Asus

Asus X421JA

BoardviewBIOS
Revisions
Rev 2.0, Rev 2.1
Files
7
Updated

This page collects service files for the Asus X421JA board, fitted to the Asus X421JA.

The catalog has 1 boardview file and 6 BIOS files for it, posted between 2023 and 2026 across 3 Telegram channels. Each download button opens the original Telegram post.

File names mention 2 board revisions (Rev 2.0 and Rev 2.1). Check the revision printed on your PCB before relying on a boardview or flashing a BIOS dump — How to Open .FZ Boardview Files explains why it matters.

The boardview comes in .FZ format. OpenBoardView (free) usually opens these files; FlexBV works too. See How to Open .FZ Boardview Files.

BIOS notes: file names mention 16 MB chip sizes; 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.

Compatible models

Files for Asus X421JA

Boardview files 1 All boardview files →

BIOS and firmware 6 All bios and firmware →

Notes from the source posts

  • ASUS X421JA R2.1 i5-1005G1 TESTED BIOS OKOKOK
  • ┄┅┅••⋆°𓄼 𓄹°⋆••┅┅┄
  • You can give us as a gift.

Frequently asked questions

Which revision of Asus X421JA do I have?
Files for this board mention Rev 2.0 and Rev 2.1. 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.
How do I open the Asus X421JA boardview file?
The boardview for Asus X421JA is available as .FZ. .FZ usually opens in OpenBoardView (free) or FlexBV. See What Is a Boardview File and Why You Need One.
What should I check before flashing the Asus X421JA BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 16 MB images; the dump size must match your chip. 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