Reload to refresh your session. Choose your GPU type while installing HoloISO. Gamescope doesn’t like Intel iGPUs. Custom gamescope resolution overridance by setting properties in /usr/bin/holoiso-devicequirk-set or generating a quirk for your, unmaintained device by genquirks Pre-installed HandyGCCS. 0 desktop. 1947 Changes:. There are a few caveats for anyone wanting to try it out: the ISO only boots if written to a flash drive with one of four apps ( BalenaEtcher, RosaImageWriter, Fedora. 1-3 Done. I'm trying to install steam OS on my old desktop, no dual boot, just steam os. ago. Well, as is the traditional case with open-source forks in the Linux landscape of things, we’ve got another one: HoloISO. 12. After selecting the "Install holoiso" option. The usual Valve "later", but they have promised it's coming. 89. I was always curious to see if steam OS would actually provide a performance boost since it's an operating system geared towards gaming. The RX570 should work. ISO file: HoloISO_4. There have been other attempts to get an actual copy of SteamOS 3 to work on non-Steam Deck hardware like HoloISO, but hardware support is unreliable and, in the case of HoloISO, it only really. Barco MXRT-6700 (Radeon Pro WX5100) I flashed my San Disk USB drive with Etcher (latest image of HoloISO). install windows drivers from valve. 2 NVME that has Windows 11 and Ubuntu 22. That is what I thought. . HoloISO | Releases. 04 server iso, it boots without a problem. Thanks for the advice! As for the disk not showing up, that might be because HoloISO requires EFI BIOS so that might be the issue. Might be worth posting your issue and specs over on the Holoiso github and see what they say. ) if you have more than one storage device. Intel/nvidia support is injected into the OS by the Holoiso dev. ago. 4 (patched for ANV compatibility with Gamescope) and NVIDIA driver version: 530. Main point of this project focuses in re-implementing proprietary (as in runs-only-on. From the start menu, open Command Prompt as an administrator. You should focus on writing windows utilities for TDP control, fan control and controller config. 5” SSD that contains only HoloISO. boot into windows install USB (Vol - and power, choose USB drive) install windows into the free space created above. 0. Main point of this project focuses in re-implementing proprietary (as in runs-only-on. doc_willis. ago. During the first phase of bootup, this message appears in the virtual machine: Press F2 to enter SETUP, F12 for Network Boot, ESC for Boot Menu. partition 1 is EFI boot; partition 2 is root (btrfs) partition 3 is home (ext4)Given the sd845 can run skyrim on windows without issue, box86/64 has higher performance than the windows x86 to arm emulator, and the presumably lower overhead of arch/steamOS, I think steamOS or steamOS-like version of Arch might just run OK. I'm fairly sure that installing it on the steam deck will work just like vanilla SteamOS but with the benefits of it being busted wide open. Windows in particular has a record of wiping out GRUB when it updates*. loading. zip file to a blank, FAT32-formatted USB stick. The holoiso commands don't seem to exist. If I boot into recovery and type in steamos-session-select plasma-persistent in the terminal, it boots to desktop mode fine, but will either stay on desktop mode when I use the game mode icon, or when I use the konsole to go to game mode it will. 0 Recommendations for a 240hz 1440p monitor. I'm thinking about dual-booting it with one of the Linux distributions, but Google research only gives articles quite a few years old. Might be worth posting your issue and specs over on the Holoiso github and see what they say. I dual boot Manjaro (Linux 5. 21, Mesa version 22. I need to soend more time learning the shortcuts for sure. ago. I've been using ChimeraOS on my Win 4 for a few weeks now, basically works identically to the Steam Deck. 0. About a month ago I had talked about a portable Linux distro that gives a SteamOS 3-like experience: winesapOS. Go through the HoloISO install setup; Before we move on to installing the base Arch linux kernel, go to Settings in Game Deck Mode and try to install all the available. A separate. To determine which one is used, run the following command from Proxmox: Bash:New install, first boot from the ISO Update 3. Reload to refresh your session. Hi, I have 2021 Zephyrus g14 and I want a dual boot steam OS on my Zephyrus. r/emulation. sudo holoiso-grub-update # Updates holoiso grub configuration once more, just to be safe: echo "The script has finished running and sessions have been enabled. Business, Economics, and Finance. For whatever reason, I am finding it impossible to boot from the USB. The 2nd is a 2. To achieve its goal, HoloISO has had to dodge quite a few problems. I'm trying to install holoiso on a relatively new laptop. The ROG Ally has launched & in this video we're taking a brief look at the potential of Dual Boot, HoloISO. Proxmox VM 6700XT not running at 100% [Report] #823 opened on Sep 9 by MDevellis. 