM at a time is
allowed.

ASMB-816 User Manual 10
1.8 Processor Installation
The ASMB-816 is designed for the Intel Xeon processor family.
1. Remove the dust cover.
2. Install CPU on CPU carrier and align the pin 1 mark.
Note! 3, 5 and 7 DIMMs are not recommended DIMM population.

11 ASMB-816 User Manual
Chapter 1 Overview
3. Install the CPU clip assembly on the heatsink as a processor + heatsink module.
4. Place the processor heatsink module into the motherboard bolster plate by
using a T-30 screwdriver.

ASMB-816 User Manual 12