The MS-7826 utilizes MSI’s "Click BIOS 4." This is a UEFI (Unified Extensible Firmware Interface) environment featuring a graphical interface navigable via mouse and keyboard.
The BIOS on the MS-7826 is a standard Aptio AMI UEFI BIOS, but the OEMs have hidden advanced tabs. The ms-7826 motherboard manual reveals how to unlock them.
For optimal performance, the following drivers are typically required post-installation:
Go to HP's Customer Support website → Enter your HP product number (not just the board model). The MS-7826 is used in many different HP systems, and the exact manual varies by PC model.
How to find your HP product number:
Then search HP's support site with that model number → download the User Manual (includes motherboard layout, jumper settings, BIOS, etc.).
Since HP used this board extensively, search for "HP Compaq Elite 8300 Maintenance and Service Guide." The motherboard documentation is usually an appendix in that 150-page PDF.
The physical manual for the MS-7826 is technically titled the "H81M-E33 User Guide."
6. BIOS Setup
Enter the BIOS setup by pressing the designated key (usually Del, F2, or Esc) during boot-up. Configure settings as needed:
7. Troubleshooting
Common issues and their solutions:
This guide provides a general overview of the MS-7826 motherboard. For detailed specifications, features, and settings, refer to the official MSI motherboard manual.
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
The MS-7826, also known by its HP codename Kaili, is a micro-ATX (uATX) motherboard manufactured by MSI for HP desktop systems like the Envy 700 and Envy Phoenix 810. While HP does not publish a standalone "owner's manual," the critical technical details for upgrades and repairs are summarized below. Core Specifications
Form Factor: uATX: 24.4 cm (9.6 inches) x 24.4 cm (9.6 inches). Chipset: Intel Z87.
CPU Socket: LGA 1150, supporting 4th and 5th generation Intel Core i3, i5, and i7 processors (TDP up to 84W). ms-7826 motherboard manual
Memory: 4 DDR3 DIMM slots supporting up to 32GB of non-ECC memory (1333MHz or 1600MHz). Expansion Slots: 1 PCI Express x16 (Gen 3.0). 3 PCI Express x1 (Gen 2.0). 1 half-length mini card slot (typically for Wi-Fi). Key Connectors & Layout
Front Panel Header: Located at the bottom right, this 9-pin header is used for the power switch and status LEDs.
Pins: Usually includes connections for Power SW, Reset SW (if applicable), Power LED, and HDD LED.
Polarity: LEDs are polarity-sensitive; if they don't light up, reverse the connector on the pins.
Power Supply: Uses a standard 24-pin ATX power connector and a 4-pin ATX 12V CPU power connector.
Storage: Features multiple SATA ports and may include an mSATA interface depending on the specific version (Kaili vs. Kaili2). Upgrade Considerations
BIOS Limitations: The HP BIOS is often locked, meaning it lacks overclocking or advanced memory timing (XMP) options found on retail MSI boards.
Case Swapping: If moving this board to a new case, ensure the new case supports standard uATX mounting. Some HP front-panel cables (like USB 3.0) may use proprietary pin-outs, potentially requiring adapters for third-party cases.
For more specific visual guides, users often refer to the HP Support Community for community-shared diagrams of the front panel pinouts.
The MS-7826 (HP Kaili) is an OEM Micro-ATX motherboard supporting LGA 1150 4th Gen Intel processors, featuring Intel Z87/Z97 chipsets, 4 DDR3 DIMM slots, and standard PCIe expansion. As an HP-specific board, technical details like the 9-pin front panel header layout are found in HP maintenance guides rather than a single retail manual. For detailed teardown instructions, access the HP ENVY 700 Maintenance Guide HP Support Community
Front panel connector pinout - HP Support Community - 5540808 13 Mar 2016 —
The MS-7826 motherboard , also known as the (Ver. 1.0) or (Ver. 2.0), is a custom micro-ATX (uATX) motherboard manufactured by MSI for use in high-end HP desktop systems like the HP ENVY Phoenix 810 and HP ENVY 700 series. Technical Specifications Overview
The board is built on the Intel Z87 chipset and uses the LGA 1150 socket, making it compatible with 4th and 5th Generation Intel Core processors. Specification Manufacturer MSI (for HP) Form Factor uATX (24.4 cm x 24.4 cm) Chipset Socket Memory 4x DDR3 DIMM slots, max 32GB Expansion 1x PCIe x16 (Gen 3.0), 3x PCIe x1 (Gen 2.0), 1x mini card Power Standard 24-pin ATX & 4-pin/8-pin CPU power Processor and RAM Support
CPU Compatibility: Supports Intel Core i3, i5, and i7 processors based on the Haswell and Broadwell architectures. Specific confirmed models include the Intel Core i7-4770 and i7-4790.
Memory Configuration: The board features four 240-pin slots supporting DDR3 PC3-10600 (1333MHz) and PC3-12800 (1600MHz) non-ECC unbuffered modules. While it supports 1600MHz RAM, some users report the BIOS may default to 1333MHz without XMP override options. Critical Installation and Wiring Details
ms 7826 motherboard interconnections (wiring) - HP Community The MS-7826 utilizes MSI’s "Click BIOS 4
12 Feb 2017 — MSI MS-7826 (Kaili) motherboard. http://support.hp.com/us-en/product/hp-envy-700-000-desktop-pc-series/5358989/document/c03748942. HP Support Community HP/MSI Kaili2 Motherboard User Manual Request
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.
