Unlike standard retail motherboards that use a unified Intel front panel standard, many MS-7826 revisions use a proprietary 14-pin or 16-pin header. If you plug your standard power switch connector in the wrong spot, the PC will not turn on. The ms-7826 motherboard manual contains the exact pinout diagram for the JFP1 and JFP2 headers.
The MS-7826 is the printed circuit board (PCB) identification number for the MSI H81M-E33 motherboard. Manufactured by Micro-Star International (MSI), this board was released as a budget-friendly, entry-level solution based on the Intel H81 chipset. It is designed to support Intel’s 4th Generation Core processors (codenamed "Haswell").
Due to its compact size and feature set, this board was commonly found in office PCs, budget gaming builds, and small form factor (SFF) computer cases.
Key Specifications at a Glance:
Lost the PDF? Here is a quick troubleshooting flowchart based on the ms-7826 motherboard manual’s "Troubleshooting" chapter (usually section 4).
The MSI MS-7826 (H81M-E33) remains a competent motherboard for legacy computing needs, such as running older Windows 7 systems or serving as a home server/NAS. While it lacks modern amenities like NVMe M.2 support or USB-C connectivity, its Micro-ATX form factor and LGA 1150 socket support make it a highly serviceable platform for budget-grade Intel i5 and i7 processors from the mid-2010s. ms-7826 motherboard manual
The HP MS-7826 (codenamed "Kaili") is a microATX motherboard commonly found in performance-oriented HP Envy and Phoenix desktop series, such as the HP Phoenix 810. Known for its distinctive red and black aesthetic, this board is built on the Intel Z87 chipset, making it a robust choice for users running 4th Generation Intel Core "Haswell" processors.
While HP typically provides general service manuals for its PCs rather than standalone motherboard manuals, users can piece together the necessary technical specifications and pinouts for upgrades or repairs. Core Technical Specifications
The MS-7826 is designed for high-performance casual computing and mid-range gaming builds.
Socket & Chipset: LGA 1150 (Socket H3) with the Intel Z87 Chipset.
Processor Support: 4th and 5th Generation Intel Core i3, i5, and i7 processors. Unlike standard retail motherboards that use a unified
Memory: 4x DDR3 DIMM slots supporting up to 32GB of non-ECC unbuffered RAM. Speeds include PC3-10600 (1333MHz) and PC3-12800 (1600MHz). Form Factor: MicroATX (uATX). Expansion Slots: 1x PCI Express x16 (Gen 3.0) for dedicated graphics cards. 3x PCI Express x1 (Gen 2.0). 1x PCI Express Half-Length Mini Card slot. Port & Connector Overview
The rear I/O panel and internal headers provide comprehensive connectivity for standard desktop setups. Video Output
1x HDMI, 1x DVI-D, and sometimes 1x VGA depending on the specific revision. USB Connectivity
4x USB 3.0 ports and 2x USB 2.0 ports on the rear; internal headers for front panel USB. Audio
Realtek ALC3601 codec supporting 5.1 channel high-definition audio. Networking Integrated 10/100/1000 Base-T Ethernet (RJ-45). Storage multiple SATA 3.0 (6Gb/s) ports for SSDs and HDDs. Installation and Pinout Guide Lost the PDF
For users migrating this motherboard to a new case, understanding the proprietary or semi-standard pinouts is critical. 1. Power Supply Connections Memory Upgrade for HP MS-7826 Motherboard - MemoryStock
The MS-7826 (Kaili) is a microATX motherboard manufactured by MSI specifically for HP desktop systems, most notably the HP Envy 700 and Phoenix 810 series. Based on the Intel Z87 chipset, it is a robust 4th-generation "Haswell" platform designed for high-performance consumer computing. 1. Technical Specifications
The board features an LGA 1150 socket and supports a wide range of Intel processors with a TDP of up to 84W. Specification Chipset Intel Z87 Express Form Factor Micro-ATX (uATX): Socket LGA 1150 (Socket H3) RAM 4 Slots, DDR3-1333/1600 MHz, Non-ECC, max 32GB total Expansion 1x PCIe x16, 1x PCIe x1, 1x mSATA (mini-PCIe) Storage 5-6x SATA 3.0 (6Gb/s) ports 2. Supported Processors
The MS-7826 is officially validated for Intel Haswell (4th Gen) CPUs. While the chipset supports overclocking, HP's proprietary BIOS typically restricts these features. Intel Core i7: 4790, 4770, 4770K Intel Core i5: 4670, 4670K, 4590, 4570, 4440, 4430
Note: While some "K" series chips are compatible, the motherboard VRMs may not reliably support significant overclocking beyond factory speeds. 3. Front Panel Pinout Guide Memory Upgrade for HP MS-7826 Motherboard - MemoryStock
The MS-7826 (Kaili/Kaili2) is a MicroATX motherboard designed by MSI for HP Envy 700 and Phoenix 810 desktops, featuring an LGA 1150 socket supporting 4th/5th gen Intel processors and Z87/Z97 chipsets. Technical documentation highlights 4 DDR3 DIMM slots (up to 32GB), PCI Express 3.0, and five SATA ports, though it lacks advanced BIOS features like XMP. For more details, visit HP Support Community