0 is now available for download! This release brings cleanup tools for orphaned data, file hash searching for the scraper, the ability to change systems sorting from the GUI and much more. created my own bootia32. On a PC with a mouse and keyboard you don't really get the benefits of that. This CPU came out just after Trinity in the Bulldozer days. NOT steam username. That said, 'tis better to love than to hate. Laptop: MSI GF63 8RD w/ NVIDIA gpu. Update languages. 3. Can someone tell me if this is possible? Vote. The OS will continue to grow as the development. In this video, I am going to show you how to install & run STEAMOS on yo. Practical_Screen2 • 8 mo. 6GHz, 4M cache) HoloISO is a project that allows us to install Valves SteamOS on just about any system, including the AMR5 MiniPC from our sponsor ACEMAGICIAN! Check it out:. Without those, as you have said, you can take any other distro, Install Steam, and use big picture mode, for nearly the same experience as HoloISO. This is a Bluetooth 5. 1454 Changes: - Use @ChimeraOS fork of Gamescope and force internal panel type as "External", which will allow switching resolutions and refresh rates, display scaling from Deck menu - Fix some stuff related to device quirk setup - Fix handygccs missing - Fix steamos-systemreport missing - Fix. The drive will appear as a single area of unallocated space. The current state of things would be HoloISO, haven't tried it myself but it's GitHub page is a fine read to begin with. iso of=/dev/sd (your flash drive) bs=4M status=progress oflag=sync, or by simply throwing ISO into Ventoy drive. someone on youtube was able to install steam os on the rog ally so i think install ubuntu should work. SteamOS 3 (Holo) archiso configuration. Join. None of these solutions are ideal imo, since there are bugs on the WM2 with Linux. 18 supports RDNA3, could be wrong though, suppprt may have been patched in an update? Hence the reply "pretty old Kernel". Print error: hub 4-0:1. using 5800u onexplayer mini, it is booting fine (minus issues with wifi attributable to core update problems) the orientation is 180 degrees upside down in steam deck ui mode. And if you really need a mutable workstation OS or something for certain things, dual booting is an option. Flash the ISO from releases using BalenaEtcher, Rufus with DD mode, or by typing sudo dd if=SteamOS. On the Deck, the system. . It *should* get you to a login screen (which can happen to be in a terminal, too), but if it doesn't it might be drivers issues. 1 Format the USB drive with FAT32; Format your USB drive in FAT32 type by system command or third-part tools. Edit 2: Just tried the 2nd option of holoISO boot (the one with parenthesis) and now it is getting past the initial 2 lines of text and just blank screening. Hi all, I'm trying to install HoloISO on my pc, I'm encountering problems, but this is not the main issue of this post. 6. 10: Reboot into neptune or holoiso kernel. When booting into HoloISO, about 50% of the time it will boot into Gamemode UI with no issues. Once the Steam Desktop is showing, double-click on Install Steam on machine. Yes, Gabe. . snapshot20220829. After the Debian installation, you can go ahead and install the Proxmox packages on Debian and use the Debian for Proxmox. While most of the Operating System files are on their separate partitions, their primary boot files still end up in the (shared) EFI boot partition. holoISO is basically someone took the recoveryUSB and hacked it to install as a regular distro. Holoiso will likely work again soon with Nvidia. Grabbed my userID, groupID and UUID of the btrfs partition and moved on to Windows. 3. 