1. Introdución
This manual provides detailed instructions for the installation, operation, and maintenance of your ZEBRONICS A780-D3 Micro-ATX Motherboard. Please read this manual thoroughly before installing or using the product to ensure correct setup and optimal performance. This motherboard is designed to support AMD AM3 and AM3+ socket processors and DDR3 memory.
2. Produto rematadoview
The ZEBRONICS A780-D3 motherboard features the AMD RS780/SB810 chipset, providing a stable and reliable platform for your computing needs. It supports DDR3 memory up to 1600 MHz and offers essential connectivity options.
2.1 Características principais
- Soporte de memoria DDR3: Compatible with DDR3 memory modules, supporting speeds from 1066MHz to 1600MHz for efficient data processing.
- AMD RS780/SB810 Chipset: A robust chipset combination ensuring stability and reliability for motherboard functions.
- Configuración do socket: Designed with AM3 and AM3+ sockets, supporting compatible AMD processors for smooth data transfer and processing.
- Conectividade de rede: Integrated LAN support provides fast and reliable internet connectivity with 10/100 Mbps speeds.
- Opcións de almacenamento: Features 4 SATA ports for connecting multiple storage devices such as hard drives and SSDs.
- Slots de expansión: Includes one PCIe x16 slot for graphics cards and one PCIe x1 slot for additional peripheral connections.
- Audio: Supports 5.1 channel audio.
- Saídas de vídeo: Equipped with HDMI and VGA ports.
- Portos legados: Includes PS/2 ports for keyboard and mouse.
2.2 Deseño da placa base
Refer to the image below for a visual representation of the motherboard's components and layout.

Imaxe 1: De arriba abaixo view of the ZEBRONICS A780-D3 Micro-ATX Motherboard, showing the CPU socket, RAM slots, PCIe slots, SATA ports, and various connectors.

Image 2: Diagram illustrating key features of the ZEBRONICS A780-D3 motherboard, including AMD RS780/SB810 chipsets, PCIe x16, SATA x4, PCIe x1, 5.1 Audio, LAN 10/100Mbps, and DDR3 1066/1333/1600 MHz support.
3. Especificacións
| Característica | Detalle |
|---|---|
| Marca | ZEBRÓNICA |
| Número de modelo | ZEB-A780-D3 |
| Chipset | AMD RS780/SB810 |
| Socket CPU | AM3, AM3+ |
| Procesadores compatibles | AMD FX, Athlon II Series |
| Tecnoloxía da memoria | DDR3 |
| Velocidade do reloxo da memoria | 1066 MHz, 1333 MHz, 1600 MHz |
| Portos SATA | 4 |
| Ranuras PCIe x16 | 1 |
| Ranuras PCIe x1 | 1 |
| LAN Speed | 10/100 Mbps |
| Audio | 5.1 Canle |
| Portos de saída de vídeo | 1x HDMI, 1x VGA |
| Outros Portos | RJ45, USB, PS/2 |
| Factor de forma | Micro-ATX |
| Dimensións (LxWxH) | 22 x 5.5 x 27 cm |
| Peso do elemento | 800 g |
4. Guía de configuración
Follow these steps carefully to install your ZEBRONICS A780-D3 motherboard and associated components.
4.1 Precaucións de seguridade
- Desconecte sempre a fonte de alimentación da toma de corrente antes de instalar ou retirar calquera compoñente.
- Use unha pulseira antiestática ou toque con frecuencia un obxecto metálico conectado á terra para evitar danos por descarga electrostática (ESD) nos compoñentes.
- Suxeite os compoñentes polos bordos, evitando o contacto cos pines ou os circuítos.
4.2 Instalación de compoñentes
- Instalar a CPU:
- Locate the AM3/AM3+ CPU socket on the motherboard.
- Lift the CPU socket lever.
- Carefully align the CPU with the socket, ensuring the golden triangle on the CPU matches the triangle on the socket. Do not force the CPU into the socket.
- Lower the CPU into the socket gently, then push the lever back down to secure it.
- Instalar o refrigerador da CPU:
- Apply a thin, even layer of thermal paste to the top of the CPU (if not pre-applied on the cooler).
- Mount the CPU cooler according to its specific instructions, ensuring it is securely fastened and makes good contact with the CPU.
- Connect the CPU fan cable to the "CPU_FAN" header on the motherboard.
- Instalar módulos de RAM:
- Abra os clips en ambos extremos das ranuras DIMM DDR3.
- Aliñe a muesca do módulo RAM coa muesca da ranura DIMM.
- Prema firmemente os dous extremos do módulo RAM ata que os clips encaixen no seu lugar.
- Install the Motherboard into the PC Case:
- Instala a protección de E/S na abertura traseira da caixa do teu PC.
- Aliña a placa base cos separadores da caixa do teu PC.
- Fixe a placa base con parafusos, asegurándose de que estea firmemente asentada.
- Install Storage Devices (HDD/SSD):
- Mount your hard drives or SSDs into the drive bays of your PC case.
- Connect one end of a SATA data cable to a SATA port on the motherboard and the other end to your storage device.
- Connect a SATA power cable from your power supply to each storage device.
- Instalar tarxetas de expansión (por exemplo, tarxeta gráfica):
- Locate the PCIe x16 slot for your graphics card or PCIe x1 slot for other expansion cards.
- Retire a tapa da ranura correspondente da carcasa do seu PC.
- Carefully insert the expansion card into the slot, pressing down firmly until it is fully seated.
- Fixa a tarxeta á carcasa do PC cun parafuso.
- If installing a graphics card, connect any required PCIe power cables from your power supply to the card.
4.3 Conexión de periféricos e alimentación
- Connect Power Supply Cables:
- Conecta o conector de alimentación principal ATX de 24 pines da fonte de alimentación ao conector correspondente da placa base.
- Connect the 4-pin ATX 12V CPU power connector to the header near the CPU socket.
- Conectar os cables do panel frontal:
- Connect the power switch, reset switch, HDD LED, and power LED cables from your PC case to the front panel header on the motherboard. Refer to the motherboard manual or the silkscreen labels for correct pin assignments.
- Connect the front panel USB and audio cables to their respective headers.
- Connect External Peripherals:
- Connect your monitor to the HDMI or VGA port on the motherboard (if using integrated graphics) or on your dedicated graphics card.
- Connect your keyboard and mouse to the USB or PS/2 ports.
- Connect your Ethernet cable to the RJ45 LAN port for network access.
- Conecte altofalantes ou auriculares ás tomas de saída de audio.
5. Instrucións de funcionamento
5.1 Arranque inicial e configuración da BIOS
- After connecting all components and peripherals, connect the power cable to the power supply and turn on the power switch.
- Preme o botón de acendido da carcasa do teu PC.
- Durante o arranque, prema repetidamente o botón DEL or F2 key (check your screen for the exact key) to enter the BIOS/UEFI setup utility.
- In the BIOS, you can configure settings such as boot order, date/time, and system performance parameters. Save your changes and exit the BIOS to continue booting.
5.2 Instalación do sistema operativo
Insert your operating system installation media (USB drive or DVD) and follow the on-screen instructions to install your preferred operating system.
5.3 Instalación do controlador
After installing the operating system, install the necessary drivers for the motherboard components (chipset, LAN, audio, etc.). These drivers are typically provided on an installation CD included with the motherboard or can be downloaded from the ZEBRONICS official websitio.

