1. Zu Endeview
The GIGABYTE GA-X99-Phoenix SLI is an ATX motherboard designed for high-performance computing. It supports Intel Core i7 Broadwell-E processors on the LGA2011-3 socket and features the Intel X99 chipset. This motherboard is equipped with Quad Channel DDR4 memory support, multiple PCIe slots for 3-Way/2-Way SLI and CrossFire configurations, and advanced storage options including NVMe PCIe Gen3 x4 M.2 and U.2 interfaces. It also integrates Intel USB 3.1 with Type-C, dual Intel Gigabit Ethernet, and Intel 802.11ac wireless connectivity.

Abbildung 1: Draufsicht view of the GIGABYTE GA-X99-Phoenix SLI motherboard, showcasing its layout including the CPU socket, RAM slots, PCIe slots, and various connectors.
2. Einrichtung und Installation
2.1 Checkliste vor der Installation
- Gehäusekompatibilität: Ensure your PC case supports the E-ATX form factor. Standard ATX cases may not accommodate this motherboard.
- Prozessor: Verify you have an Intel Core i7 processor compatible with the LGA 2011-3 socket.
- Erinnerung: Use DDR4 DIMMs. The motherboard supports Quad Channel, Registered / Non-ECC Unbuffered DDR4.
- Stromversorgung: A stable power supply unit (PSU) with sufficient wattage is crucial for system stability.
2.2 Motherboard-Installation
- Bereiten Sie den Fall vor: Installieren Sie die I/O-Blende in die hintere Öffnung Ihres PC-Gehäuses.
- Montage des Motherboards: Carefully align the motherboard with the standoffs in your case and secure it with screws.
- CPU einbauen: Open the CPU socket lever, align the CPU with the socket (matching the golden triangle on the CPU to the mark on the socket), gently place the CPU, and close the lever.
- CPU-Kühler installieren: Bringen Sie den von Ihnen gewählten CPU-Kühler gemäß den Anweisungen des Herstellers an.
- Arbeitsspeicher (RAM) einbauen: Open the clips on the DDR4 DIMM slots. Align the memory modules with the slots, ensuring the notch on the module matches the key in the slot. Press down firmly until the clips snap into place. For optimal performance, populate memory in a quad-channel configuration as recommended by the motherboard manual.
- Strom anschließen: Connect the 24-pin ATX main power connector and the 8-pin CPU power connector from your PSU to the motherboard.
- Speichergeräte anschließen: Connect SATA, M.2, or U.2 drives to the appropriate ports.
- Peripheriegeräte anschließen: Connect front panel headers (power, reset, USB, audio), USB devices, and other peripherals.

Abbildung 2: Schräg view of the motherboard, highlighting the rear I/O panel and the layout of the PCIe and RAM slots.
2.3 Erster Systemstart und BIOS-Zugriff
After connecting all necessary components, power on your system. During the Power-On Self-Test (POST), press the DEL key repeatedly to enter the UEFI BIOS setup. You may also press the Ende key during POST to access Q-Flash for BIOS updates.
3. Bedienung des Motherboards
3.1 UEFI BIOS Navigation
The GIGABYTE UEFI BIOS provides a graphical interface for system configuration. While mouse navigation is available, some users may find the keyboard more responsive for precise control due to potential mouse lag within the BIOS environment.
3.2 Overclocking Features
This motherboard offers robust overclocking capabilities. For users new to overclocking, GIGABYTE's EasyTune utility (part of the APP Center) provides one-click overclocking options (e.g., 3.8GHz, 4.0GHz, 4.2GHz) for compatible CPUs. Memory overclocking can be adjusted directly in the BIOS by selecting desired speeds from a dropdown menu, allowing the motherboard to manage voltage settings automatically.
3.3 Software-Dienstprogramme
Der GIGABYTE APP Center provides access to various utilities, including:
- EasyTune: For system tuning, monitoring, and overclocking.
- Wolkenstation: For cloud-based data management and sharing.
- Other utilities for fan control, system information, and more.
3.4 Audio and Network
The motherboard features 115dB SNR HD Audio with a built-in rear audio amplifier for enhanced sound quality. Network connectivity is provided by Dual Intel Gigabit Ethernet LAN ports, which can be optimized with cFosSpeed Internet Accelerator Software, and integrated Intel 802.11ac Dual Band Wireless with Bluetooth 4.2.