5. Problem is, that when system is booted and in that Steam-GamingMode, I can't change or select the proper monitor. conf (Don't just copy n paste you need to be on the drives directory looking for that) Once there delete all that shit and paste the once u copied from that link. HoloISO version snapshot20230823. Linux Mint ISO file Select Cinnamon. I’d still recommend the former over the latter, as winesapOS can be used on any device without installing,. Another I covered is HoloISO, which tries to stick quite closely to SteamOS 3 but winesapOS aims to be a bit more than that. What tools did you use to write the ISO to usb/bootable device? It might be set to Legacy or UEFI depending on how you imaged it. 1 iso where the update screen bootloops, and gamescope fails to run due to OS not setting the correct environment variables. can you dual boot? #219. You signed in with another tab or window. Boot camp also install some drivers from Apple's hardware, like keyboard etc; HFS+ or APFS disks probably will not be accessible in Windows until a third party program is used; There's, at least, two cases in that Boot Camp fails to install: (1) If Windows is booted without OpenCore and (2) if Boot Camp's installer folder was renamed. 20220829. ago I've read a few folks getting that black screen too. This approach requires you to partition your Steam Deck, dividing the SSD between Linux and Windows. 21K views 4 months ago #ROGALLY #SteamDeck. However at every boot, the system will boot into the first entry in grub, which is "SteamOS" and defaults to linux-neptune. • 1 yr. It ends in black screen. Select sda from the list of available disks. To fully upgrade from an old version the recommended method is: sudo pacman -Sy holoiso-updateclient steamos-update check && steamos-update now. Designed very much to be just like SteamOS, except with a bunch of added extras, it boots directly into Steam Big Picture Mode. Some issues exist though, like it not really working on NVIDIA GPUs and Intel needs some package downgrades. g. Download the SteamOS installation. Steam deck forums HoloISO page. It is responsible for loading the kernel with the wanted kernel parameters and any external initramfs images. Mount EFI system partition to /boot. 5” mechanical storage drive (formatted to NTFS for compatibility with both Windows and Linux). The developer also mentioned that if you're on a BIOS/legacy boot, to do a fresh install for the new bootloader. . We invite pull-requests to resolve such issues. SteamOS functions well on a toaster. Can not find the /. Run holoinstall. Okay I will give that another shot. The only reason it exists right now is because Valve does not yet officially support SteamOS 3 as a distro that you can go and install. (Like before. The fix was accidental. I pick dual boot. Apparently suspend-resume already works, but has. Thanks in advance. be sure to have backups of your stuff to a drive that is not plugged into the system. I know the GPD devices report the screen sideways because the hardware, but I don't know what to do, or even if an older version. You can UEFI64-boot directly from the ISO using Easy2Boot/agFM or grubfm. Since the boot stick doesn't have enough space for the base-devel package, you might build your own image as well. I can successfully install holoiso #1, but #2 (full desktop) fails. )HoloISO is a reverse engineered project, mainly done by a single dev. Beyond that, just follow Valve's instructions from their site , steps 7 onwards under "Custom Installation" - Ye Olde SteamOSe should behave exactly like the real SteamOS, except it works on. That said, 'tis better to love than to hate. Well, and I take no responsibility for your computer. 4K. (OS black screen after reboot/ returning from desktop mode) make sure you have uefi boot enabled. The ROG Ally has launched & in this video we're taking a brief look at the potential of Dual Boot, HoloISO & ChimeraOS Linux running on the ALLY!Buy ROG Ally. Everything worked well, but I realized there`s a much, much bigger benefit in terms of game resolution, and would like to set the system to load Linux Arch by default. 83. TIL: You can/need activate 60 FPS on your Xbox Series S/X (maybe PS5 too). I'm not sure if it'll let you dual boot though. install windows drivers from valve. Installation. install steam deck tools. Got a CF-19 with maxed-out RAM running Windows 10. HoloISO. But steam big picture works after reboot. which has "holoiso-main" package, WHICH is going to be used to deliver updates and new OS installation. I normally use both. Mileage will very much vary. Reply cyberseed-ops. Boot into ISO. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. Go to the file path /etc/default/grub. It appears that it tries to force the boot in gamescope on startup, so, to disable it you have to boot in the recovery mode of HoloISO (use the recoveryinit command to see options to disable. Ventoy is an open source tool to create bootable USB drive for ISO files. 3. 