Questions tagged [bios]

The BIOS is built into the PC, and is the first code run by a PC when powered on. The primary function is to load and start an operating system.

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Why do Cloud providers use MBR and BIOS?

https://wiki.gentoo.org/wiki/Handbook:AMD64/Full/Installation#Master_boot_record_.28MBR.29_or_DOS_boot_sector While installing Gentoo, I came across a segment talking about GPT and UEFI being the more ...
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Does configuring BIOS really solve ESXi CPU Contention?

There's alert coming up on our server saying CPU Contention even if we already isolate that VMguest from another high CPU consuming VMguest: Alert Definition Name: Virtual Machine on a host with BIOS ...
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Did I brick this X9DRH board?

Tl;DR: Previously-working Supermicro server suddenly has no video output (either from previously-working onboard VGA port or GPU), no iKVM, no output on UART or Serial-over-LAN. IPMI device suddenly ...
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Modify BIOS configuration on several computers

I have quite a few computers that I need to modify some parameters on the BIOS (American Megatrends v.5.12). Is there a way to save this configuration (to a pendrive, for example) and load that on the ...
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Intel S2600JF server: Processor PCIe Link Speed menu in the BIOS is missing

i have a Intel 4 node server with S2600 JF motherboard per node (older, DDR3 RAM, E5-2600 v1 and v2). I want to insert a NVMe pcie card (with two drives) that requires bifurcation. Based on the ...
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Why can't the GPUs communicate in a multi-GPU server?

This is a Dell PowerEdge r750xa server with 4 Nvidia A40 GPUs, intended for AI applications. While the GPUs work well individually, multi-GPU training jobs or indeed any multi-GPU computational ...
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Enable PAE for Windows 10 pro to use more than 4 GB RAM

I'm having a relatively new hardware (i5 CPU x64) with a legacy 32 bit Windows 10 install. It is running older company software so the upgrade to 64 bit is not practical for several reasons. I know ...
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Intune Hardware Inventory not recognizing TPM in MSI Motherboard, but Bitlocker is running

I'm running Windows 10 10.0.19043.1237 on an MicroStar Z590-A PRO (MS-7D09) motherboard, where I recently installed a TPM. I can confirm that Bitlocker is running and providing full disk encryption, ...
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RAID 5 Data Recovery (Missing Partition)

I really need help. I am running an XCP-NG server, with an LSI MegaRAID 9260-8i card installed. I have a RAID 5 virtual disk with one partition on said disk that takes up all the space. That partition ...
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HP - BIOS - Invalid Opcode Exception

I have an HP DL360 Gen9. It is running Windows Server 2019, but after I restarted it, I'm not able to boot again after "Loading System Firmware Modules - Complete" it just dies with an "...
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Raid controller can't erase RAID config

I bought a Dell PowerEdge T320 that came with 2 1TB HDD and I just ordered 6 more used 3TB HDD. When setting up an array I'm able to see the original 2 HDD that came with the server but the 6 used ...
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Not able to create RAID 1 on Fujitsu Server after ransomware infection

I have a FUJITSU Server PRIMERGY TX1310 M3, whose hard drives was infected with ransomware. There are 2 1TB HDDs, which were configured into RAID 1 and working properly. After the infection I am not ...
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DL380p G8 RSOD when entering BIOS

My DL380p G8 has an issue that causes the RSOD Illegal OpCode menu to appear. When I boot the server and press F9 to enter BIOS after a few minutes of standard POST output, I get sent to the Red ...
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Hardware token/UUID for authentication of software

Is there a unique hardware token or a UUID on every computer motherboard/BIOS that can be used to create a "strongly coupled" software? I am working on writing a proprietary software for a ...
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Way to enter the BIOS of linux server

I have a Centos 7.9 VPS up and running. I wanted to enter into BIOS, but I wonder if there is any specific key to enter into it. I wanted to enable the vt-d inside the BIOS. My server has Intel CPU ...
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5 answers
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Raid 1 default disk capacity is lesser than the disk sizes. Any ideas? Intel Raid Storage Technology - Raid from Bios

Here the screenshots I think they explains everything The disks are advertised as 1 TB and the real size of the disks are 931.5 GB I have installed windows server without raid setup for ...
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2 answers
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Enable Smart Array P400 HP Proliant DL 120 G7

I have a HP ProLiant D7 120DL with a Smart Array P400. After doing BIOS "Restore Default System Settings" the Smart Array can't see the drives attached to it. When starting the server, Smart ...
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Dell PowerEdge bios update failure. Error finding file: update.xml

So I downlaoded the latest BIOS for a Dell PowerEdge server. Attempting to update using the EXE fails. The error from the GUI states to restart the server. Restarted but still failed. I found the log ...
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Supermicro set boot order via bios config file

I've exported the bios config from one system via sum: sum -i IP -u USER -p PASS -c GetCurrentBiosCfg > bios_config.xml Now I want to apply this config to other machines of the same type: sum -i ...
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Is it possible to update AMI bios from Linux?

