Unmatched desktop builds

Glad to hear your board is fine.

yea, it took all night to build all the emulator cores, ive tested genesis/megadrive and snes, i wanted to try some psx/n64 soon

only a few of the cores couldnt build (such as dosbox and ffmpeg)

they seem to all run pretty well (though not while running a compilation on all cores concurently)

My first run of the unmatched (still with the Radeon which I replaced with an RX550 by now).
Hooked up to a Nexdock2 to have the mouse+keyboard and big screen for the ssh and research work (still).


Thank you SiFive for this step!

Small updates in a second video.

I have already made the switch to KDE in real time, though this 2nd video, and probably a third one eventually, are all footage of installing and playing around programming while on the Gnome desktop from the original install.

I’m finding I prefer KDE on the unmatched, and I went with kde-full to see what all came along and how it worked. But man…if you thought epiphany struggled, it looks like a champ compared to how poor Konqueror is doing on the Unmatched. Not just speed, but Konqueror is not rendering pages with near the fidelity that epiphany was.

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I suspect there is no functional JavaScript compiler for RISCV. At least chromium doesn’t have a RISCV backend yet and a browser nowadays is a big compiler!

V8 is not fully baked on RISCV and V8 beats WebKitGTK, but yes, it would be interesting to know if WebKitGTK on RISCV has shortcomings even compared to WebKitGTK on ARM or on Intel.

I am not up on the latest intricacies of javascript engine since I’m mostly backend development and don’t use Node. I have watched some videos on the RISCV work on a port, but don’t recall the exact status.

I ran some trivial node programs on the Unmatched already to test this version of node, but I haven’t documented that yet.

My Haiku RISC-V desktop. Graphics card is Radeon R7-250. Tablet on left side is used as UART terminal.


Screen with Haiku:

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That is a gigantic case for the tiny Unmatched board but I guess it is a nod to the old BeOS cases from 20 years ago.

I haven’t found small case that can fit PCIe graphics card and not unreasonably expensive.

I found an old school full tower case at the thrift store and built my unmatched in that with an Rx 570 and some LED fans and RGB strip for flare. I have an nvme in there but haven’t gotten around to booting the system from that yet.

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Am trying to make a CASE of 230x200x125mm, expense is expected to be <20$ if cut from acrylic plate.


230mm because I’ve a 220cm RX580, could be shortened to 175mm without it.

I’ll share the design file when finished, with photo of unmatched installed, for you to customize.
You can use aluminium plate if budget allows.

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  • Case: Silverstone SST-RVZ03B-ARGB
    • HiFive1 Freedom E310 development board (case LED control)
  • Motherboard SiFive Unmatched + stock cooler
  • GPU: Asrock Radeon RX550 2G
  • SSD: Samsung 970 EVO Plus 2TB M.2
  • PSU: be quiet System Power 9 500W
  • KALEA-INFORMATIQUE M2 E Key Adapter card to PCIe 1x / USB
    • DeLock USB 3.0 19 pin PCI Express x1 card (for case USB)

The system boots RISC-V Debian from NVMe, with a manually configured kernel (based on freedom-u-sdk’s) to enable some things like Wacom tablet support. I’ve installed a AMD RX550 GPU, driving a run of the mill HDMI monitor. It can do 1920×1080 video playback with VLC, sound works great through HDMI as well. 3D rendering with OpenGL works. Vulkan doesn’t (due to lack of mesa-vulkan for Debian RISC-V) Vulkan works but you might need to build the driver yourself.

As desktop environment I’m using wayland+sway.

Currently I’m mostly using it for RISC-V software development, as well as testing whether certain software runs on RISC-V.

This case actually contains two SiFive RISC-V boards :smile:. I ditched the stock 8051-based case led controller for a HiFive1 Rev A (which can do the required 5V I/O). It runs a firmware that takes commands over USB serial and drives a WS2812 led strip through the built-in SPI peripheral. The board is overpowered for this but it might be useful for other embedded controller tasks later.

Edit: I’ve now open-sourced the firmware here: GitHub - vmedea/hifive1-argb-fx: HiFive1 as ARGB led controller board

See it below running the FREE (and awesome) game Lure of the Temptress.

Nice to see that ScummVM games work.

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How do we get mesa-vulkan?

Finally got it, in 3mm acrylic plate. Cost of the 6 plates is $4.1.


Case design in FreeCAD

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