This document describes the B75M-VH PLUS motherboard, a component designed for Intel Core/Pentium/Xeon series processors with an LGA 1155 socket, utilizing the B75 chipset. It functions as the central hub for a computer system, enabling communication between various hardware components.
Important Technical Specifications:
- Processor Support: Intel Core/Pentium/Xeon series with LGA 1155 socket.
- Chipset: B75.
- RAM: Supports Dual Channel DDR3 memory with a maximum capacity of 16GB (8GB per slot) across two DDR3 memory slots.
- Rear I/O Ports:
- USB: 4 x USB 2.0 ports and 2 x USB 3.0 ports.
- Display Interface: 1 x HDMI and 1 x VGA port.
- Ethernet: 1 x Gigabit LAN Card (RJ45).
- Audio: 1 x Audio port (Mic-in, Line-out, Line-in).
- PS/2: 1 x KB Interface (keyboard) and 1 x MS Interface (mouse).
- Internal Connectors:
- M.2 Slot: 1 x NVME M.2 slot.
- SATA Interface: 1 x SATA 3.0 connector and 3 x SATA 2.0 connectors.
- USB Interface: 2 (1 x USB 2.0; 1 x USB 3.0) internal USB headers.
- Power Connectors: 1 x 4PIN Power Socket (ATX_12V1) and 1 x 24PIN Power Socket (ATXPWR).
- Fan Connectors: 1 x 4PIN CPU_FAN1 and 1 x 3PIN SFAN2.
- Audio Connector: 1 x 2x5Pin JAUDIO1.
- Serial Port Connector: 1 x JCOM.
- Expansion Slots: 1 x PCIe x16 (PCI Express 3.0) and 1 x PCIe x1 (PCI Express 2.0), 1 x PCI slot.
- Physical Size: 240mm x 170mm.
- Environmental Conditions:
- Working Temperature: 0~50°C.
- Working Humidity: 5%~95%.
- Storage Temperature: -20~70°C.
- Storage Humidity: 5%~95%.
Usage Features:
The motherboard is designed for ease of installation and connectivity.
- CPU & Fan Installation: The manual provides a step-by-step guide for installing the CPU into the LGA 1155 socket and connecting the CPU cooler's 4-pin fan power connector to the CPU fan header. It emphasizes the importance of proper CPU placement, securing the locking lever, and applying thermal paste for efficient heat dissipation.
- Memory Installation: It supports DDR3 DIMM modules. Users are instructed to open the latches, align the memory module with the notch, insert it, and then close the latches to secure it. The motherboard supports Dual Channel Technology, which requires two memory modules to be installed.
- Expansion Card Installation: The motherboard includes a PCI Express 3.0 x16 slot and a PCI Express 2.0 x1 slot for graphics cards and other expansion cards. Installation involves inserting the card into the available slot and pressing until fully seated.
- Connectivity:
- USB Ports: Both USB 2.0 and USB 3.0 ports are available for connecting various USB devices. The USB 3.0 ports are backward compatible with USB 2.0.
- Display Outputs: VGA and HDMI ports allow connection to monitors, supporting high resolution and fast display rates. The HDMI port supports 4K and 1080px.
- Network: An RJ45 LAN port provides Gigabit Ethernet connectivity, with LEDs indicating link/activity and speed status.
- Audio Ports: Dedicated Line-in, Line-out, and Mic-in jacks are provided for audio devices.
- PS/2 Ports: Separate PS/2 ports for keyboard (blue) and mouse (green) are included.
- Internal Headers: Front panel connectors for power LED, power switch, HDD LED, reset switch, and front panel audio jacks (JAUDIO1) are clearly labeled. A serial port connector (JCOM) is also available.
- Storage: SATA 3.0 and SATA 2.0 connectors support single SATA devices. An M.2 slot is available for NVME M.2 SSDs, with instructions for insertion at a 30-degree angle and securing with a screw.
- Power Connectors: The ATXPWR (24-pin) and ATX_12V1 (4-pin) connectors ensure stable power delivery to all motherboard components. A minimum 500W power supply is recommended for system stability.
- Fan Control: The CPU_FAN1 (4-pin) supports PWM intelligent speed regulation based on load and temperature, while the SFAN2 (3-pin) is for system cooling fans and does not have PWM adjustment.
- BIOS Setup: The BIOS (Basic Input and Output System) allows users to modify basic system configuration settings and activate certain system features. Accessing the BIOS setup is typically done by pressing the key during startup. The manual advises against altering default settings unless necessary to prevent instability.
Maintenance Features:
- Safety Precautions: The manual repeatedly emphasizes safety, such as unplugging the power cord before installing or removing components to prevent hardware damage.
- CPU Protection: Users are advised to retain the CPU protective cap after installation and to protect CPU socket pins with a plastic cap when the CPU is not installed.
- BIOS Management:
- Resetting BIOS: Instructions are provided for resetting BIOS settings to resolve issues, either by loading optimized defaults within the BIOS (F6) or by shorting the Clear CMOS jumper on the motherboard.
- BIOS Flashing Caution: Users are warned that BIOS flashing is potentially risky and should only be done with caution if problems are encountered with the current BIOS version, as inadequate flashing can lead to system malfunction.
- BIOS Updates: It notes that BIOS items are regularly updated for better performance, and descriptions may vary slightly from the latest BIOS, serving as a reference.
- Component Compatibility: Users are reminded to ensure that the motherboard supports the specific CPU and memory being installed. For memory, it's recommended to use modules of the same capacity, brand, speed, and chips.
- Troubleshooting: The document highlights that incorrect connections, such as with internal module connectors, can prevent devices from working or even cause damage. Incorrect expansion card installation can lead to short circuits.
The B75M-VH PLUS motherboard is a robust foundation for a desktop PC, offering essential features and connectivity for a range of computing needs, with clear guidance for installation and maintenance.
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