I have a motherboard on Supermicro server (model X9SCM(+)/X9SCM). And it is not possible to update it via Supermicro Update Manager - looks like bmc just cannot communicate with bios at all on this ...
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Supermicro X9SCD won't enter BIOS (error code: AB)

I've just flashed the BIOS of 3 different X9SCD motherboards, all housed within different MicroCloud chassis. I've done this hundreds of times, with this exact BIOS version (x9scd8.612), with no ...
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Quanta BIOS update clarifications

This may seem like stupid questions to some but I am very fearful of updating my BIOS after bricking a motherboard once. Please bear with me. I purchased a Quanta D51B-2U that came with an older BIOS ...
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How much physical RAM is "lost" to BIOS/UEFI?

Browsing the linux kernel output dmesg on 6 different systems (4 server, and for the sake of comparison also 2 laptops) I am shocked by the large amount of BIOS/UEFI reserved RAM Three servers systems ...
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What is a software prefetcher (processor setting)?

Configuring the CPU(s) of a DELL Server (via iDrac) I have run accross the term software prefetcher. I have an idea that prefetching is to "fetch" in advance data from the memory in to the ...
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PCIe - Training error on device - Link degraded, macLinkWidth = x16, negotiatedLinkWidth = x8

i've placed a pcie raid adapter card with onboard ssd's (AORUS RAID ADAPTOR built in with 4 x PCIe 3.0 512GB NVMe SSD) in a new (2020) Dell (Optiplex 7080). the system boots fine most times, but it ...
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Resetting the TPM module on my motherboard?

I've got a TPM set up on a motherboard, but the motherboard has now been swapped, and the HDD is still the same. Would like to basically reset everything to factory defaults, but the HDD is encrypted ...
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Unable to get access IMPI / BIOS / Intel Xeon Gen2 compatibility issue?

I've bought new( not used ) SuperMicro MBD-X11DPI and x2 - Intel Xeon Silver 4210R OEM Micron [MTA72ASS8G72PSZ-2S6E1] 64Gb Samsung [M393A8G40MB2-CTD] 64Gb When I'm booting, 10 different ...
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Enable VT-X and VT-D in the bios for a PowerEdge r910. Ubuntu Server Bionic

I am trying to enable VT-X and VT-D on a PowerEdge r910. I have set "Virtualization Enabled"in the bios settings and also "SR_IOV Global Enable". I still get the following on the ...
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3 votes
1 answer
194 views

arch linux on zfs root cannot configure grub on bios

as the title suggests I cannot get across the finish line installing arch on zfs. I get to the point where I try and install grub on my /boot after chrooting into my /mnt from the live cd. anyway ...
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How can i get to the BIOS log file on ubuntu?

I've recently learned that the actual memory run speed isnt necessarily what it says on the memory cards. The actual speed is 'negotiated' based on factors like bus speed, or clock speed, motherboard ...
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Proliant DL360 G7 stuck on POST, no video, no beeps, front LED green

I am new to servers, so I am not sure what to do next. I have an HP proliant DL360 G7 with a HP P2000 hooked to it using HBA cards. I have Unraid installed on a USB and I was playing around with ...
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2 votes
1 answer
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DELL r630 + NvMe M.2->PCie : Cannot boot Ubuntu installed on M.2 NvMe drive via. PCie adapter

I have plugged in a PNY XLR8 500GB M.2 NvMe drive in a Delock PCIe card and stuck it in Riser 3 on my Poweredge r630 - Although the drive doesn't show up anywhere in BIOS, I could boot the Ubuntu ...
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Boot failing due to SMART error status?

I have an Asus server that was refusing to boot, reporting: SATA Port 1 : Hitachi HDS721010DLE630 S.M.A.R.T status bad, backup and replace So I went into the bios, disabled "SMART status check", ...
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What does the enable/disable ME subsystem option in Supermicro X9DRi-F motherboard BIOS do?

