Item

How is data input to this memory?

How is this memory write protected?

 

 

 

Planer

 

 

 

 

 

PCH Internal CMOS RAM

BIOS

N/A – BIOS only control

 

 

 

BIOS SPI Flash

SPI interface via iDRAC

Software write protected

 

 

 

iDRAC SPI Flash

SPI interface via iDRAC

Embedded iDRAC subsystem firmware

 

 

actively controls sub area based write

 

 

protection as needed.

 

 

 

BMC EMMC

NAND Flash interface via iDRAC

Embedded FW write protected

 

 

 

CPU Vcore and VSA

Once value are loaded into register

There are passwords for different sections of

Regulators

space a cmd writes to nvm.

the register space

 

 

 

System CPLD RAM

Not utilized

Not accessible

 

 

 

System Memory

System OS

OS Control

 

 

 

Power Supplies

 

 

 

 

 

PSU FW

Different vendors have different

Protected by the embedded microcontroller.

 

utilities and tools to load the data to

Special keys are used by special vendor

 

memory. It can also be loaded by

provided utilities to unlock the ROM with

 

Dell Update Package from LC or OS

various CRC checks during load.

 

(Windows and Linux)

 

 

 

 

4x3.5" Backplane

 

 

 

 

 

SEP internal flash

I2C interface via iDRAC

Program write protect bit

 

 

 

8x2.5" Backplane

 

 

 

 

 

SEP internal flash

I2C interface via iDRAC

Program write protect bit

 

 

 

NOTE: For any information that you may need, direct your questions to your Dell Marketing contact.

______________

© 2013 Dell Inc.

Trademarks used in this text: Dell™, the DELL logo, and PowerEdge™ are trademarks of Dell Inc.

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Dell R420 manual Bios, Dell Inc

R420 specifications

The Dell E18S001, E18S, and R420 are notable products within Dell's extensive portfolio, catering to diverse computing needs, ranging from high-performance business applications to gaming and creative workloads.

The Dell E18S001 is designed with portability in mind, making it an ideal choice for professionals who need to work on-the-go. It boasts a sleek design with a lightweight frame, making it easy to transport. Powered by the latest Intel processors, the E18S001 offers exceptional performance for multitasking and running resource-intensive applications. With a vibrant display, users enjoy sharp graphics and vivid colors, perfect for graphic design or media consumption. Furthermore, it supports ample RAM and storage options, ensuring users can store important files and run multiple applications smoothly.

The E18S model focuses on delivering a balanced performance, supporting both business and everyday tasks. It features a durable build that can withstand daily wear and tear, making it suitable for office environments. This model is equipped with advanced connectivity options, including USB-C and HDMI ports, enabling seamless integration with various peripherals. Enhanced security features, such as a fingerprint reader, ensure that sensitive information remains protected, making it an attractive choice for corporate users.

On the other hand, the Dell R420 is a powerful server designed for enterprise-level performance. It is compatible with the Intel Xeon processor family, which is known for its reliability and efficiency. The R420 supports a high capacity of memory and offers flexible storage configurations to meet the demands of virtualized workloads and data-intensive applications. It also incorporates advanced management tools, allowing IT administrators to monitor and manage the system effectively. With its energy-efficient design, the R420 helps reduce operational costs while maintaining powerful performance.

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