Dell Latitude E6420

*Specifications*
Manufacturer	Dell
Name	Latitude E6420
Variants	E6420 with Intel GPU supported
Released	2012
Chipset	Intel Sandy Bridge
CPU	Intel Core i3, i5 or i7
Graphics	Intel HD 4000 and unsupported Nvidia NVS 5200M
Display	1366x768/1600x900 TFT
Memory	4 or 8GB (Upgradable to 16GB)
Architecture	x86_64
EC	SMSC MEC5055 with proprietary firmware
Original boot firmware	Dell UEFI
Intel ME/AMD PSP	Present, neutered
Flash chip	2xSOIC-8, 6MiB (4MiB and 2MiB in combination)

W+: Works without blobs;
N: Doesn't work;
W*: Works with blobs;
U: Untested;
P+: Partially works;
P*: Partially works with blobs

*Features*
Internal flashing with original boot firmware	W+
Display (if Intel GPU)	W+
Display (if Nvidia GPU)	U
Audio	W+
RAM Init	W+
External output	W+
Display brightness	P+

*Payloads supported*
GRUB	Works
SeaBIOS	Works
SeaBIOS with GRUB	Works

Introduction

Libreboot 20231021 and releases newer than this have ROMs available for Dell Latitude E6420.

ROM images for Dell Latitude E6420 are available for flashing in the Libreboot releases after 20230625, or you can compile a ROM image for installation via lbmk, see: build instructions

Only the Intel GPU variants are supported, currently. All models with Intel GPU are assumed to work.

Unlike the E6400, this one does require a neutered Intel ME image to run. This means running it through me_cleaner before flashing; the Libreboot build system does this automatically, during build, or you can insert a neutered ROM image using the vendor scripts, see guide:

Insert vendor files

As with the E6400, this one is flashable in software, from Dell UEFI firmware to Libreboot. Please refer to the installation instructions.

To install Libreboot, see: E6420 installation instructions

Markdown file for this page: https://libreboot.org/docs/hardware/e6420.md

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