21. r/archlinux • Help installing grub to arch. Print error: hub 4-0:1. It sounds like you need to go to Settings in game mode and turn off those options. Do not update any packages in installer. HoloISO has a solution, as reported by Gaming on Linux . Ok I guess it depends on the hardware, I got no problems at all actually with 4. i checked out that. Tldr; try again with the new GPU but don't be surprised if the CPU is also too dated. X. Hello, I'm trying to install holoiso on on my pc on a 1tb M. Thoughts on Dual Booting HoloISO on SD DISCUSSION Hi all! Have an Air (non pro) coming early this week. Hello, first of all I'm new to the Proxmox world and I already know dual boot is possible. Boot into Windows. 0: config failed, hub doesn't have any ports! (err -19). Press F7 to enter UEFI BIOS and Disable Secure Boot -> Save changes and reboot while pressing F7, then select the USB Drive to boot into the HoloISO installation. Install worked fine, it seemed even though booting (safe boot is disabled in VCS bios) is slow almost certainly due to using a. Officially, from Valve, SteamOS is all AMD only. Thank you for your answer (and sorry for responding so late). The 2nd is a 2. 41. Due to an upstream bug, Bazzite cannot be used on Steam Decks with 64GB eMMC storage at this time. Choose your USB stick. Valve are talking about an official install option (including dual boot) later. 84 I have tested the above ISO file on my laptop and it boot OK in both Legacy BIOS mode and UEFI mode. SteamOS functions well on a toaster. To fully upgrade from an old version the recommended method is: sudo pacman -Sy holoiso-updateclient steamos-update check && steamos-update now. (if you can edit boot options you could try adding "nomodeset" and see if it boots to graphic safe mode) JulyIGHOR. Guess that's a dealbreaker for dual boot Reply rennon_ftv •. Valve are talking about an official install option (including dual boot) later. My laptop : CPU: i7. if you ever want to boot steam OS: from power off, hold (Vol - and power) and choose steamOS. 74 release ; Show the directory path in the return menu for TreeView mode and Browser mode. HoloISO. You should see the USB there, and can right click on the disk and try formatting it. I fiddled around with the resulting system a bit and managed to install Gnome on it, BUT there was a pipewire/glibc version issue. No point in dual booting if you are a Windows user and you're happy. Checksum it and compare with follows:If this is 4gb of RAM, it should be fine, but it may be slow. System will boot by default to windows. 0 disk (has flash HoloISO 4. Take your favourite hot beverage, and wait 'till it installs :3. 20 with partial. 5” SSD that contains only HoloISO. Unzip the SteamOS. Hopefully they come up with compatible driver for any Linux distros. Official Steam OS wont' start to install . 04 dual booted. Might I suggest looking at the Nabaro Project by Glorious Eggroll (creator of the Proton-GE builds)?Todays video I teach the easy way to dual boot a steam deck. The best HoloISO alternative is SteamOS, which is both free and Open Source. The reason I'd like to install HoloISO on my PC is to be able to use DXO Photolab on it while using linux and all the software I need for work. (I don't even have dual boot for Windows) and my project is to build a new PC dedicated to games and plugged to my TV like a console. with startup-manager you can. The only problem was that the software just wasn’t there. As for the degraded GPU performance after sleep. Chimeras focus is for couch-format gaming, and the desktop is just there for occasional use. 8. This isn't required on all GPD Win devices, but its recommended just to play it safe. 5. You can also add grubfm to your Ventoy USB drive if it is an MBR-partitioned drive: Make sure the Holo ISO file is contiguous (e. I was always curious to see if steam OS would actually provide a performance boost since it's an operating system geared towards gaming. Step 2: Fixing boot. Take your favourite hot beverage, and wait 'till it installs :3. Method 2; 5. So go with manjaro Linux or get a cheap rx 550 if you really want holo iso. ISO file: HoloISO_4. menuentry "Kubuntu" { insmod part_gpt insmod fat set root='hd0,gpt2' linux /boot/vmlinuz-5. • 1 yr. Release version 39 comes with Linux kernel 6. ago. The only issue is dual booting them both. Hi, I have 2021 Zephyrus g14 and I want a dual boot steam OS on my Zephyrus. 点击 这里 来加入 HoloISO 的官方 Telegram 更新频道 ; 点击 这里 来访问 Steam Deck 官方社区论坛上对 HoloISO 的讨论。 