Figure 3: Close-up of the rear I/O panel, showing various ports including USB, Ethernet, audio jacks, and wireless antenna connectors.
4. Wartung
4.1 CMOS-Batterie
The motherboard uses a Lithium Metal battery (CR2032) to retain BIOS settings and the system clock when the computer is powered off. If you experience issues with incorrect time/date or lost BIOS settings, the CMOS battery may need replacement. Refer to the motherboard diagram for its location.
4.2 BIOS-Updates
GIGABYTE's Q-Flash Plus utility allows you to update the BIOS without installing a CPU, memory, or graphics card. Simply download the latest BIOS version from the GIGABYTE website, place it on a USB flash drive, and follow the instructions for Q-Flash Plus. Regular BIOS updates can improve system stability, compatibility, and performance.
5. Fehlerbehebung
5.1 Häufige Probleme
- System Fails to POST (Power-On Self-Test):
- Prüfen Sie alle Stromanschlüsse (24-Pin-ATX, 8-Pin-CPU).
- Stellen Sie sicher, dass CPU und RAM korrekt eingesetzt sind.
- Verify the CPU cooler is properly installed.
- Versuchen Sie, nur mit den wichtigsten Komponenten zu booten (CPU, ein RAM-Riegel, GPU, falls keine integrierte Grafikkarte vorhanden ist).
- System Freezes or is Unstable:
- Ensure the BIOS is updated to the latest stable version. Early BIOS versions may have compatibility issues.
- Überprüfen Sie die Temperaturen von CPU und GPU, um eine Überhitzung auszuschließen.
- Falls Sie übertakten, sollten Sie zur Überprüfung der Stabilität auf die Standardeinstellungen zurückkehren.
- Führen Sie Speicherdiagnosetools durch, um die RAM-Integrität zu überprüfen.
- No Debug Code LED: This motherboard does not feature a debug code LED. Troubleshooting will rely on beep codes (if enabled) or visual inspection of components.
- Mouse Lag in BIOS: This is a known characteristic for some users. Use keyboard navigation for a more responsive experience.
6. Spezifikationen
| Besonderheit | Spezifikation |
|---|---|
| Marke | GIGABYTE |
| Modellname | GA-X99-Phoenix SLI |
| CPU-Sockel | LGA 2011-3 |
| Kompatible Prozessoren | Intel Core i7 (Broadwell-E) |
| Chipsatztyp | Intel X99 |
| RAM-Speichertechnologie | DDR4 SDRAM |
| Speicherkanäle | Quad-Kanal |
| Maximale Speicherkapazität | Up to 256 GB (8 DIMMs) |
| Grafikschnittstelle | PCIe Gen3 x16 slots (Supports 3-Way/2-Way SLI & CrossFire) |
| Speicherschnittstellen | NVMe PCIe Gen3 x4 22110 M.2, U.2, SATA Express, SATA 6Gb/s |
| USB-Anschlüsse | Intel USB 3.1 (Type-A & Type-C), USB 3.0, USB 2.0 |
| LAN | Dual Intel Gigabit Ethernet |
| Kabellose Konnektivität | Intel 802.11ac Dual Band Wireless, Bluetooth 4.2 |
| Audio | 115 dB SNR HD-Audio mit integriertem rückseitigem Audio Ampschwerer |
| Formfaktor | E-ATX (14.48 x 12.2 x 3.85 inches) |
| Besondere Merkmale | Ambient Surround LED, Ultra Durable Metal Shielding, Anti-Sulfur Resistors, Anti-Rust Rear I/O, Dual Hybrid Fan Headers, GIGABYTE UEFI Dual BIOS with Q-Flash Plus |
| CMOS-Batterie | 1 Lithium-Metall-Batterie erforderlich |





