Chapter 3

DRAM RAS# Precharge:

This item controls the idle clocks after issuing Precharge command to the DRAM.

System BIOS Cacheable:

Enabling this function allows caching of the system BIOS ROM at F0000h-FFFFFh, which results in better system performance. However, if any program writes to this memory area, a system error may result. It is advised to leave it in default setting. Caching the system BIOS results in better performance than shadowing the system BIOS.

Video BIOS Cacheable:

Enabling this function will allow caching of the video BIOS, resulting in better system performance. However, if any programs write to this memory area, a system error may occur.

Delayed Transaction:

Available options: [Disabled] and [Enabled].

Delay Prior to Thermal

Available options: None, 4, 8, 16, and 32 min.

AGP Aperture Size (MB):

This function determines the amount of system memory that is given to the AGP card. Options range from 4MB to 256MB. This is a dynamic memory allocation in that the AGP card will only use the amount of memory that it needs. The remaining unused memory is also available for system usage. For example, if 16MB is allocated to the AGP card and the card only needs 8MB, the remaining 8MB will be available for system usage.

Flash BIOS Protection:

The motherboard manufacturer developed BIOS protection technology that protects the System BIOS from accidental corruption by unauthorized users or computer viruses. When enabled, the BIOS data cannot be changed when attempting to update BIOS with the FLASH utility and vice versa.

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Intel 9EJL4 Dram RAS# Precharge, System Bios Cacheable, Video Bios Cacheable, Delayed Transaction, Delay Prior to Thermal
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9EJL4 specifications

The Intel 9EJL4 is a compact and versatile embedded processor specifically designed for edge computing applications. Based on Intel's cutting-edge architecture, it offers a unique blend of power efficiency, performance, and connectivity options, making it ideal for a variety of industries, including industrial automation, retail, healthcare, and smart cities.

One of the standout features of the 9EJL4 is its support for Intel’s Advanced Vector Extensions (AVX), which enhances its capability to handle complex calculations and data-heavy workloads efficiently. With multiple cores and threads, this processor can manage parallel tasks effectively, ensuring smooth operation in multi-threaded scenarios.

Power consumption is a critical consideration for embedded systems, and the Intel 9EJL4 excels in this aspect. It operates within an efficient thermal envelope, allowing it to maintain optimal performance while minimizing power draw. This makes it suitable for applications where power sourcing is limited or battery life is a crucial factor.

The architecture of the 9EJL4 supports Intel’s integrated graphics, which provide robust visual performance without the need for a dedicated GPU. This feature is particularly beneficial for applications requiring video processing or graphical interfaces, as it allows for seamless multimedia experiences.

Connectivity is another important aspect of the Intel 9EJL4. It supports various I/O interfaces, including USB, SATA, and PCIe, facilitating seamless integration with existing systems and enabling communication with a wide range of devices. Additionally, with support for high-speed network connectivity options such as Ethernet, the 9EJL4 can be part of IoT networks, enabling real-time data processing and analysis.

Furthermore, the processor is built with durability in mind, characterized by a robust design that can operate in various environmental conditions. This makes it suitable for deployment in harsh settings where other components might fail.

In summary, the Intel 9EJL4 stands out in the embedded processing market due to its performance, energy efficiency, and comprehensive connectivity options. These characteristics make it an excellent choice for developers looking to build reliable, high-performance systems tailored for modern applications across diverse industries.
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