Supermicro H11SSL-I User Manual

Chapter 3: Troubleshooting
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Question: How do I update my BIOS?
Answer: It is recommended that you do not upgrade your BIOS if you are not experiencing
any problems with your system. Updated BIOS les are located on our website at http://www.
supermicro.com. Please check our BIOS warning message and the information on how to
update your BIOS on our website. Select your motherboard model and download the BIOS
le to your computer. Also, check the current BIOS revision to make sure that it is newer
than your BIOS before downloading. You can choose from the zip le and the .exe le. If
you choose the zip BIOS le, please unzip the BIOS le onto a bootable USB device. Run
the batch le using the format FLASH.BAT lename.rom from your bootable USB device to
ash the BIOS. Then, your system will automatically reboot.
Question: Why can't I turn o󰀨 the power using the momentary power on/o󰀨 switch?
Answer: The instant power o󰀨 function is controlled in BIOS by the Power Button Mode
setting. When the On/O󰀨 feature is enabled, the motherboard will have instant o󰀨 capabilities
as long as the BIOS has control of the system. When the Standby or Suspend feature is
enabled or when the BIOS is not in control such as during memory count (the rst screen
that appears when the system is turned on), the momentary on/o󰀨 switch must be held for
more than four seconds to shutdown the system. This feature is required to implement the
ACPI features on the motherboard.
Question: For the AMD EPYC platform, we found that the Windows Server 2012/2016
OS would not install properly. It however works ne with Linux OS, any suggestions?
Answer: This issue is due to Windows server OS' compatibility with the virtualization function,
we suggest to disable IOMMU (Input/Output Memory Management Unit) before installing the
Windows Server OS. After installing the OS and hot x update is nished, then you could
enable the IOMMU in BIOS.
BIOS >> Advanced >> NB Conguration >> IOMMU >> Change from Auto to Disabled.
Microsoft KB: 4022723

Supermicro H11SSL-I Specifications

General

ECC	Yes
Memory voltage	1.2 V
Memory channels	Octa-channel
Memory slots type	-
Supported memory types	DDR4-SDRAM
Maximum internal memory	1024 GB
Supported memory clock speeds	2666 MHz
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
Number of DIMM slots	8
PCI Express x8 (Gen 3.x) slots	3
Supported DIMM module capacities	8GB, 16GB, 32GB, 64GB, 128MB
BIOS type	AMI
ACPI version	5.1
BIOS memory size	128 Mbit
Wi-Fi	No
LAN controller	Intel I210, Realtek RTL8211E
Ethernet interface type	Gigabit Ethernet
On-board graphics card model	Aspeed AST2500
Bundled software	Super Doctor 5 Watch Dog NMI SUM IPMI 2.0, KVM w/ dedicated LAN
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	10 - 35 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	8 - 90 %
Component for	Server
Motherboard form factor	ATX
Number of SATA III connectors	12
Trusted Platform Module (TPM) version	1.2
Processor socket	Socket SP3
Processor manufacturer	AMD
Compatible processor series	AMD EPYC
Supported storage drive interfaces	SATA III
Harmonized System (HS) code	84733020

Weight and Dimensions

Depth	244 mm
Width	305 mm