1. Introduction
This manual provides essential information for the installation, operation, and maintenance of the Intel DZ68DB Desktop Motherboard. Designed for Intel LGA-1155 processors, this motherboard features the Intel Z68 Express Chipset, supporting DDR3 SDRAM, multiple storage options including RAID, and integrated graphics capabilities via DVI-I, HDMI, and DisplayPort outputs.
2. Product Overview
The Intel DZ68DB Desktop Motherboard is engineered to provide a robust foundation for your personal computer system. Key features include:
- Processor Support: LGA-1155 socket for Intel 2nd and 3rd Generation Core processors.
- Chipset: Intel Z68 Express Chipset.
- Memory: Dual-channel DDR3 SDRAM support, up to 32 GB maximum.
- Storage: Serial ATA/600 and Serial ATA/300 with RAID 0, 1, 5, and 10 support.
- Expansion Slots: 1 x PCIe x16 slot for graphics cards.
- Connectivity: USB 3.0 ports, HDMI, DVI-I, and DisplayPort for video output.

Figure 1: Intel DZ68DB Desktop Motherboard and its retail packaging. The image displays the blue motherboard with its various components, including the CPU socket, RAM slots, PCIe slots, and I/O ports, alongside the blue and white Intel branded box.
3. Setup and Installation
Proper installation is crucial for the stable operation of your system. Always ensure your system is powered off and unplugged before handling internal components. It is recommended to wear an anti-static wrist strap to prevent electrostatic discharge (ESD) damage.
3.1 Motherboard Installation
- Prepare the Case: Install the I/O shield into the computer case.
- Mount the Motherboard: Carefully align the motherboard with the standoffs in the case and secure it with screws.
- Install CPU: Open the CPU socket lever, align the processor's triangular mark with the socket's mark, gently place the CPU, and close the lever.
- Install CPU Cooler: Apply thermal paste (if not pre-applied) and install the CPU cooler according to its manufacturer's instructions. Connect the CPU fan to the designated header on the motherboard.
- Install RAM: Open the clips on the DIMM slots, align the memory modules with the key notch, and press firmly until the clips lock into place. Refer to the motherboard's manual for correct dual-channel configuration.
- Connect Power: Connect the 24-pin ATX main power connector and the 8-pin (or 4-pin) ATX 12V power connector from the power supply to the motherboard.
- Connect Storage Devices: Connect SATA data cables from your hard drives/SSDs to the SATA ports on the motherboard. Connect power cables from the power supply to these devices.
- Install Expansion Cards: Insert graphics cards or other PCIe cards into the appropriate slots and secure them.
- Connect Front Panel: Connect the front panel headers (power button, reset button, USB, audio) to the corresponding pins on the motherboard. Refer to the motherboard's pinout diagram.
3.2 Driver Installation
After installing the operating system, it is essential to install the latest drivers for optimal performance and stability. Do not rely solely on the included driver disk, as drivers on it may be outdated. Always download the most current drivers directly from the official Intel support website for the DZ68DB motherboard. Prioritize chipset, graphics, audio, and network drivers.
4. Operating Instructions
4.1 Initial Power On
After completing all hardware connections, connect the power cord to the power supply and press the power button on your computer case. The system should initiate the Power-On Self-Test (POST) process.
4.2 BIOS/UEFI Setup
To access the BIOS/UEFI setup utility, press the designated key (commonly DEL, F2, or F10) during the POST sequence. Within the BIOS/UEFI, you can configure boot order, system time, hardware settings, and enable/disable various features.
4.3 Operating System Installation
Insert your operating system installation media (USB drive or DVD) and configure the BIOS/UEFI to boot from it. Follow the on-screen instructions to install your preferred operating system.
5. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your motherboard and system.
- Dust Removal: Periodically clean dust from inside the computer case, especially from heatsinks and fans, using compressed air. Ensure the system is powered off and unplugged before cleaning.
- Driver Updates: Regularly check the Intel support website for updated drivers for your motherboard components.
- BIOS/UEFI Updates: Only update the BIOS/UEFI if necessary, such as for new CPU support or critical bug fixes. Follow Intel's instructions precisely, as an interrupted update can render the motherboard inoperable.
- Cable Management: Ensure internal cables are neatly routed to improve airflow and prevent interference.
6. Troubleshooting
This section addresses common issues you might encounter.
- No Power:
- Verify power supply connections to the motherboard (24-pin and 8-pin/4-pin).
- Ensure the power supply switch is in the 'ON' position.
- Check if the front panel power button is correctly connected.
- No Display:
- Ensure the monitor is connected to the correct video output (either integrated graphics or a dedicated graphics card).
- Reseat the graphics card and RAM modules.
- Test with a different monitor or cable if possible.
- System Instability/Crashes:
- Check CPU and GPU temperatures.
- Verify RAM modules are properly seated and functioning (test one module at a time).
- Ensure all drivers are up to date.
- Run a memory diagnostic tool.
- Operating System Not Booting:
- Check boot order in BIOS/UEFI.
- Verify SATA data and power connections to storage drives.
- Run a disk check on the operating system drive.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | DZ68DB |
| CPU Socket | LGA 1155 |
| Compatible Processors | Intel Core 2nd Gen, Intel Core 3rd Gen (Note: Compatibility with later generations listed in some sources may require specific BIOS updates or may be inaccurate for this chipset) |
| Chipset Type | Intel Z68 Express |
| RAM Memory Technology | DDR3 |
| Maximum RAM | 32 GB |
| Memory Clock Speed | Up to 2133 MHz (via overclocking, standard support typically 1333 MHz) |
| Storage Controller | Serial ATA/600, Serial ATA/300 with RAID 0, 1, 5, 10 support |
| Video Output | CPU Dependent Video (DVI-I, HDMI, DisplayPort) |
| USB Ports | USB 3.0, USB 2.0 |
| Expansion Slots | 1 x PCIe x16, other PCIe x1 and PCI slots |
| Form Factor | ATX |
| Product Dimensions | 12.99 x 10.47 x 2.76 inches |
| Item Weight | 8.82 pounds |
| Manufacturer | Intel Corporation |
8. Warranty and Support
For detailed warranty information, please refer to the documentation included with your product or visit the official Intel website. Technical support, driver downloads, and further product information can be found on the Intel support portal.
Intel Support Website: https://www.intel.com/content/www/us/en/support.html