It's well known fact that the Intel Management Engine can not be completely disabled. Its functionality can be greatly reduced using me_cleaner which utilizes various techniques including switching ...
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No screen messages from BIOS after discrete graphics card installation [closed]

My old PC used to work fine with onboard graphics, but eventually (I think) that was slowing down the whole system. So I decided to add a discrete graphics board - after that I don't see any output ...
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Secure contents of a hard drive so it can't be accessed on another computer [closed]

My company is developing a device that is basically a Linux box with some attached hardware and proprietary software that is installed on several clients. What would be the best options to secure the ...
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-2 votes
1 answer
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Dell Optiplex 990 Bios Corrupted [closed]

I have an issue with dell optiplex 990, i am getting no bootable hard disk found error. Videos as below https://photos.app.goo.gl/6TocW3sAoM7RL8gV9 Problem: I tried to boot into USB drive which has ...
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OCZ Revodrive 350 srs interrupts

We built some servers running Windows Server 2016 out of some "spare" parts with the following specs: Supermicro X10DRH-iT Dual E5-2620 v3 256GB Registered ECC DDR4 RAM 1x Adaptec 71685 RAID ...
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Exception during the UEFI preboot environment. DellFormsProcessorDxe.efi

While booting a Dell PowerEdge r720, UEFI crashes, making it mostly unbootable. This exception occurs after pressing F2 to get to "F2 System Setup" which means getting to the menu to switch back to ...
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Write Data Early Bios option

Some BIOS include this option: Write Data Early: Enable/[Disable] For example, in the Supermicro BIOS' it's under Advanced/Chipset/Northbridge, where it's disabled, by default. (Unfortunately, the ...
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2 votes
1 answer
424 views

Difference between LFM and adaptive throttling for TM2 thermal management

Some Supermicro BIOS have a 'TM2 Mode' option under Advanced/CPU configuration. Available values are: LFM throttling adaptive throttling What are the differences between those two throttling modes? ...
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1 vote
1 answer
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Raid CentOS Server with blank screen

I am unable to boot the CentOS Server. It has version 6.10. It has raid 5 (or 10) with 4 hard drives. I can't get into the Bios anymore. It has Phoenix cME FirstBIOS Pro Setup Utility Bios. When it ...
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1 vote
1 answer
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Unable to install any Operating System on HPE ProLiant ML10 Gen9

I have been unable to install any OS on this server. It will bring up a grub or choice menu, but hangs after that. I just tried the ClearOS install, downloaded from the HPE link to ClearOS, it goes ...
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Centos 7 Force BIOS (Not Fast Boot)

I have a CentOS 7 box that has quickboot installed. Is there a way I can get into the BIOS again? Is there a startup key combination, or a file I can edit to get to the BIOS menu on reboot? ...
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20 Watt difference between C-states enabled in Bios and same states in Intel_idle?

I am trying to reduce the idle power usage of a dual-Haswell-EP server made by Intel. If I enable the C-states in the UEFI-Bios, the minimum power consumption is about 80W. However, if I disable C-...
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Increasing chassis fan speeds?

I have a rack-type server whose motherboard is ASUS Z11PG-D16 Series (according to lshw). ipmitool reports 7 front fans, and I would like to increase their speeds. Is there any way to do that? ...
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booting HP ProLiant DL160 Gen8 in uefi

I recently got a DL 160 gen8 and I'm trying to boot windows from a 3TB drive. the windows Installer is refusing to install windows on gpt partitions. So I need to boot in uefi. I looked everywhere ...
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Enable Supermicro Virtualization in Bios

my motherboard is a Supermicro x9dri-ln4f+, and I am using dual xeon e5 2690 CPUs. I have been trying to enable Virtualization in order to load VMs in qemu and virtualbox. The motherboard claims to ...
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Any way to set password on BIOS remotely on Ubuntu 14.04?

I maintain many specific-use devices that have Ubuntu 14.04 OS installed on them. There is an ongoing effort on our end to harden the security on these devices. One of the required steps is setting ...
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Identical Processor - Live Migration Error

I have production problem thats why Im asking for fast help :/ Environment 2 new HyperV Host with Windows 2016 in Failover Cluster Both with CPU: Intel® Xeon® Silver 4116 Processor 2.10 Ghz Live ...
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