Dell EMC PowerEdge T640 BIOS and UEFI Reference Guide
Summary
This BIOS and UEFI reference guide for the Dell EMC PowerEdge T640 tower server documents pre-operating system management applications including system setup options, System BIOS configuration details, iDRAC Settings utility parameters, and Device Settings management. The guide covers viewing and navigating system setup screens with detailed descriptions of each configuration option. Part number E47S series and regulatory type E47S001 are identified. Published December 2020 for system administra
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Dell EMC Power Edge T640 BIOS and UEFI Reference Guide
Part Number: E47S Series Regulatory Type: E47S001 December 2020 Rev. A00
Page Summary Contents For Dell EMC PowerEdge T640 BIOS and UEFI Reference Guide
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Dell EMC Power Edge T640 BIOS and UEFI Reference Guide Part Number: E47S Series Regulatory Type: E47S001 December 2020 Rev. A00
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Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of d...
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Contents Chapter 1: Pre-operating system management applications...........................................................4 Options to manage the pre-operating system applications.......................
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Pre-operating system management applications You can manage basic settings and features of a system without booting to the operating system by using the system firmware. Topics: Options to manage the ...
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System Setup details The System Setup Main Menu screen details are explained as follows: Option Description System BIOS Enables you to configure BIOS settings. i DRAC Settings Enables you to configure...
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Option Description Network Settings Provides options to manage the UEFI network settings and boot protocols. Legacy network settings are managed from the Device Settings menu. Integrated Provides opti...
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Option Description System Service Specifies the system Service Tag. Tag System Specifies the name of the system manufacturer. Manufacturer System Specifies the contact information of the system manufa...
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Option Description System Memory Specifies whether the system memory tests are run during system boot. Options are Enabled and Testing Disabled. This option is set to Disabled by default. Dram Refresh...
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Processor Settings You can use the Processor Settings screen to view the processor settings and perform specific functions such as enabling virtualization technology, hardware prefetcher, logical proc...
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Option Description DCU Streamer Enables or disables the Data Cache Unit (DCU) streamer prefetcher. This option is set to Enabled by Prefetcher default. DCU IP Enables or disables the Data Cache Unit (...
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SATA Settings You can use the SATA Settings screen to view the settings of SATA devices and enable SATA and PCIe NVMe RAID mode on your system. Viewing SATA Settings To view the SATA Settings screen, ...
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Viewing NVMe Settings To view the NVMe Settings screen, perform the following steps: Steps 1. Power on, or restart your system. 2. Press F2 immediately after you see the following message: F2 = System...
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Boot Settings details About this task The Boot Settings screen details are explained as follows: Option Description Boot Mode Enables you to set the boot mode of the system. CAUTION: Switching the boo...
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NOTE: For the latest information about supported operating systems, go to www.dell.com/ossupport. Changing boot order About this task You may have to change the boot order if you want to boot from a U...
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Option Description PXE Device n Enables you to control the configuration of the PXE device. Settings(n = 1 to 4) UEFI HTTP Options Description Settings HTTP Device (n = Enables or disables the device....
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Integrated Devices details About this task The Integrated Devices screen details are explained as follows: Option Description User Accessible Configures the user accessible USB ports. Selecting Only B...
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Option Description Memory Mapped When set to 12 TB, the system maps the MMIO base to 12 TB. Enable this option for an OS that requires I/O Base 44 bit PCIe addressing. When set to 512 GB, the system m...
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Serial Communication details About this task The Serial Communication screen details are explained as follows: Option Description Serial Enables you to select serial communication devices (Serial Devi...
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3. On the System Setup Main Menu screen, click System BIOS. 4. On the System BIOS screen, click System Profile Settings. System Profile Settings details About this task The System Profile Settings scr...
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Option Description Link Power Management PCI ASPM L1 Link Enables or disables the PCI ASPM L1 Link Power Management. This option is set to Enabled by default. Power Management System Security You can ...
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Option Description Table 3. TPM 1.2 security information Option Description TPM Information Changes the operational state of the TPM. This option is set to No Change by default. TPM Firmware Indicates...
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Option Description Table 5. TPM Advanced Settings Details (continued) Option Description provisioning operations. This option is set to Disabled by default. TPM PPI Bypass Clear When set to Enabled al...
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Option Description Options Description BIOS performs signature verification on pre-boot images. BIOS also logs the results in the image Execution Information Table, but approves the images whether the...
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Steps 1. Power on or reboot your system. 2. Type the system password and press Enter. Next steps When Password Status is set to Locked, type the system password and press Enter when prompted at reboot...
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Redundant OS Control In the Redundant OS Control screen you can set the redundant OS information. This enables you to set up a physical recovery disk on the system. Viewing Redundant OS Control To vie...
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Miscellaneous Settings You can use the Miscellaneous Settings screen to perform specific functions such as updating the asset tag and changing the system date and time. Viewing Miscellaneous Settings ...
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For more information about using i DRAC, see Dell Integrated Dell Remote Access Controller User's Guide at www.dell.com/ poweredgemanuals. Device Settings Device Settings enables you to configure the ...
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Menu item Description One-shot Boot Enables you to access boot menu, where you can select a one-time boot device to boot from. Menu Launch System Enables you to access System Setup. Setup Launch Lifec...
Manual Details
| Brand | Dell |
|---|---|
| Pages | 28 |
| File Size | 202.90 KB |
| Published | June 15, 2026 |
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Frequently Asked Questions
How do I access the System Setup screen using the keyboard?
Power on or restart your system and press F2 immediately after seeing the initial message.
If I want to select a one-time boot device, which menu should I use?
Use the One-shot UEFI boot menu available in the Boot Manager main menu.
How can I configure BIOS settings for my system?
Access System Setup (by pressing F2) and navigate to 'System BIOS' within the options.
What is PXE boot used for?
PXE (Preboot Execution Environment) allows you to remotely boot and configure networked systems. You press F12 during POST to access this option.