Dell EMC PowerEdge M640 BIOS and UEFI Reference Guide
Summary
This reference guide covers the BIOS and UEFI firmware for Dell EMC PowerEdge M640 blade servers (Part Number HHB Series). The manual documents pre-operating system management applications including System Setup, iDRAC Settings utility, Device Settings, and Dell Lifecycle Controller. It covers BIOS configuration options, boot settings, security features, and integrated Dell Remote Access Controller settings. Target users are system administrators and IT professionals configuring and managing Dell PowerEdge M640 blade server firmware in data center environments.
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Dell EMC Power Edge M640 BIOS and UEFI Reference Guide
Part Number: HHB Series Regulatory Type: HHB006 March 2022 Rev. A02
Page Summary Contents For Dell EMC PowerEdge M640 BIOS and UEFI Reference Guide
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Dell EMC Power Edge M640 BIOS and UEFI Reference Guide Part Number: HHB Series Regulatory Type: HHB006 March 2022 Rev. A02
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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 IP Enables or disables the Data Cache Unit (DCU) IP prefetcher. This option is set to Enabled by default. Prefetcher Sub NUMA Sub NUMA Clustering (SNC) is a feature for breaking...
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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 Table 1. PXE Device n Settings screen details Option Description Interface Specifies the NIC interface used for this PXE device. Protocol Enables you to select protocol IPv4 or IPv6...
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Option Description Table 2. HTTP Device n Settings screen details (continued) Option Description Root Certificate Configuration Import, delete or export the root certificate. UEFI i SCSI Enables you t...
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Option Description User Accessible Configures the user accessible USB ports. Selecting Only Back Ports On disables the front USB ports; USB Ports selecting All Ports Off disables all front and back US...
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Option Description Memory Mapped Enables or disables the support for the PCIe devices that need large amounts of memory. Enable this I/O above 4 GB option only for 64-bit operating systems. This optio...
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Option Description NOTE: Only Serial Device 2 can be used for Serial Over LAN (SOL). To use console redirection by SOL, configure the same port address for console redirection and the serial device. N...
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Option Description Memory Sets the speed of the system memory. You can select Maximum Performance, Maximum Reliability, Frequency or a specific speed. This option is set to Maximum Performance by defa...
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System Security You can use the System Security screen to perform specific functions such as setting the system password, setup password and disabling the power button. Viewing System Security To view...
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Option Description Intel(R) TXT Enables you to set the Intel Trusted Execution Technology (TXT) option. To enable the Intel TXT option, virtualization technology and TPM Security must be enabled with ...
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Creating a system and setup password Prerequisites Ensure that the password jumper is enabled. The password jumper enables or disables the system password and setup password features. For more informa...
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Steps 1. To enter System Setup, press F2 immediately after turning on or restarting your system. 2. On the System Setup Main Menu screen, click System BIOS > System Security. 3. On the System Secur...
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Redundant OS Control screen details The Redundant OS Control screen details are explained as follows: About this task Option Description Redundant OS Enables you to select a backup disk from the follo...
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Option Description System Time Enables you to set the time on the system. System Date Enables you to set the date on the system. Asset Tag Specifies the asset tag and enables you to modify it for secu...
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Boot Manager The Boot Manager screen enables you to select boot options and diagnostic utilities. Viewing Boot Manager About this task To enter Boot Manager: Steps 1. Power on, or restart your system....
Manual Details
| Brand | Dell |
|---|---|
| Pages | 27 |
| File Size | 204.28 KB |
| Published | June 26, 2026 |
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Frequently Asked Questions
How do I access the System Setup screen?
Power on or restart your system and press F2 immediately after you see the initial message.
Which key should I press to enter the Boot Manager?
Press F11 when you see the initial setup message. If the OS loads first, wait for completion and restart to try again.
What is PXE boot used for?
PXE allows you to remotely boot and configure networked systems using the Preboot Execution Environment.
Where can I update system BIOS settings?
You can access System BIOS through the System Setup main menu, which enables configuration of various system features.