常见问题：ISO file: HoloISO_4. HoloISO has a solution, as reported by Gaming on Linux . Reboot after the installation. At the very least the R7 almost certainly isn't supported. iso of=/dev/sd (your flash drive) bs=4M status=progress oflag=sync. 13Ghz 4gb ram 16gb flash drive Integrated graphics (Says Intel HD in a few games which ig is normal) 256gb of storage. or if you prefer to see the menu for 1 second: GRUB_HIDDEN_TIMEOUT= GRUB_TIMEOUT=1. . I'm trying to install steam OS on my old desktop, no dual boot, just steam os. The Steam Deck display is stuck in portrait mode. You can buy stuff direct from Eagle Dynamics, ED get more money AND you get bonus points (miles) to earn a discount later on when buying stuff. SteamOS 3 INSTALL on ANY PC! Best Gaming Distro?? TechHut 176K subscribers Subscribe 331K views 1 year ago HoloISO is a project that allows us to. How To Dual Boot Steam Deck | SteamOS & WindowsHow To Triple/Quad Boot Steam Deck - ALLY Gameplay - If you want to dual boot, you’ll have to install holoiso first then do some magic to resize the holoiso partition and install the secondary one. 04 instead of a swap partition, so please ignore the obsolete advice that told you to. 12M subscribers Subscribe 223K views 1 year ago #steamdeck #etaprime #linux You Can Now Install Steam Deck OS on Any Laptop,. After installation completed, the PC didn't recognize any boot devices, even though I installed on my internal NVME drive? EDIT: I used the . Trying to boot the iso but it doesnt work. This udev service forces your machine to wait 2-3 minutes to make sure all hardware is fully loaded up which isn't necessary. I explain how I built 🪛 my Steam Console 🎮🐧 in the small Fractal Design Node 202 case using a Ryzen 4750G APU and Radeon RX 5700XT GPU, plus the considera. The only solution I have found is to pick the 90 degree counter clockwise option in display settings, but this. The one you have is based on the older GCN architecture. support. Open up Dolphin (file manager), navigate to. ROG ALLY SteamOS | Dual Boot, HoloISO, ChimeraOS Video 22 Sort by: Open comment sort options Add a Comment Tsuki4735 • 5 mo. There you need to click on 'Compatibility options' and then activate 'FPS boost' and you need to restart your game. Viewed 1k times 1 I don't have enough reputation to answer any question, so I decided to create a new one to share a solution to my problem. I've heard that HoloISO is not dual boot friendly, is it true? And with the update of SteamOS ( with variable screen resolution), I feel like Valve want the OS to work for any machine. Mileage will very much vary. Unsure if the BIOS will let you boot from the SD card though. ago. cfg but I am a beginner at these this and. Boot your machine and tell the BIOS to boot off the stick. HoloISO. It SHOULD open Steam, but not put you into gamemode. done. I use SteamDeck-Clover-dualboot to manage a dual boot. 0 em qualquer PC portátil. We attempted to mount it as a drive on the host, but it failed. Com HOLOISO é fácil instalar SteamOS 3. 0 ISO file). SteamOS 3 (Holo) archiso configuration. ago. Tldr; try again with the new GPU but don't be surprised if the CPU is also too dated. 1 its the most stable holoiso for me so far. The usual Valve "later", but they have promised it's coming. I will post a few pictures to show the problem. I deactivated the secure boot and I set it to UEFI and I set everything, in the installer arch it sees my hard drive but when I boot it to enter holoiso it doesn't do anything, it starts the laptop and after it does little, it actually says that it does not have a hard drive to open the system. ChimeraOS and HoloISO are two projects that are trying to get steam os on devices. but i had linux on the other drive, and was using rEFInd to dual boot. linux desde el 2000 aproximadamente y ya te digo que en cuanto publiquen oficialmente soporte para el dual boot (se que se puede. ) It will say it's updating, flash a message, and reboot. Last I saw Holo as an option to boot to 5. 8. So it's high probability that the ISO file was corrupted during you copy to the USB stick. HoloISO. To boot into the USB, you'll need to access the BIOS of the Aya Neo. Once in the desktop, double click the install shortcut on the desktop and go through the steps. On reboot, it has verifying Installation with a grey (empty) loading bar. Instead I prefer to create a Windows To Go, on a USB stick or on a SD card. Storage: 1TB Samsung 980 NVME. Budget SteamOS / HoloISO PC Build. It's still too early for running steam OS on the Ally, developers haven't had enough time to patch the bugs. A few versions before this one worked but ever since they added FSR support for Intel GPU's I've had this issue among a few others. Rufus: Creation tool: to install steamos holoiso on PCDownload link updated and hosted in our forum!I will keep the link up to date so you will find last release here always!d. 