This is all brand new hardware so surely it should be able to go 100% UEFI. Go back to Boot Manager, and change Boot Sequence so that the legacy USB device is set as the first one. Please do,. Do not launch Launch Storage OpROM Policy : Legacy only Launch Video OpROM Policy : Legacy only. Would it be the Launch CSM option?Business, Economics, and Finance. Sélectionner le paramètre de lancement de la stratégie OpROM PXE. UEFI only . BIOS modules (PCI ROM, EFI and others). Windows 10 already has Microsoft's own NVMe driver. Whenever I feel unmotivated or fustrated with the workload, I just open my bank app, check my account balance and remember why I started OE in the first place. Launch Video OpROM policy [Enabled] [Legacy only] [Legacy only] [Legacy only] Enable to launch the . The default value is [Legacy only]. 1, you will need to make a partition for Windows 7 x64 after the 350mb Windows 8. Exit Screen. Page 59 Launch Video OpROM policy (Legacy only) This controls the execution of UEFI and Legacy Video OpROM. #3. 前言 - ecs . Press to save the settings and exit setup. edit4: hmmm i guess not quite. A web search on acceptable use policy for security video will provide many dozens of acceptable use policies, mostly from schools, universities and city/county/federal organizations but also a few. 3 BIOS Setup 86 Option RO - Yumpu. Vaya a Advanced -> USB Configuration y configure Third Party USB 3. A. Controls the execution of UEFI and Legacy . Launch Storage OpROM policy: Controls the execution of UEFI and Legacy storage. CSM (Compatibility Support Module): CSM: Enabled Launch PXE OpROM Policy : Legacy only Launch Storage OpROM Policy : Legacy only Launch Video OpROM Policy :. 設置項進行設. Launch CSM . Share and save. Any edits you make will be automatically applied to all claims using that policy. Enables or disables Quiet Boot option. Disabling CSM from bios, at the first boot all would seem solved, but if I keep the computer off for some time, the CSM automatically returns enabled by setting the Video OProm Policy equal "legacy" instead of "uefi only" with four additional beeps (8 total) at the first boot. Do not launch. 1 / 8 HDD Capacity Over 2. Our OpRom driver must implement an entrypoint function (similar to main ()). theog said: sinoranhy said: theog said:. This option controls if. At that time all 6 USB ports were functional. In the following screenshot, you can see where the Boot Entry in located: Entering the UEFI Boot Entry manually in BIOSLaunch PXE OpROM policy . Launch PXE OpROM policy . Launch PXE OpROM policy. Load Onboard LAN1 OPROM / Load Onboard LAN2 OPROM. Other PCI device ROM priority . Video OpROM. Other PCI device ROM priority: For PCI devices other than network, mass. Controls the execution of UEFI and Legacy Storage OpROM. M. Remove the six screws on the sides that are used to secure the white cover to the chassis. not launch] [UEFI only] [Legacy only] [Legacy first] [UEFI first] Other PCI device ROM priority [Legacy OpROM]Kontron KTQM67-mITX User Manual • 2 csm parameters, Csm parameters, Bios - boot • Kontron HardwareKTD-N0829-E Page 126 BIOS - Chipset. Wednesday, April 3, 2019. None of these seem to do anything when I change them, I still end up booting in Legacy mode. Save and reset the BIOS. OpROM execution, boot options, filter, etc. i7-6700 asrock b250m hdv ramaxel lenovo 8gb 2400mhz samsung 512gb ssd I accidently setting all Launch PXE OpROM Policy, Launch Storage OpROM Policy, Launch Video OpROM Policy from legacy to Do not Launch PC on, Fan on, Keyboard On, Monitor no display also before this happened, whenever I. I'm not seeing anything about secure boot. And just need set Video OpRom policy to UEFI, everything works fine, when it is using GOP, the rest of CSM is not important. So this situation, if I do not use Windows and SATA port, I have perfect resizable BAR enabled. 17. to UEFI only, but leave CSM Enabled. Launch Storage OpROM Policy -> Do not launch. Page 93: Launch Storage Oprom Policy Z270 Extreme4 Boot Failure Guard Message If the computer fails to boot for a number of times the system automatically restores the default settings. Please do not disable unless you’re running a WHCK test. 0: DMAR: 32bit DMA uses non-identity mapping kernel: resource sanity check: requesting [mem 0x000c0000-0x000fffff], which spans more than PCI Bus 0000:00 [mem 0x000d0000-0x000d3fff window] kernel: caller. 0. 2 TB Ultra Fast Boot Enabled Enabled Disabled Disabled Option ROM Setting n/a n/a UEFI SETUP UTILITY BootCSM [Launch Storage OpROM policy] =. both close My Computer. Launch CSM. Determine OpROM execution policy for devices other than Network, Storage, or Video. Booted again. Launch Video Oprom Policy. CSM (Compatibility Support Module): CSM: Enabled Launch PXE OpROM Policy : Legacy only Launch Storage OpROM Policy : Legacy only Launch Video OpROM Policy : Legacy only. Launch PXE OpROM policy: UEFI Only Launch Storage OpROM policy: UEFI Only Launch Video OpROM policy: Legacy Only Other PCI device ROM priority:. I do have the csm menu but not the launch video oprom policy setting, which ASRock support told me to set to do not launch. 选择启动 PXE OpROM 策略设置。 Launch Storage OpROM policy. Sélectionner le paramètre de lancement de la stratégie OpROM pour la vidéo. OpROM. It will only boot if it is in legacy mode. I managed to make it work by updating to a newer. to UEFI only, but leave CSM Enabled. Go to the Boot tab > CSM Configuration > set both Launch Video Oprom Policy and Launch Storage Oprom Policy to UEFI, Press F10 to save and exit system. Compatibility Support Module. Disabling CSM from bios, at the first boot all would seem solved, but if I keep the computer off for some time, the CSM automatically returns enabled by setting the Video OProm Policy equal "legacy" instead of "uefi only" with four additional beeps (8 total) at the first boot. During platform initialization, the BIOS runs OpROM to determine which peripheral devices can be booted and if any additional boot options can be added. After you’ve created a policy, you can go back and make edits to it. Permite seleccionar el ajuste de inicio de política de OpROM de almacenamiento. 8 Security Menu. CSM (Compatibility Support Module) Enable to launch the Compatibility Support Module. If anyone has experience with the Taichi and knows what I need to do to get it to. 8. For PCI devices other than Network, Mass storage or Video defines which OpROM to launch. ↑↓ : Select Item . Select launch video OpROM policy setting. Launch PXE OpROM policy . Control the execution of UEFI and Legacy Network OpROM (Option ROM). bar size <= 1024M, no problem at all. 65. Launch PXE OpROM policy . F1: General Help. 103. Now, go back to Boot > CSM Configuration > Launch CSM - set to Disable Launch PXE OpROM policy: UEFI Only Launch Storage OpROM policy: UEFI Only Launch Video OpROM policy: Legacy Only Other PCI device ROM priority: UEFI OpRom Launch PXE OpROM policy. 746 (running Win 10 Pro, v21H1). Launch PXE OpROM is not used by home. Launch Video OpROM policy [Legacy only] 本項目提供您控制 UEFI 的運行與 Legacy Video OpROM。設置值有：[Do . Uefi only 2. . Launch PXE OpROM Policy; Launch Storage OpROM Policy; Other PCI Device ROM Priority; Each of the three settings have these options: UEFI Only; Legacy Only; Disabled; CSM Documentation (Page 87) I dont fully understand what CSM does or what each of the options do. 53. ChipsetLaunch Storage OpROM Policy ( 启动存储 OpROM 策略) 选择仅 UEFI 可运行只支持 UEFI 选件 ROM 的项目。选择仅传统可运行只支持传 统选件 ROM 的项目。选择“不要开启”以放弃执行 legacy 与 UEFI 选配 ROM。 Launch Video OpROM Policy ( 启动视频 OpROM 策略)Ah, I see now. 8 Saving your BIOS/UEFI settings . Advertisement. The problem is if I disable CSM it won’t POST. UEFI allows platform to control policy around what option ROM controls what device using EFI_PLATFORM_DRIVER_OVERRIDE. Launch Storage Oprom Policy. That is something to do with security while booting i think. I found this forum and read about the possibility of modding the bios to show hidden options, used amibcp 4. 7. kernel: nvidia 0000:01:00. S. Launch PXE OpROM Policy; Launch Storage OpROM Policy; Other PCI Device ROM Priority; Each of the three settings have these options: UEFI Only; Legacy. Set-up Launch Storage opROM policy to UEFI first. Contact Information. KTD-N0849-D. Launch PXE OpROM policy: Controls the execution of UEFI and Legacy PXE OpROM. Test with Gigabyte B150M-D3H DDR3 and RTX 3080. [quotemsg=14007381,0,446693]The "CSM" stands for the Compatibility Support Module, and the "Launch Video OpROM Policy" is used to determine what type of option roms can execute. 3. Launch Video OpROM policy Controls the execution of UEFI and Legacy Video OpROM. Exit Screen. UEFI supports option ROMs. Related Products. For Storage OpRom Policy, select Legacy only. pmd - ECS . Permite seleccionar el ajuste de inicio de política de PXE OpROM. 选择启动存储 OpROM 策略设置。 Launch Video OpROM policy. 选项: Legacy OpROM (默认)，UEFI OpROM。 51Launch Storage OpROM Policy ( 启动存储 OpROM 策略) 选择仅 UEFI 可运行只支持 UEFI 选件 ROM 的项目。选择仅传统可运行只支持传 统选件 ROM 的项目。选择“不要开启”以放弃执行 legacy 与 UEFI 选配 ROM。 Launch Video OpROM Policy ( 启动视频 OpROM 策略)Launch PXE OpROM policy. Determine the OpROM execution policy for devices except Network, Storage, or Video. Asrock Q1900-ITX Pdf User Manuals. Also you will need to use a USB 2. Other PCI device ROM priority [Enabled] [UEFI and Legacy] [Do not launch] [Legacy only] [Legacy only] [UEFI OpROM] This option controls if CSM will be launched. Launch CSM [Enabled] 本項目 定是否啟動 CSM。. And the BIOS logo showing have my screen resolution 1920x1080. runix18 December 7, 2022, 5:01pm 115. Quix 2[H]4U. Other PCI device ROM priority . ポストスクリーン中に または ホットキーを押して、UEFI Setup Utility（UEFI セットアップユーティリティ）を開きます. 64. Launch Video OpROM policy [Enabled] [Legacy only] [Legacy only] [Legacy only] Enable to launch the . Jun 12, 2015. Like IRQ / DMA. Controls the execution of UEFI and Legacy Storage OpROM. Controls the execution of UEFI and Legacy Storage OpROM. AddOn ROM Display Enable AddOn. OpROM execution, boot options filter,etc. Chapter 3, Security – DFI KB160 User Manual Page 47. show more . Go to Boot -> CSM and set Launch Storage OpROM policy to [UEFI only]. @Fernando I did almost the same steps as author of this post (I followed [Guide] How to get full NVMe support for all Systems with an AMI UEFI BIOS). . STEP 4. When the BAR size <= 1024MB, everything works fine. But when the BAR size > 1024 MB, it stuck at some boot phase. After installation finish, and it reboots. If you are using NVIDIA GPUs with Tensorflow, as an example, you can download the NVIDIA CUDA 7. The problem is if I disable CSM it won’t POST. 2 KB) two full dmesg of above 4g enable and disable. Launch Storage OpROM policy. [HELP REQUEST] Modify BIOS to show hidden settings - change Video OpRom. 6. : Launch CSM: This options controls if CSM will be launched. ASRock B85 Pro4 Launch PXE OpROM Policy, Launch Video OpROM Policy, Launch Storage OpROM Policy. For PCI devices other than Network, Mass storage or Video defines which OpROM to launch . We have 3 Asrock Z97 Extreme4 manuals available for free PDF download: Manual, User Manual. One has a SNB Pentium G870, the other an IVB i5 3450. 0 port, as there are no USB 3. Other PCI device ROM priority [Enabled] [UEFI and Legacy] [Do not launch] [Legacy only] [Legacy only] [UEFI OpROM] This option controls if CSM will be launched. Permite seleccionar el ajuste de inicio de política de PXE OpROM. Launch Video OpROM policy . SATA_0 to 5 : External SATA: enable if the drive uses eSATA (External Drives for example). Jumpers Setup. The default option is UEFI. →← : Select Screen . Contact Information. Updating the BIOS. O Thanks, the choices were launch pxe oprom policy launch storage oprom policy launch video oprom policy and and i can choose 1. Boot option filter . Select the number of seconds to wait for setup activation key. Thread Starter New 31 Dec 2013 #22. Please do not disable unless you’re running a WHCK test. What is launch video OpROM policy? The CSM stands for the Compatibility Support Module, and the Launch Video OpROM Policy is used to determine what type of option roms can execute. Page 54: Trusted Computing TPM Device Selection [PTT] Selects TPM. com is the number one paste tool since 2002. In the GIF below you may see other settings changed to Legacy Only, those are only required for other circumstances that are for more advanced configurations. Nice, thanks for clearing this up, I already reported this and all other bugs I found in a support ticket, and they got back and confirmed all bugs except one, for the Chassis Fan 1/Water pump speed, but I was able to re-create the RPM drop by switching the Control Mode from PWM Mode to DC Mode, it will give a RPM drop between 500-1600RPM depending on the connected fan speed, long story short. As you have updated to Windows 8. We have 2 ASROCK 970A-G3. Other PCI device ROM priority . bin```. See full list on learn. Test with Gigabyte B150M-D3H DDR3 and RTX 3080. If you are using Windows 8 64-bit and all of your devices support . Do not launch. Take note of Step 11 for Windows 7. Select launch video OpROM policy setting. It has no effect for BBS boot options. Microsoft Directx 9. Contact Information. "Security Devices" wasn't even listed in Device Manager before I changed the BIOS settings. Launch PXE OpRom policy "legacy only". Launch Video OpROM policy [Legacy only] Controls the launch of UEFI and Legacy Video OpROM. Storage OpROM. Enables or disables boot with initialization of a minimal set of devices required to launch active boot option. Launch PXE OpROM policy. The sequence of the drives from which booting is to occur can be specified here. For the user password, you may also clear it. 91. )No problem with CSM on and 4G decode and rebar disabled, but with the bar size > 1024M, I can not access BIOS menus. . Launch PXE OpROM policy. x. Enable to launch the Compatibility Support Module. Make sure your hard drive/SSD partition type is GPT, Windows won't install in uEFI mode on a MBR partition, it also won't install in ACPI mode on a system with the partition set to GPT so it must not. Classic Mac. Launch PXE OpROM policy. Christomberlin. Hello . Do not launch[Default] UEFI only. "Launch Storage OpROM policy" "Launch Video OpROM policy" All of which have "legacy only" selected Not sure if any of that means anything worth saying in the first place though I figured it can't hurt I saw elsewhere that disabling CSM might fix it but when done so a reboot takes me straight to the bios screen without pressing f11问题现象：我的gtx1060 6g 有三个接口，hdmi,dvi,dp. 选项: Legacy only (默认)，UEFI only，Do not launch。 Other PCI device ROM priority . Launch Storage Oprom Policy. Asrock x299 Taichi XE (custom bios with ecc reg support) Cooling. No need. For PCI devices other than Network, Mass storage or Video defines which OpROM to launch. Contact Information. In most cases, this changes the RESOURCES being used. Launch Video OpROM policy . 64. Select the keyboard NumLock state. Ich habe die Option "launch video oprom policy" deshalb deaktiviert, damit ich sehe ob die Grafikkarte ein Bild an meinem 4k Monitor liefert, da die Karte anscheinend ein Problem damit hat. sinoranhy. Launch Storage OpROM Policy : Legacy only (displayed only when SATA mode is set to RAID) (For Intel Optane Memory,. In particular, my storage controllers aren't supported strictly through UEFI so, for me, I will use UEFI and GPT disks however, I do still have CSM enabled with a preference for UEFI init over legacy init. Other PCI device ROM priority [Legacy only] For PCI devices other than Network, Mass storage or Video defines which OpROM to launch. Launch Storage OpROM policy: Controls the execution of UEFI and Legacy storage OpROM. I solved the problem by disabling the CMSs (Compatibility Support Module) in the UEFI options of my MoBo: Launch PXE OpROM Policy -> Do not launch. Select launch PXE OpROM policy setting. Page 111: Launch Storage Oprom Policy X299 OC Formula Boot Failure Guard Message If the computer fails to boot for a number of times the system automatically restores the. 62. The IB938 board supports two DDR3 memory socket for a maximum total memory of . If you are using Windows 8 64-bit and all of your devices support . Boot option filter: This option controls what devices system can boot to. 10. 选项: Legacy only (默认)，UEFI only，Do not launch。 Other PCI device ROM priority . Main Advanced Chipset M. Enables or disables Quiet Boot option. See the third pic: it must be something with the "Video OpROM policy" View attachment 141019 View attachment 141020 View attachment 141021i have asrock z97 extreme6 (trying to install win 7)and newest bios and i cant seem to find answer most have issues with m2 i have a reg ssd to do a uefi setup what do i need to set the CSM settings to? i can enable disable CSM and there are three sub menues. 8 Saving your BIOS/UEFI settings . Joined Jan 13, 2014 Messages 11 Motherboard OSX10. 64. 0. IB903F User’s Manual. Go to the Boot tab > CSM Configuration > set both Launch Video Oprom Policy and Launch Storage Oprom Policy to UEFI, Press F10 to save and exit system. Select the number of seconds to wait for setup activation key. Configuration options: [Do not launch] [UEFI only]. Launch PXE OpROM policy. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. My machine won't boot via UEFI if CSM isn't enabled or if UEFI is forced for all devices. Select Legacy only to run those that support legacy option ROM only. 65. ECM-KA . The MB is a ASRock B550 Phantom (BIOS Version 2. Enabled Secure Boot then saved those settings before I plugged in the flash drive. Serial Port. Launch Storage OpROM policy. STEP 5. Launch Storage OpROM policy . (A fully utilized UEFI firmware requires this because it is an EFI graphics protocol. The "Launch Video OpROM Policy" set to "UEFI only" should also work. Quick Links. BMC Support . Launch CSM Boot option filter Launch PXE OpROM policy Launch Storage OpROM policy Launch Video OpROM policy Other PCI device ROM priority The two priority options only list one of the detected drives and whether or not to disable it as 1st boot. 55, and voila! i found a lot of hidden settings. 18,510. Launch Storage OpROM policy: Controls the execution of UEFI and Legacy storage OpROM. All GPUs work fine in other PC's, an RTX 3080, RTX 3090, AMD RX 550 Low-profile, Nvidia Titan Xp. . Upvote 0 Downvote. 부팅이 안되거나 검은 화면이만 나올 경우 기본값 혹은 Do not Launch, Enable No UEFI 등 호환모드로 선택 한마디로 Legacy(구형) 옵션 전부. Just put together a new system and it is booting up fine. Advertisement. Launch PXE OpROM policy. ,, Checked if "Launch Video opRom policy" was back on the original settings 'Legacy Only' and installed the old cards back in. Text mode ; Original mode 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19Launch Storage OpROM policy . MI987 User’s Manual. Gigabyte GA-H77TN Pdf User Manuals. View online or download Asrock Z270 Gaming K6 User ManualAsus Z9PA-U8 User Manual • 1 csm parameters, Csm parameters -41 • Asus Computer hardwareLaunch PXE OpROM Policy (Do not launch, UEFI only, Legacy only) 2. I have problem with my board Asrock Z97 Extreme 6. Other PCI device ROM priority: For PCI devices other than network, mass storage or video defines. . Share and save. GT – Power Management ControlToday, we have a GPU undervolting/overclocking tutorial for RX 6950XT that also applies to the RX 6900XT. Please do not disable unless you’re running a WHCK test. Enabled Secure Boot then saved those settings before I plugged in the flash drive. OpROM. Lost_N_BIOS June 15,. 0. Manuals and User Guides for Asrock Z97 Extreme4. 63. 65. According to your system configuration (e. "Boot Mode" is what determines if you use "UEFI" or "Legacy BIOS" instead. S. UEFI only Es werden nur UEFI Video Option-ROMs gestartet. Threats include any threat of suicide, violence, or harm to another. 7. Please do,. 168. If you are using Windows 8 64-bit and all of your devices support . I used UEFITool, and inserted the NvmExpressDXE_4 into FV_MAIN_NESTED, where all DXE Drivers (including CSMCORE) are. The problem is if I disable CSM it won’t POST. You can also delete custom. 108. But when the BAR size > 1024 MB, it stuck at some boot phase. Now, go back to Boot > CSM Configuration > Launch CSM - set to Disable. CryptoThis has the same effect within Launch Storage OpROM Policy as changing the default setting to UEFI Only. Everything works now! According to Device Manager, it's activated on my XPS 8930 and "This device is working properly" now that I disabled the Legacy Options ROM in BIOS. ago. Do not launch Disables option ROM. OpROM execution, boot options, filter, etc. 8x16Gb Hynix DJR ECC REG 3200@4000. Enables or disables boot with initialization of a minimal set of devices required to launch active boot option. I have CSM enabled for. Yes, changing default option is easy to do. Legacy OpROM. Answer. In most cases, this changes the RESOURCES being used. (Default) UEFI only Enables UEFI option ROM only. Set the system boot order. 6. Grim_Reaper_O7 • 7 yr. 8 CPU Boot Settings Configuration Menu. And for what ? for plus 95 - 98 mhz to CPU ? Overall there is maxim 1-2%. Permite seleccionar el ajuste de inicio de política de PXE OpROM. Chipset MenuAsrock Fatal1ty 970 Performance/3. Page 96: Launch Storage Oprom Policy CSM (Compatibility Support Module) Enable to launch the Compatibility Support Module. But in grub it become 1024x768. For Storage OpRom Policy, select Legacy only. But in grub it become 1024x768. Description . If you've wanted to find out what's the difference between a Privacy Policy and Terms and Conditions. Option . Specifications. com Legal Writing Team. Launch Video OpROM Policy. UEFI ) 4. One Of: Launch CSM, VarStoreInfo (VarOffset/VarName): 0x25E, VarStore: 0x1, QuestionId: 0xC4, Size: 1, Min: 0x0, Max 0x0, Step: 0x0 {05 A6 33 09 34 09 C4 00 01 00 5E 02 10 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} 0x38BC0 Default: DefaultId: 0x0, Value (8 bit): 0x1 {5B 0D 00 00 00 01 00 00 00 00 00. Serial Port 0 Configuration /Serial Port 1 Configuration. Page 94: Exit. Other PCI device ROM priority For PCI devices other than Network, Mass storage or Video defines which OpROM to launch. Colif Win 11 Master. This option controls if. So the fix was to 1) buy a new card which supports UEFI Boot 2) get into BIOS and do a Reset Default 3) Save Settings and restart. which riser is installed), this menu may be different. Launch Video OpRom Policy : UEFI & Legacy / Legacy / UEFI Only Other PCI Device OpRom Polocy : UEFI & Legacy / Legacy / UEFI Only What settings need to be applied before inserting the DVD for O/S installation, and what settings need to be changed after O/S install? Lauch Video OpROM Policy 를 Legacy 에서 UEFI로 변경합니다. 18. Csm parameters – Asus P9D-MV User Manual Page 97. . 4-34. ) AMI UEFI BIOS. (Este link inicia um download do ASR. Exit Screen. 1. Preface - ECS . Launch Storage OpROM policy. Configuration options: [UEFI and Legacy] [Legacy only] [UEFI only] Launch PXE OpROM policy [Legacy only] This option allows you to control the execution of UEFI and Legacy PXE OpROM. Please do not disable unless you’re running a WHCK test. Christomberlin. Such as: ```dg2_d_oprom_IBC512. Controls the execution of UEFI and Legacy Storage OpROM. Security. Storage OpROM. Boot -> Boot Mode Select = UEFI. Launch Storage OpROM policy: Controls the execution of UEFI and Legacy storage OpROM. Hot plug: enable if you need Hot-Plug capability (Drive trays for example). Hi, I recently purchase an Rtx 3070 and I have the four beeps problem. . Legacy only Es werden nur Legacy Video Option-ROMs gestartet. Boot from Storage Devices [Both, Legacy OPROM first] Launch Video OPROM policy [Both, Legacy OPROM first] Boot from PCI-E/PCI Expansion Devices [Both, UEFI first] 2. STEP 3. ) No problem with CSM on and 4G decode and rebar disabled, but with the bar size > 1024M, I can not access BIOS menus. 1 CSM parameters . For Video OpRom Policy, select Legacy only (default). It will. Disabling CSM from bios, at the first boot all would seem solved, but if I keep the computer off for some time, the CSM automatically returns enabled by setting the Video OProm Policy equal "legacy" instead of "uefi only" with four additional beeps (8 total) at the first boot.