1. Produk Lebihview
The Intel Core i5-9400F is a 9th Generation desktop processor designed for performance computing. It features 6 cores and 6 threads, with a base clock speed of 2.90 GHz and a maximum turbo frequency of 4.10 GHz. This processor requires a discrete graphics card as it does not include integrated graphics. It is compatible with motherboards based on Intel 300 Series chipsets and supports Intel Optane Memory.
1.1 Ciri-ciri Utama
- 6 Teras / 6 Benang
- 2.90 GHz Base Frequency, up to 4.10 GHz Max Turbo Frequency
- 9 MB Intel Smart Cache
- LGA 1151 Socket
- 65W Thermal Design Power (TDP)
- Requires Discrete Graphics Card
- Compatible with Intel 300 Series Chipsets
- Supports DDR4 SDRAM
2. Apa yang ada di dalam Kotak
Upon opening the product packaging, verify that the following items are included:
- Intel Core i5-9400F Processor
- Intel Stock CPU Cooler
If any items are missing or damaged, contact your retailer or Intel support.
3. Persediaan dan Pemasangan
Proper installation is crucial for the optimal performance and longevity of your processor. Please follow these guidelines carefully.
3.1 Senarai Semak Prapemasangan
- Keserasian Papan Induk: Ensure your motherboard is based on an Intel 300 Series chipset (e.g., Z370, B360, H370, Z390, B365). Older chipsets are not compatible.
- Kad Grafik Diskret: A separate graphics card is mandatory for video output, as this processor does not have integrated graphics.
- Penyelesaian Terma: The included Intel Stock CPU Cooler is designed for this processor. Ensure it is properly installed with thermal paste applied.
- Bekalan Kuasa: Verify your power supply unit (PSU) meets the power requirements of your entire system, including the processor and discrete graphics card.
- Kemas Kini BIOS: For some 300 Series motherboards, a BIOS update may be required to support 9th Generation processors. Consult your motherboard manufacturer's webtapak untuk arahan khusus.
3.2 Langkah Pemasangan Pemproses
- Sediakan Papan Induk: Place the motherboard on a non-conductive surface. Open the CPU socket retention lever and lift the load plate.
- Pasang Pemproses: Carefully align the processor with the socket, ensuring the gold triangle on the CPU matches the triangle on the socket. Gently lower the processor into the socket without forcing it.
- Selamatkan Pemproses: Close the load plate and push down the retention lever until it locks into place.
- Sapukan Pes Termal (jika belum disapu terlebih dahulu): Jika penyejuk anda tidak mempunyai pes terma pra-pakai, sapukan sedikit (titik sebesar kacang) pada bahagian tengah penyebar haba bersepadu (IHS) CPU.
- Pasang Penyejuk CPU: Place the Intel Stock CPU Cooler onto the processor, aligning the mounting pins with the holes on the motherboard. Press down firmly on each pin until it clicks into place. Connect the cooler's fan cable to the CPU_FAN header on the motherboard.
Penting: Handle the processor by its edges to avoid touching the gold contacts or the top surface. Static electricity can damage components; use anti-static precautions.

Rajah 1: Atas view of the Intel Core i5-9400F processor.

Rajah 2: Bawah view of the Intel Core i5-9400F processor with LGA 1151 contact pads.

Figure 3: Intel Core i5-9400F processor and stock cooler.
4. Mengendalikan Pemproses
Once installed, the Intel Core i5-9400F processor operates automatically within your system. Its performance is managed by the motherboard's BIOS/UEFI and operating system. The processor dynamically adjusts its frequency based on workload, utilizing Intel Turbo Boost Technology 2.0 to reach higher clock speeds when thermal and power conditions allow.
4.1 Pertimbangan Prestasi
- penyejukan: Adequate cooling is essential for sustained performance. The included stock cooler is sufficient for typical workloads, but an aftermarket cooler may provide better thermal performance under heavy loads.
- Ingatan: The processor supports DDR4 memory. Ensure your system uses compatible DDR4 modules for optimal performance.
- Grafik: Remember that a discrete graphics card is required for any display output. The performance of your graphics card will significantly impact overall system performance, especially in gaming and graphically intensive applications.
5. Penyelenggaraan
The Intel Core i5-9400F processor requires minimal maintenance. However, general system upkeep contributes to its longevity and stable operation.
- Penyingkiran habuk: Periodically clean dust from your computer case, especially around the CPU cooler and case fans, to maintain optimal airflow and cooling efficiency.
- Tampal Terma: If you notice consistently high temperatures, consider reapplying fresh thermal paste between the CPU and cooler. This is typically not required frequently.
- Kemas Kini Perisian: Keep your operating system, motherboard drivers, and BIOS/UEFI firmware updated to ensure compatibility and access to performance improvements or bug fixes.
6. Penyelesaian masalah
If you encounter issues with your Intel Core i5-9400F processor, consider the following common troubleshooting steps:
6.1 Isu dan Penyelesaian Biasa
- Tiada Output Paparan:
- Verify that a discrete graphics card is properly installed and connected to your monitor.
- Ensure all power cables (including the CPU 8-pin/4-pin power) are securely connected.
- Reseat the processor and RAM modules.
- Sistem Tidak Boot:
- Periksa semua sambungan kuasa ke papan induk dan komponennya.
- Confirm motherboard compatibility with the 9th Gen processor (Intel 300 Series chipset).
- Pastikan CPU dipasang dengan betul di soketnya.
- If a BIOS update was required, ensure it was performed correctly.
- Terlalu panas:
- Verify the CPU cooler is correctly installed and making proper contact with the CPU.
- Check that thermal paste was applied correctly.
- Pastikan kipas pendingin CPU berputar dan disambungkan ke pengepala CPU_FAN.
- Improve case airflow by managing cables and ensuring proper fan configuration.
- Ketidakstabilan/Ranap Sistem:
- Check for driver updates for your motherboard and graphics card.
- Jalankan alat diagnostik memori untuk memeriksa masalah RAM.
- Monitor CPU temperatures during operation.
For further assistance, refer to your motherboard manual or visit the official Intel support webtapak.
7. Spesifikasi
| Ciri | Spesifikasi |
|---|---|
| Model Pemproses | Intel Core i5-9400F |
| Nombor Model Item | BX80684I59400F |
| Teras / Benang | 6 Teras / 6 Benang |
| Kelajuan Jam Asas | 2.90 GHz |
| Kekerapan Turbo Maks | 4.10 GHz |
| Cache | 9 MB Intel Smart Cache |
| Jenis Soket | LGA 1151 |
| TDP (Thermal Design Power) | 65W |
| Grafik Bersepadu | Tiada (GPU Diskret Diperlukan) |
| Sokongan Jenis Memori | DDR4 SDRAM |
| Kelajuan Memori | Up to 2666 MHz (with XMP enabled) |
| Chipset Compatibility | Intel 300 Series Chipsets |
| Intel Optane Memory Support | ya |
| Dimensi Produk (LxWxH) | 4.57 x 2.76 x 3.98 inci |
| Berat Barang | 3.53 auns |
| Tarikh Mula-mula Tersedia | 7 Januari 2019 |
8. Waranti dan Sokongan
Intel processors are covered by a manufacturer's warranty. For specific warranty terms, duration, and conditions, please refer to the documentation included with your product or visit the official Intel webtapak.
8.1 Sokongan Teknikal
For technical assistance, driver downloads, or further product information, please visit the official Intel support webtapak:
https://www.intel.com/content/www/us/en/support.html
When contacting support, have your processor's model number (BX80684I59400F) and any relevant system information ready.