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
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 motherboard, commonly referred to as the Kaili by HP, serves as a cornerstone for several performance-oriented desktop systems released during the mid-2010s. While it was manufactured by MSI, its distribution as an Original Equipment Manufacturer (OEM) component means that its "manual" is often a patchwork of technical specifications and service guides rather than a single retail booklet. Understanding this board requires looking at its architecture, its role in the Intel ecosystem, and the specific constraints inherent in OEM hardware. Architectural Foundation
At its core, the MS-7826 is built on the Intel Z87 chipset, utilizing the LGA 1150 socket. This placement makes it compatible with 4th Generation Intel Core processors, known as the Haswell architecture. Because it uses the Z87 chipset, the board theoretically supports features like overclocking and advanced storage configurations, though HP’s proprietary BIOS often restricts these "enthusiast" tweaks to maintain system stability and thermal profiles within their pre-built chassis. Key Specifications and Connectivity
The board follows a standard Micro-ATX form factor, making it versatile for various case sizes. Its manual specifications typically highlight the following:
Memory: It features four DDR3 DIMM slots, supporting dual-channel configurations. It generally handles up to 32GB of RAM with speeds up to 1600 MHz. Go to HP's Customer Support website → Enter
Expansion: The primary slot is a PCI Express x16 (Gen 3.0), intended for high-end graphics cards, accompanied by three PCI Express x1 slots for peripheral cards like Wi-Fi adapters or sound cards.
Storage: The board includes multiple SATA 3.0 (6 Gb/s) ports, providing the necessary bandwidth for SSDs and high-capacity hard drives. The OEM Distinction
The most critical aspect of the MS-7826 "manual" is understanding its identity as a Hewlett-Packard component. Unlike retail MSI boards, the MS-7826 features a customized BIOS and power delivery system. For example, the front panel headers—the pins that connect the case’s power button and LEDs—often follow an HP-specific layout rather than the standardized retail mapping. Users attempting to transplant this motherboard into a third-party case must often rely on community-created diagrams to correctly wire the interface.
Furthermore, driver support and firmware updates are typically sourced from HP's support site rather than MSI’s. This creates a specialized ecosystem where the hardware is MSI-grade, but the "soul" of the board is governed by HP’s corporate standards for reliability and ease of mass assembly. Conclusion
The MS-7826 (Kaili) represents a bridge between the enthusiast world and the pre-built market. It provides a robust platform for Haswell-era computing, offering the stability of the Z87 chipset in a compact form factor. While it lacks the flashy heat sinks and open BIOS of a retail gaming board, its documentation reveals a highly capable workhorse designed to squeeze maximum utility out of one of Intel’s most successful processor generations. For the modern hobbyist, the MS-7826 manual is less a book of instructions and more a map for navigating the unique intersection of custom manufacturing and standardized computing.
The MS-7826 (Kaili) is an OEM motherboard produced by MSI for HP desktop systems, specifically used in series like the HP Envy 700-000. Because it is an OEM part, HP does not provide a traditional, standalone "retail" manual, but key technical details are available through their support documentation. Key Specifications Chipset: Intel Z87. Socket: LGA 1150.
CPU Support: 4th and 5th Generation Intel Core i3, i5, and i7 processors. Memory (RAM): Slots: 4 DDR3 DIMM slots.
Speed: Supports PC3-10600 (1333 MHz) and PC3-12800 (1600 MHz). Maximum Capacity: Up to 32 GB. Expansion & Storage: SATA version 3.0 ports (6 Gbps). PCIe slots for graphics cards and peripherals. Important Connector Information
Front Panel Header: This is often the most requested "piece" of a manual for users moving the board to a new case. The pins for the power switch, reset switch, and LEDs are typically located in a 9-pin header labeled "F-panel".
Polarity: Note that Power and HDD LED pins are polarity-sensitive (+/-); if the lights don't work, reverse the connector.
USB Headers: The board features both USB 2.0 and USB 3.0 headers. Users moving to generic cases may find some proprietary pin-outs, though the front panel power/LED header is generally industry-standard.
Power: Typically uses a standard ATX 24-pin power connector and a 4-pin or 8-pin CPU power connector. MS-7826 Kaili user manual - HP Support Community - 6576828 MS-7826 Kaili user manual - HP Support Community - 6576828. HP Support Community
ms 7826 motherboard interconnections (wiring) - HP Community
Since MSI does not host the manual directly, use the following sources:
| Source | Best for | |--------|-----------| | HP Support (official) | Enter your specific HP model number (e.g., HP Pavilion 500-023w). Download “Maintenance and Service Guide” – contains motherboard layout, jumper settings, BIOS recovery, and power pinouts. | | ManualsLib or Manualslib.com | Search “MS-7826 motherboard manual” – user-uploaded OEM guides. | | Elektrotanya | Schematics and repair guides (advanced users). | | Wayback Machine | Archived MSI OEM pages (rare but possible). |
⚠️ Important: Do not confuse this with MSI’s retail boards (e.g., B75MA-P31). The MS-7826 has no retail equivalent.