Dell · laptop motherboard

Dell Inspiron 5420 DA0R08MB6E2

SchematicBIOS
Board code
DA0R08MB6E2
Platform
Quanta R08
Made by
Quanta
Revisions
Rev E
Files
4
Updated

Dell Inspiron 5420 DA0R08MB6E2 is a laptop motherboard designed by Quanta and used in the Dell Inspiron 5420, Dell 14Z-5420 and Dell 14R-7420.

The catalog has 1 schematic and 3 BIOS files for it, posted between 2018 and 2021 across 3 Telegram channels. Each download button opens the original Telegram post.

The files are marked Rev E; other revisions of the same board can differ in parts and layout.

The schematic is a PDF; the first pages usually hold the block diagram and the power sequence. New to schematics? Start with How to Use a Schematic and a Boardview Together.

BIOS notes: versions with a cleaned ME region are included. Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.

Also listed under platform Quanta R08.

Compatible models

  • Dell Inspiron 5420
  • Dell 14Z-5420
  • Dell 14R-7420

Files for Dell Inspiron 5420 DA0R08MB6E2

Schematics 1 All schematics →

BIOS and firmware 3 All bios and firmware →

Notes from the source posts

  • DELL-14z-5420 DA0R08MB6E2 Quanta R08
  • BIOS:25Q64FVSIG5420

Frequently asked questions

Which laptops use the DA0R08MB6E2 motherboard?
File names in the catalog tie DA0R08MB6E2 to the Dell Inspiron 5420, Dell 14Z-5420 and Dell 14R-7420. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
Which revision of DA0R08MB6E2 do I have?
Files for this board mention Rev E. The revision is printed on the PCB silkscreen, usually next to the board code. Pick files with the same revision when you can; if yours is not listed, the closest revision is usually fine for the schematic but check part positions in the boardview carefully.
What should I check before flashing the DA0R08MB6E2 BIOS?
Read the original chip with a programmer and save two copies before writing anything. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.

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Files are hosted on Telegram by third parties; ExcitingSpas.com only links to public posts. Check that a file matches your board before using it. Disclaimer · Report a file