Ms 7826 Ver 1.0 Manual [ 2027 ]
Unlike later revisions (Ver 1.1, 2.0), the MS 7826 Ver 1.0 cannot:
If you need these features, the manual recommends upgrading to MS 7826 Ver 2.0 hardware.
The MS 7826 Ver 1.0 manual remains an essential document for maintaining legacy industrial systems. While the hardware lacks modern conveniences like Ethernet or software calibration, its robust design, clear Modbus implementation, and straightforward DIP switch configuration make it reliable for simple data acquisition tasks. Always verify your wiring against the pinout diagrams in Chapter 3 of the original manual, and remember that version 1.0 does not support hot-swapping or mixed voltage/current ranges without external resistors.
For archival purposes, preserve a physical copy of the MS 7826 Ver 1.0 manual inside your control cabinet, as digital scans often omit the critical trimmer calibration maps and timing diagrams.
Need additional help? Visit the manufacturer’s legacy support archive at support.ms7800series.com/legacy (requires serial number of your unit).
Document last updated based on original MS 7826 Ver 1.0 manual revision 1.0, released June 2012.
MS-7826 (Kaili) is an OEM motherboard manufactured by MSI for HP Envy and Phoenix desktop series. While HP does not publish a standalone "retail-style" manual, the following guide consolidates all technical specifications and installation details required for maintenance or case swaps. HP Support Community 1. Technical Specifications MS-7826 Kaili user manual - HP Support Community - 6576828
Before diving into the setup, here are the core specifications of the MS-7826:
The manual instructs:
Set Setup → Communication → Modbus mode to Slave (RTU or TCP).
Default: address 1, baud 9600, 8N1. Register map in Appendix.
| Version | Date | Changes | |---------|------------|----------------------------------| | 1.0 | 2026-04-13 | Initial release for MS 7826 ver 1.0 |
End of manual for MS 7826 Ver 1.0.
The MS-7826 ver 1.0 (Kaili) is an OEM micro-ATX motherboard for HP Envy 700 series desktops featuring an LGA 1150 socket, Intel Z87 chipset, and support for up to 32GB DDR3 memory. Because no retail manual exists, technical specifications and pinout diagrams are found through HP support resources and community forums. Detailed specifications and service procedures are available via the HP Support Page for the Envy 700 series. Upgrade a motherboard in Hewlett-Packard 700-230qe
The MS-7826 Ver 1.0 , also known by its codename "Kaili," is a micro-ATX (uATX) motherboard manufactured by MSI specifically for HP desktop systems, such as the HP ENVY Phoenix 810 series. Because it is an OEM (Original Equipment Manufacturer) part, finding a traditional "retail" manual can be difficult. Instead, users must rely on technical specifications and pinout guides provided through HP support documentation. Core Technical Specifications
This motherboard is built on the Intel Z87 chipset, designed to support 4th-generation Intel Core (Haswell) processors. Specification Manufacturer MSI (for HP) Socket Chipset Form Factor uATX: 24.4 cm x 24.4 cm Memory 4x DDR3 DIMM slots, up to 32GB (1600 MHz) Expansion 1x PCIe x16 (Gen 3.0), 3x PCIe x1 (Gen 2.0) Storage Multiple SATA ports; some versions include an mSATA slot Installation and Setup Guide
When working with the MS-7826, follow these standard procedures for installation:
CPU Installation: Ensure the LGA 1150 socket lever is open. Align the golden triangle on the corner of the processor with the triangle on the socket. Do not apply pressure; the chip should sit flush before you lock the retention frame.
RAM Configuration: For optimal performance (dual-channel mode), it is recommended to fill all four slots or use identical pairs. The board supports non-ECC DDR3 memory at 1333MHz or 1600MHz.
Front Panel Headers: The front panel configuration is often non-intuitive on OEM boards. The header generally includes pins for the Power Switch, Reset Switch, HDD LED, and Power LED. If the LEDs do not light up, reverse the polarity of the connector.
Power Connections: Use a standard 24-pin ATX power cable and a 4-pin or 8-pin CPU power cable near the socket. Maintenance and BIOS Updates
CMOS Battery: The board uses a standard CR2032 coin battery to maintain BIOS settings and the system clock. If your PC loses time after being unplugged, replace this battery.
BIOS Updates: HP occasionally releases BIOS updates for the MS-7826. Note that some updates are designed to be flashed under specific operating systems (like Windows 8.1) and may not execute properly under Windows 10 or 11.
