B250H4-M8 M8S - Motherboard ECS - Free user manual and instructions
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| Product Type | Motherboard |
| Brand | ECS |
| Model | B250H4-M8 M8S |
| Form Factor | Micro-ATX |
| Dimensions | 244 mm x 244 mm |
| Weight | 0.8 kg |
| Chipset | Intel B250 |
| CPU Socket | LGA1151 |
| Supported CPUs | Intel Core 6th/7th Gen (Skylake/Kaby Lake) |
| Memory Slots | 2 x DDR4 DIMM |
| Maximum Memory | 32 GB |
| Memory Type | DDR4 2133/2400 MHz |
| Expansion Slots | 1 x PCIe 3.0 x16, 2 x PCIe 2.0 x1 |
| Storage Interfaces | 4 x SATA 3.0, 1 x M.2 (SATA/PCIe) |
| USB Ports | 4 x USB 3.1 Gen1, 2 x USB 2.0 (rear), internal headers for additional |
| Video Outputs | 1 x HDMI 1.4b, 1 x DVI-D, 1 x VGA |
| Audio | Realtek ALC887, 7.1-channel HD Audio |
| LAN | Realtek RTL8111H Gigabit Ethernet |
| Power Connector | 24-pin ATX, 8-pin +12V |
| BIOS | AMI UEFI BIOS, 64 Mb Flash ROM |
| Maintenance & Cleaning | Use compressed air to remove dust; avoid liquid cleaners. |
| Safety | Disconnect power before installation; handle with anti-static precautions. |
| Spare Parts & Repairability | Replacement capacitors, CMOS battery, and IO shield available. |
| General Information | Compatible with Windows 10/11, supports Dual Channel memory. |
Frequently Asked Questions - B250H4-M8 M8S ECS
What CPU socket does the ECS B250H4-M8 M8S use?
The motherboard uses an LGA1151 socket compatible with Intel 6th and 7th generation Core processors (Skylake/Kaby Lake).
What type of RAM is supported?
It supports DDR4 RAM at 2133/2400 MHz, with two slots for a maximum of 32 GB in dual-channel configuration.
Does the motherboard have M.2 support?
Yes, it has one M.2 slot that supports both SATA and PCIe 3.0 x4 SSDs.
How do I update the BIOS?
Download the latest BIOS from the ECS support website, copy it to a FAT32 USB drive, boot into UEFI BIOS and use the EZ Flash utility.
What are the video outputs available?
It includes HDMI 1.4b, DVI-D, and VGA ports for connecting monitors.
Can I use a 9th generation Intel CPU?
No, the LGA1151 socket on B250 chipset only supports 6th and 7th gen CPUs. 8th/9th gen require a 300-series chipset.
How many SATA ports does it have?
It has 4 SATA 3.0 ports for connecting hard drives or SSDs.
What power supply is needed?
A standard ATX power supply with a 24-pin main connector and an 8-pin CPU power connector is required.
Does it support Windows 11?
It can run Windows 11 if paired with a compatible CPU and TPM 2.0 enabled. Note that the B250 chipset does not have a built-in TPM, but a TPM module can be added via header.
How do I clean the motherboard?
Use compressed air to blow away dust. Avoid touching components with wet cloths or solvents. Ensure it's fully dry before powering on.
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