X12STN-H - Motherboard Supermicro - Free user manual and instructions
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| Product Type | Motherboard |
| Brand | Supermicro |
| Model | X12STN-H |
| Form Factor | Micro-ATX |
| CPU Socket | LGA 1200 |
| Supported Processors | Intel Xeon E-2300 series |
| Chipset | Intel C252 |
| Memory Slots | 4 DIMM slots |
| Maximum Memory | 128GB DDR4 ECC |
| Storage Interfaces | 6x SATA3, 2x M.2 NVMe |
| Expansion Slots | 1x PCIe 4.0 x16, 1x PCIe 3.0 x4, 1x PCIe 3.0 x1 |
| Network Controllers | 2x Gigabit Ethernet (Intel I210) |
| IPMI | Integrated BMC with dedicated LAN port |
| Power Connectors | 24-pin ATX, 8-pin EPS |
| Motherboard Dimensions | 244 x 244 mm (9.6" x 9.6") |
| Weight | Approximately 1.2 kg (2.65 lbs) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Cooling Features | 4x 4-pin PWM fan headers |
| Maintenance | Keep slots clean from dust and use ESD-safe procedures. |
| Cleaning | Use compressed air or a dry cloth; avoid liquid cleaners. |
| Safety Precautions | Power off and disconnect power before any servicing; use grounded tools. |
| Spare Parts & Repairability | Repairs should be performed with approved Supermicro parts by qualified technicians. |
| General Information | Server motherboard designed for data-center and enterprise workloads. |
Frequently Asked Questions - X12STN-H Supermicro
What processor is compatible with the Supermicro X12STN-H?
The X12STN-H supports Intel Xeon E-2300 series processors (Rocket Lake-E) designed for LGA 1200 socket. Always consult the official CPU compatibility list before installation.
How much memory can the motherboard support?
The board features 4 DIMM slots and supports up to 128GB of DDR4 ECC memory when using appropriate modules. For maximum stability use ECC UDIMMs listed in the QVL.
Does the X12STN-H support ECC memory?
Yes, it supports ECC UDIMM (Error-Correcting Code) memory, which helps detect and correct data corruption, making it ideal for servers and workstation applications.
What is the form factor of the X12STN-H motherboard?
It is a Micro-ATX motherboard, measuring 244 x 244 mm. This compact size allows installation in most server cases and small tower chassis.
How can I update the BIOS or firmware?
You can update the BIOS using the BMC web interface (IPMI) or by creating a bootable USB with the Flash utility. Always download the latest version from Supermicro's official website and follow the instructions carefully.
How do I reset the CMOS to default settings?
Power off the system and unplug the power cable. Move the CMOS jumper (typically labeled JBT1) to 'Clear' position for 5-10 seconds, then restore it. Alternatively, remove the onboard CR2032 battery for a minute.
How many network ports does the X12STN-H have?
It includes two Gigabit Ethernet ports controlled by Intel I210 controllers, plus a dedicated IPMI LAN port for remote management and out-of-band monitoring.
What operating systems are supported?
The board is compatible with Windows Server, Linux distributions (such as Ubuntu and CentOS), and VMware ESXi. Drivers for each OS are available on the Supermicro support page.
How do I access the IPMI for remote management?
Connect to the dedicated IPMI LAN port, then the board obtains an IP address via DHCP by default. Use a web browser to log into the BMC web interface. The default credentials are found in the manual; be sure to change them.
What should I do if the system fails to POST?
Check all power connectors including the 24-pin ATX and 8-pin EPS, ensure the CPU and RAM are properly seated, and verify the video cable. Use the onboard diagnostic LEDs or IPMI for error code identification.
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USER MANUAL X12STN-H Supermicro
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Product information
Brand : Supermicro
Model : X12STN-H
Category : Motherboard