The IB250MH is a specialized motherboard manufactured for Lenovo desktop systems, primarily found in models like the Lenovo V520 and V520S [16]. Because it is an OEM (Original Equipment Manufacturer) component, its "manual" is typically part of the broader Hardware Maintenance Manual (HMM) for the specific desktop model it powers, rather than a standalone retail manual [3, 11]. Technical Context & Design
Rear I/O Ports: DisplayPort, HDMI, VGA, USB 3.0, USB 2.0, RJ-45 Ethernet, and Serial (RS-232). CPU and Memory Compatibility
Download:
| Pin | Signal | Pin | Signal | | :--- | :--- | :--- | :--- | | 1 | HD_LED+ | 2 | PWR_LED+ | | 3 | HD_LED- | 4 | PWR_LED- | | 5 | RESET_SW | 6 | POWER_SW | | 7 | RESET_RET | 8 | POWER_RET | | 9 | NC (Reserved) | 10 | Key (No pin) |
The motherboard is a specialized Micro-ATX board primarily manufactured by Lite-On Technology Corp. for Lenovo desktop systems, such as the ThinkCentre V520 and V520S. It is also frequently found in pre-built gaming desktops from iBUYPOWER. Key Technical Specifications ib250mh motherboard manual
uses the LGA 1151 socket, making it compatible with 6th and 7th generation Intel processors. Specification Chipset Intel B250 Socket LGA 1151 (Socket H4) Memory DDR4 SDRAM (2 or 4 DIMM slots, model dependent) Max RAM Up to 64GB (varies by specific FRU version) Storage 3-4x SATA 6.0 Gb/s ports, M.2 NVMe slot (often included) Form Factor Proprietary Lenovo (closest to Micro-ATX or Mini-ITX) Processor Compatibility
According to standard Lenovo maintenance documentation for this series: Front Panel Connectors : Located at the bottom right corner of the board. RAM Installation The IB250MH is a specialized motherboard manufactured for
desktop series. Because it is a proprietary Lenovo part, a standalone "motherboard-only" manual is not typically published; instead, its layout and technical specifications are documented within the official Lenovo Hardware Maintenance Manuals (HMM) for those specific PC models. Manuals & Documentation
Expansion & I/O: Includes PCIe x16 and PCIe x1 slots, along with standard integrated features like M.2 slots for NVMe SSDs or Wi-Fi cards. CPU and Memory Compatibility Download: | Pin |
Help support the project by making a contribution at OpenCollective.
These organizations support Owncast via non-monetary support and services.