Troubleshooting: If the system fails to boot after an upgrade, try clearing the CMOS using the JBAT1 jumper or by removing the CMOS battery for 30 seconds while the power is disconnected. ms 7826 ver 1.0 manual
The MS-7826 (Kaili) ver 1.0 is a proprietary motherboard manufactured by MSI for HP, commonly found in HP Envy 700 series desktop PCs. Because it is an OEM (Original Equipment Manufacturer) part, HP does not provide a traditional standalone user manual. Instead, technical details are found across various HP support documents and community hardware guides. Core Specifications MS-7826 Kaili user manual - HP Support Community - 6576828
Searching for a formal manual for the MS-7826 ver 1.0 (code-named Kaili) can be tricky because it is an OEM motherboard manufactured by MSI specifically for HP desktop systems like the HP ENVY 700 and Phoenix 810 series. Motherboard Overview: (Kaili)
is built on the Intel Z87 chipset, supporting 4th generation "Haswell" processors. Socket: LGA 1150 Memory: 4 DDR3 DIMM slots.
Supports PC3-10600 (1333MHz) and PC3-12800 (1600MHz) non-ECC memory. Maximum capacity: 32 GB. Expansion Slots: 1 PCI Express x16 (Gen 3.0) for graphics cards. 3 PCI Express x1 (Gen 2.0). 1 PCI Express half-length mini card. Common Upgrade Solutions
Since the official documentation is sparse, many users turn to community wisdom for common hardware upgrades:
SSD M.2 Compatibility MS-7826 (Kaili) Motherboard - HP Community
The MS-7826 (Kaili) is an OEM motherboard manufactured by MSI for HP desktop PCs, such as the HP Envy 700 series. Because it is a proprietary OEM part, a traditional "retail" manual from MSI does not exist. Instead, technical details are found across HP support documents and hardware maintenance guides. Core Hardware Specifications
Chipset & Socket: Intel Z87 chipset with an LGA 1150 socket. Memory: 4 DIMM slots supporting up to 32GB of RAM.
Compatible with DDR3 PC3-10600 (1333MHz) and PC3-12800 (1600MHz) non-ECC memory.
Storage: Features multiple SATA ports and a dedicated mSATA slot.
Expansion: Typically includes 1 PCIe x16 slot for graphics and multiple PCIe x1 slots. Front Panel Header Pinout (JFP1) Unlike later revisions (Ver 1
The front panel header is often the most requested feature for users moving this board to a new case. While HP doesn't officially publish the diagram, users have identified it as a standard 9-pin Intel/MSI layout: MS-7826 Kaili user manual - HP Support Community - 6576828
The MS-7826 ver 1.0, also known as the Kaili motherboard, is an OEM board manufactured by MSI for HP Desktop PCs, such as the Envy 700 and Envy 810 series. Technical Specifications Form Factor: Micro-ATX (uATX).
Socket: LGA 1150 (Supports 4th Gen Intel "Haswell" and 5th Gen "Broadwell" Core i3/i5/i7 processors). Chipset: Intel Z87.
Memory: 4 DDR3 DIMM slots supporting up to 32GB of non-ECC RAM at speeds of 1333MHz or 1600MHz. Expansion Slots: 1 PCI Express x16 (Gen 3.0) 3 PCI Express x1 (Gen 2.0) 1 PCI Express Half-Length Mini Card Storage: 5 SATA 3.0 (6Gb/s) ports and 1 mSATA port. Front Panel Header Pinout (9-Pin)
If you are moving this board to a new case, use the following configuration for the P5 P10 PB LED header, typically located at the bottom-right corner: 1 HDD LED (+) 2 Power LED (+) 3 HDD LED (-) 4 Power LED (-) 5 Power Switch 6 (Blank / No Pin) 7 Power Switch 8 Jump/Reserve 9 Not Connected 10 Jump/Reserve Key Installation & Upgrade Notes
Power Supply: Requires a standard 24-pin ATX power connector and a 4-pin CPU power connector.
Secure Boot: If you install a discrete graphics card and get no signal, you may need to enter the BIOS and disable Secure Boot while enabling Legacy Support.
Memory Speed: While the board supports 1600MHz RAM, it may default to 1333MHz if the BIOS does not support XMP profiles for your specific modules.
If you need a copy of the official documentation, you can refer to the HP Motherboard Specifications for Kaili on the HP Support site. MS-7826 (Kaili - 2AF3) Memory Speed - HP Support Community
Create an account on the HP Community to personalize your profile and ask a question. Jon33703. 3 0 0. New member. 10-29-2017 04: HP Support Community MS-7826 Kaili user manual - HP Support Community - 6576828