更新日志：. only gives the EFI shell :. Ventoy is an open source tool to create bootable USB drive for ISO files. Hello everybody. I had no issues booting the USB drive. The answer is still good and should fix the problem. Canal Secundario en Ingles: del Canal: @hoytehablode. The fact that it responded to numlock and ctrl+alt+del made me dig further, so I've managed to get an actual output on the console. He has resorted to installing a gaming-focused Linux distro called Chimera OS - he notes that the similar HoloISO platform was not booting up on his handheld unit. 89. 4 (patched for ANV compatibility with Gamescope) and NVIDIA driver version: 530. Installed WinBTRFS. Intel/nvidia support is injected into the OS by the Holoiso dev. My laptop : CPU: i7 1165g7 That location is accessible, the png can be replaced in steamOS without any extra tools. ¶ OtherHoloISO aims to be as close to the native SteamOS 3 experience as possible. . 1 seems to work best after running HoloISOHotfix. can you dual boot? #219. You can also add grubfm to your Ventoy USB drive if it is an MBR-partitioned drive: Make sure the Holo ISO file is contiguous (e. I was always curious to see. 2. I have a issue with the new Holoiso 4 and a GPD win 3 i7. We also tried rebooting the host and the VM, but the problem persisted. Tldr; try again with the new GPU but don't be surprised if the CPU is also too dated. Just make sure you have enough storage for both os l, atleast 1tb total. json; New ISO support (total 880+) 2022/04/28 --- 1. Set the CPU to 4 Cores and Ram to 4GB if it doesn't work Try switching to Android 11(Beta) or Android Version 7In addition to a stable Debian base, SteamOS features various third-party drivers and updated graphics stack, a newer Linux kernel with long-term support, and a custom graphics compositor designed to provide a seamless transition between Steam, its games and the SteamOS system overlay. Follow on-screen instructions. Step 2: Please click Clone Disk on the Tools page to continue. 15), where it does work. 0 on HX90G. Most of the code and packages, are straight from Valve, with zero possible edits, and the ISO is being built same rootfs bootstrap as all HoloISO installations run ; I have an NVIDIA G. conf on the drive u installed holo on. Please read the full post on GitHub, and please update me on the 6. I wanted to see if I could get SteamOS to boot and run on my Atari VCS, so I downloaded the latest stable HoloISO and installed it to a USB flash drive (256gb, USB 3. sudo nano etc/pacman. As Clover emulates a UEFI environment on BIOS systems, the steps for each type of system are similar. To verify the checksum, install GtkHash, and check if the SHA-256 result for the archive (so ventoy-X. Upon first boot, boot into recovery image and run "holoiso-disable-sessions" to disable sessions. The laptop is a Dell Latitude E5450 ( Service Tag: GC70T32; in case you want to look up specs) Specs: 5th Generation Intel Core i7-5600U (Dual Core, 2. Boot to recovery mode, type recoveryinit in, and reinstall gamescope by sudo pacman -Sy holoiso/gamescope And again, forgive me for my retardeness lmfao. Shut down the deck. There's currently a glitch for the 4. 1. Put the USB stick in your target machine. 16) with linux-holoiso (5. Reply UnsignedFoo. So if you want to dual boot, install holoiso first then resize partition and install the second OS. Edit 2: Just tried the 2nd option of holoISO boot (the one with parenthesis) and now it is getting past the initial 2 lines of text and just blank screening. Device: PC. I'm guessing the Live environment works because its running on a software framebuffer which the main OS itself doesn't support/use (would be useless for gaming). SteamOS’s exclusive GameScope + 6800U should make your device future proof for gaming for 5 years. Use diskpart to set up a single unformatted RAW partition which HoloISO should detect and install to. Unzip the SteamOS. Grub customizer will let you know what line needs fixing when you go back to try it again. ¶ Note for HoloISO Users. So if you restart from the desktop, it will boot back to the desktop. 0. 1. I bet someone will try dual boot soon. I created the bootable drive with Rufus. And make sure to never manually set resolution in the gamepad ui, it will make it not boot. Beyond that, just follow Valve's instructions from their site , steps 7 onwards under "Custom Installation" - Ye Olde SteamOSe should behave exactly like the real SteamOS, except it works on. So there must be something wrong when you tested it. ETA PRIME 1. Poweroff the device by running sudo poweroff. 5. • 2 days ago. Support has also been added for many new systems and emulators. Select sda from the list of available disks.