---
title: IC-OS UEFI Configuration — Gen-2 Dell
slug: uefi-config-gen-2-dell
description: BIOS and UEFI settings for Gen-2 Dell node machines — processor, boot mode, integrated devices, system security, and miscellaneous settings required by IC-OS.
tags:
  - node-provider
  - deployment
  - uefi
  - bios
  - gen-2
  - dell
  - hardware
date: 2026-05-04
related:
  - node-provider-documentation
  - node-deployment-gen-2
  - node-hardware-guide
  - node-deployment-troubleshooting
---

This runbook configures the BIOS/UEFI on a **Gen-2 Dell** server so
that IC-OS can install and run correctly. It is the BIOS-side step of
the [Node Deployment Guide (Gen-2)](/wiki/node-deployment-gen-2/) — at
section 9, "UEFI setup and boot menu", you should branch here, complete
the steps below, then return to the deployment guide and continue to
step 10.

> [!WARNING]
> Do **not** enable the RAID BIOS setting. RAID will break IC-OS
> installation.

## 1. UEFI — Enter System Setup

1. Reboot or power on the server.
2. Watch for the **blue screen** with boot options in the top-left
   corner.
3. Press **F2** a couple of times once the options are listed.
4. If the keypress is recognized, the screen highlights *Entering
   System Setup*.

## 2. UEFI — Check version

1. From System Setup, select **System BIOS** and press Enter.
2. From System BIOS, select **System Information** and press Enter.
3. Verify the **System BIOS Version is at least 2.8.4**.

> [!WARNING]
> If the BIOS version is below **2.8.4**, abort this configuration and
> [update the BIOS](https://www.dell.com/support/kbdoc/en-us/000128194/updating-firmware-and-drivers-on-dell-emc-poweredge-servers)
> first.

4. Select **Back** to return to System BIOS.

## 3. UEFI — Processor Settings

1. From System BIOS, select **Processor Settings** and press Enter.
2. Set **Logical Processor** to **Enabled**.
3. Set **Virtualization Technology** to **Enabled**.
4. Set **NUMA Nodes Per Socket** to **0**.
5. Set **Secure Memory Encryption** to **Enabled**.
6. Set **Minimum SEV non-ES ASID** to **253**.
7. Set **Secure Nested Paging** to **Enabled**.
8. Set **SNP Memory Coverage** to **Enabled**.
9. Set **Transparent Secure Memory Encryption** to **Disabled**.
10. Select **Back** to return to System BIOS.

## 4. UEFI — Boot Settings

1. From System BIOS, select **Boot Settings** and press Enter.
2. Set **Boot Mode** to **UEFI**.
3. Select **Back** to return to System BIOS.

## 5. UEFI — Integrated Devices

1. From System BIOS, select **Integrated Devices**.
2. Set **SR-IOV Global Enable** to **Enabled**.
3. Select **Back** to return to System BIOS.

## 6. UEFI — System Security

1. From System BIOS, select **System Security**.
2. Set **TPM Security** to **On**.
3. Set **TPM Hierarchy** to **Enabled**.
4. Select **TPM Advanced settings**.
5. Set **TPM2 Algorithm Selection** to **SHA256**.

## 7. UEFI — Miscellaneous Settings

1. From System BIOS, select **Miscellaneous Settings**.
2. Set **F1/F2 Prompt on Error** to **Disabled**.
3. Select **Back** to return to System BIOS.
4. Select **Finish** and press Enter.
5. Select **Yes** to save the changes and press Enter.
6. Select **OK** and press Enter.
7. Confirm the exit and press Enter. The system will reboot.

> [!WARNING]
> Do **not** unplug the IC-OS USB stick during this reboot.

## 8. Boot Manager — Enter Boot Manager

1. Watch for the blue screen with boot options in the top-left corner.
   Press **F11** a couple of times once the options are listed.
2. If recognized, the screen highlights *Entering Boot Manager*.
3. From the Boot Manager, select **One-shot UEFI Boot Menu** and press
   Enter.
4. From the Boot Menu, select your **USB device** and press Enter.

## Return to the deployment runbook

- If you are following the **non-HSM** path, return to
  [Node Deployment Guide (Gen-2)](/wiki/node-deployment-gen-2/) at
  section 9, "UEFI setup and boot menu", and continue to step 10.
- If you are following the **legacy HSM** path, return to
  [Node Deployment Guide (Gen-1, with HSM)](/wiki/node-deployment-gen-1/)
  at section 9 and continue to step 10.

## Related

- [Node Deployment Guide (Gen-2)](/wiki/node-deployment-gen-2/) — the
  full deployment runbook this configuration is part of.
- [Node Provider Machine Hardware Guide](/wiki/node-hardware-guide/) —
  hardware specifications by generation.
- [Troubleshooting Node Deployment Errors](/wiki/node-deployment-troubleshooting/)
  — what to do if installation fails after BIOS configuration.
- [IC-OS UEFI Configuration — Gen-2 Supermicro](/wiki/uefi-config-gen-2-supermicro/)
  — sibling configuration for Supermicro hardware.