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FermiumASMMinecraft mod for 1.12.2

1.12.2 Optimization and improvements mod, forked from NormalASM

client and servernewest supported release 1.12.2UtilityOptimization
Latest version
5.31
Minecraft
1.12.2
Java
Java 8+
Loader
Forge
Licence
LGPL-2.1-only
Downloads
111.6k
Updated
8 mo ago
Available on
Modrinth
Space NodeOur hosting

Host FermiumASM servers

One click and FermiumASM is installed with the right loader, on hardware built for it.

  • 1.12.2
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version FermiumASM declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.12.2Forge8+declared18 Sept 2017

Download

From FermiumASM’s own host. Nothing is re-hosted here.

Most recently published release

5.31release11 Mar 2026

fermiumasm-5.31.jar · 0.5 MB · for 1.12.2 · Forge

Download this release
00b7d9754456…
Older versions7
  • 5.285 Apr 20251.12.20.5 MB76.9k downloads2e0e906ff106…Get
  • 5.2315 May 20241.12.20.5 MB26.1k downloads01c6f4830076…Get
  • 5.2221 Apr 20241.12.20.5 MB1.5k downloads5cb25197efaf…Get
  • 5.2118 Feb 20241.12.20.5 MB914 downloadsa06cf98b5a03…Get
  • 5.2015 Feb 20241.12.20.5 MB268 downloads26edaafe44fe…Get
  • 5.1915 Feb 20241.12.20.5 MB213 downloadsacdf82042a88…Get
  • 5.185 Feb 20241.12.20.5 MB248 downloadsf3e744e74f65…Get

Frequently asked

Does FermiumASM work on Minecraft 1.12.2?

Yes. 1.12.2 is the newest Minecraft version FermiumASM declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install FermiumASM on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does FermiumASM support?

Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for FermiumASM?

Among the supported Minecraft releases above, the highest recorded requirement is Java 8 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is FermiumASM under?

LGPL-2.1-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install FermiumASM?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download FermiumASM safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Details from Modrinth, where the author last updated it on 11 Mar 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .