If you are moving this motherboard to a standard PC case, you will need to or find the original HP chassis wiring diagram. Without the correct pinout, the board may not turn on.
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | No power, fans spin then stop | Short circuit or wrong front panel wiring | Check standoffs; verify power switch pins | | Beeps 3 times (long) | Memory not detected | Reseat RAM; use only 2Rx8 or 1Rx8 DDR3 | | Beeps 5 times | CPU not supported or dead | Replace with a known supported LGA1156 CPU | | USB ports not working | Driver issue or blown fuse (FS1 on board) | In Windows, reinstall chipset drivers; check for visible burn | | No display from VGA | CPU without integrated graphics (e.g., i5-750) | Install a discrete GPU. This board has onboard GPU; the VGA port only works with Clarkdale CPUs (i3-5xx, i5-6xx) | | Slow SSD speed | SATA II (3 Gb/s) limit | That's normal max speed ~280 MB/s |
| Category | Specification | | :--- | :--- | | | MSI (HP OEM) | | Model | MS-7860 Ver 1.2 | | Form Factor | micro-ATX (9.6 x 9.6 inches) | | CPU Socket | LGA1156 | | Chipset | Intel H57 (most common) or Q57 (less common on 1.2) | | Supported CPUs | Intel Core i7-8xx, i5-7xx/6xx, i3-5xx, Pentium G6xxx/G69xx, Celeron G1xxx | | Memory Type | DDR3 (non-ECC, unbuffered) | | Memory Slots | 2 x DIMM (Dual Channel) | | Max Memory Support | 8GB (officially), 16GB possible with high-density modules | | Memory Speed | 1066 MHz / 1333 MHz (downclocked to CPU support) | | Expansion Slots | 1 x PCIe x16 (Gen 2.0), 1 x PCIe x1, 1 x PCI (legacy) | | Storage | 4 x SATA II (3 Gb/s), 1 x PATA (IDE - rare on 1.2) | | Audio | Realtek ALC662 (6-channel HD Audio) | | LAN | Realtek RTL8105E (10/100 Mbps – not Gigabit!) | | Rear I/O | PS/2 (KB), PS/2 (Mouse), VGA, DVI-D, 4 x USB 2.0, RJ-45, 3 x Audio jacks | | Internal Headers | 2 x USB 2.0 (4 ports), COM header, LPT header, Front audio | | Power Connector | Standard 24-pin ATX + 4-pin CPU (may be proprietary 12V sensing) |
Because this board uses the , there are some limitations compared to the higher-end Z87 or Z97 chipsets: ms-7860 ver 1.2 motherboard specs
The heart of any motherboard is the CPU socket. The MS-7860 VER 1.2 features the socket.
MS-7860 VER:1.2 for HP 400 G1 G2 MT Desktop Motherboard LGA 1150 718413-001 718413-501 718775-001 DDR3 H81 * Desktop. application. Alibaba.com
| Standard Header | MS-7860 Ver 1.2 (HP Proprietary) | | :--- | :--- | | 9 pins for PWR, RST, HDD LED | Uses a 20-pin or 10-pin Fujitsu-style connector | | Power switch pins are adjacent | Power switch is often pin 1 & 3 on a 10-pin block | If you are moving this motherboard to a
Buy a 2 x 4GB kit of DDR3-1333 (e.g., Corsair, Kingston, Hynix). Speed will auto-negotiate down to 1066 MHz if your CPU only supports that.
Before diving into specifications, it is important to identify exactly what board you have. The code "MS-7860" is the PCB (Printed Circuit Board) model number used by MSI.
To enter BIOS: Press during boot.
Original MS-7860 Ver:1.2 For Hp 400 G1 G2 Mt Desktop ... - AliExpress
| Port | Speed | Best use | |------|-------|-----------| | SATA 3.0 (two ports) | 6 Gbps | SSD boot drive | | SATA 2.0 (one port) | 3 Gbps | HDD or optical drive |