ASMB-977 Dual LGA4677 4th Gen Intel
Proprietary Server Board with 16x DDR5, 5 x PCIe x16,
9 x SATA3.0, 4 x USB 3.2 (Gen 1), Dual 10GbE, and IPMI
Startup Manual
Packing List
Before you begin installing your card, please make sure that
the following items have been shipped:
• 1 x ASMB-977 startup manual
• 1 x Serial ATA HDD data cables
• 1 x Serial ATA HDD power cables
• 2 x CPU power cables (8P)
• 2 x CPU carriers
• 1 x I/O port bracket
• 1 x M.2 screw
If any of these items are missing or damaged, please
contact your distributor or sales representative immediately.
Note 1: Acrobat Reader is required to view any PDF file.
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For more information on this and other Advantech
products, please visit our website at:
http://www.advantech.com
For technical support and service, please visit our
support website at:
https://advt.ch/asmb977
Register your products on our website and get 2
months extra warranty for free at:
http://www.register.advantech.com
This manual is for the ASMB-977 series Rev. A1.
Part No. 2042097700
Printed in China
Specifications
Standard M/B Functions
• CPU: Dual LGA4677 4th Gen Intel
processors
• BIOS: AMI 256 Mbit SPI BIOS
• Chipset: Intel
• System Memory: 16x DDR5 3200/3600/4000/4400/4800
MT/s registered ECC DIMM, Max. capacity 2TB
Note 2:
• SATA Interface:
- 8 x SATA 3.0 (6 Gb/s) via Mini SAS HD (SFF-8643),
supports software RAID 0,1,5,10
- 1 x SATA 3.0 (6 Gb/s) for internal HDD or ODD
• Serial Ports: Two RS-232 ( one on rear I/O, and another
one via pin header)
• Keyboard/Mouse Header (KBMS1): Supports the stan-
dard PS/2 keyboard and mouse via PS/2 cable
• Watchdog Timer: 255 /sec or min level timer intervals
• USB Port: Supports up to 4 x USB 3.2 gen1 (2 rear and 2
onboard) and 1 x USB 2.0 ports (1*Type-A from onboard
10-pin header)
VGA Interface
• Chipset: ASPEED AST2600
• Resolution: Supports VGA up to resolution 1920 x 1200
@ 60 Hz refresh rate
Ethernet Interface
• Interface: 10/100/1000 Mbps & 10Gb (only for LAN3 &
LAN4)
• Controller: LAN1/2: Intel I210; LAN3/4: Intel
Mechanical and Environment
• Dimensions (L x W): 380 x 349.5 mm (14.96" x 13.76")
• Power Supply Voltage: +3.3 V, +5 V, ±12 V, +5 Vsb
• Power Consumption (mainboard only, excluding
IO device): Max. load: +3.3V@2.43A, +5V@1.76A,
+12V@18.12A, +5V_SB@1.54A, -12V@0.01A,
+12V_8P_0@16.29A, +12V_8P_1@13.91A
• Operating Temperature: 0 ~ 40° C (depending on CPU)
• Weight: 1.8 kg (weight of board)
1st Edition
January 2023
Xeon
®
C741 PCH
®
Due to the inherent limitations of the PC architec-
ture, the system may not fully detect 2TB RAM
when 2TB RAM is installed.
ASMB-977 Startup Manual 1
Scalable
®
Xeon
Scalable
®
®
X710-AT2
®
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