Image 3: ZEBRONICS Motherboard Installation Driver CD, indicating drivers for ZEB-A780-D3 LGA 1156 Socket (Note: Product description states AM3/AM3+ socket, please verify compatibility with your CPU).
6. Mantemento
Un mantemento axeitado garante a lonxevidade e o funcionamento estable da túa placa base.
- Eliminación de po: Regularly clean the inside of your PC case to prevent dust buildup on the motherboard and components. Use compressed air or a soft brush. Ensure the system is powered off and unplugged before cleaning.
- Actualizacións da BIOS: Periodically check the ZEBRONICS official website for BIOS updates. BIOS updates can improve system stability, compatibility, and performance. Follow the instructions provided by ZEBRONICS carefully when updating the BIOS.
- Xestión de cables Asegúrate de que todos os cables estean ben colocados para mellorar o fluxo de aire e evitar interferencias.
7 Solución de problemas
Esta sección aborda problemas comúns cos que podes atoparte.
7.1 Sen saída de pantalla
- Comprobar a conexión do monitor: Ensure the monitor cable is securely connected to both the monitor and the motherboard's video output (or graphics card).
- Verificar potencia: Confirm that the monitor is powered on and receiving power.
- Reasentar compoñentes: Power off the system, unplug it, and reseat the RAM modules, graphics card (if installed), and CPU. Ensure all power cables (24-pin ATX, 4-pin CPU, PCIe power for GPU) are firmly connected.
- Proba con compoñentes mínimos: Remove all non-essential components (e.g., extra RAM sticks, expansion cards, storage drives) and attempt to boot with only the CPU, one RAM stick, and the necessary power connections.
- Borrar CMOS: Refer to your motherboard manual for instructions on how to clear the CMOS (Complementary Metal-Oxide-Semiconductor) settings, which can resolve boot issues. This usually involves removing the CMOS battery for a few minutes or using a jumper.
7.2 System Fails to Boot or Power On
- Comproba as conexións de alimentación: Ensure the 24-pin ATX and 4-pin CPU power connectors are correctly and firmly seated on the motherboard.
- Conexións do panel frontal: Verify that the power switch cable from the case is correctly connected to the motherboard's front panel header.
- Power Supply Test: If possible, test the power supply with another system or use a power supply tester to ensure it is functioning correctly.
- Curtocircuítos: Check for any loose screws or metal objects inside the case that might be causing a short circuit.
7.3 Inestabilidade ou fallos do sistema
- Comprobar as temperaturas: Monitor CPU and GPU temperatures using software utilities. Overheating can cause instability. Ensure CPU cooler is properly installed and fans are working.
- Proba de memoria RAM: Run a memory diagnostic tool (e.g., MemTest86) to check for faulty RAM modules.
- Actualizar controladores: Ensure all motherboard and component drivers are up to date.
- Comprobar a fonte de alimentación: An insufficient or failing power supply can lead to system instability.
8. Garantía e soporte
Para obter información sobre a garantía e asistencia técnica, consulte a páxina oficial de ZEBRONICS website or contact their customer service directly. Warranty terms and conditions may vary by region and product. It is recommended to retain your proof of purchase for warranty claims.
Nota: Algúns usuarios reviews indicate conflicting information regarding warranty coverage for this specific model. Please verify the current warranty policy directly with ZEBRONICS or your retailer.
Oficial de ZEBRONICS Websitio: www.zebronics.com





