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RISC-V Test Matrix
HiFive Unmatched

CPU

U740

RAM

16GB

CPU Core

SiFive U74 + SiFive S7

Armbian

armbian

Variant: noble

25.2.0-trunk.266

CFH
Last Update4/14/2025
Debian

debian

trixie/sid

BASIC
Last Update4/10/2025
Deepin

deepin

-

GOOD
Last Update4/5/2025
Fedora

fedora

38

BASIC
Last Update6/21/2024
FreeBSD

freebsd

14.2

BASIC
Last Update4/11/2025
OpenBSD

openbsd

7.6

BASIC
Last Update4/11/2025
openEuler

openeuler

Variant: LTS

24.03-LTS-SP2

BASIC
Last Update10/24/2025

24.09

GOOD
Last Update4/11/2025
openKylin

openkylin

1.0

GOOD
Last Update4/5/2025
openSUSE

opensuse

-

BASIC
Last Update6/21/2024
OpenWrt

openwrt

24.10.0

BASIC
Last Update4/11/2025
Ubuntu

ubuntu

24.10

BASIC
Last Update4/11/2025

Variant: LTS

24.04.2

BASIC
Last Update4/11/2025
Zephyr

zephyr

v3.6.0

BASIC
Last Update6/21/2024

Source: Support Matrix