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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Lenovo IdeaPad 700 bios password [migrated]

I've had a Lenovo IdeaPad 700 for several years now. After about a year of ownership, it malfunctioned, and I had to send it to warranty technical support. They repaired it (reportedly replacing the ...
lxlDanilxl's user avatar
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114 views

Trying to find Firmware for Quanta DB15B-1U (S2B_3B20 and BMC version 3.79.00)

We have a big problem with a Quanta D51B-1U server we had to buy so replace an old one that is part of a cluster and failed We installed the server, but the cluster will not allow it to be added, ...
Oscar Galicia's user avatar
3 votes
1 answer
624 views

What granularity does memory channel interleaving occur when enabled in BIOS?

Memory channel interleaving is a method of setting a physical address area which can be enabled in BIOS, so that all memory channels are alternately used to achieve best bandwidth and latency. I want ...
Frontier_Setter's user avatar
-1 votes
1 answer
63 views

How to install grub to a CD-RW? [closed]

My very old server only has BIOS, no UEFI, and the boot order routine aborts booting when it encounters a drive larger than 2TB. The boot order is: CDs, HDDs, USBs, network. I cannot change the boot ...
jkoop's user avatar
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What is the best practice for servers - EFI or legacy mode?

I'm currently installing a new Linux server and am trying to decide whether to use legacy mode (BIOS) or EFI. So far, I'm leaning towards legacy because it's less complex (less partitions) and has ...
Ondra Simek's user avatar
0 votes
2 answers
882 views

Why does my Dell server BIOS asks for the BIOS password during a regular reboot?

I have a Dell PowerEdge T350 server. I enabled TPM and Secure Boot as well. For these I needed to specify a BIOS password (which I would have done anyway). What startles me is that the server keeps ...
Csaba Toth's user avatar
1 vote
1 answer
670 views

Booting specifics on NVMe

I have a problem with transferring my OS from SATA SSD to PCIe NVMe and maybe someone can give me more ideas to solve the next problem. The hardware is HPE MicroServer Gen8 running Windows Server 2022....
DrKovalex's user avatar
1 vote
1 answer
605 views

How to use more then 2GB of ram when using running a nested BIOS VM using KVM

I have a Linux host running Debian 11 and on that host, I have a Ubuntu 22.04 VM. Inside that VM I want to run a Windows 10 VM using nested virtualization. The ubuntu VM is booted using EFI and nested ...
nezu's user avatar
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1 answer
885 views

Is it safe to set RAM frequency beyond Intel's POR?

Memory in our SuperMicro servers runs on a somewhat lower frequency than it could and it seems to be artificially limited by the Enforce POR BIOS setting. SuperMicro warns on their website that "...
Ondra Simek's user avatar
0 votes
1 answer
736 views

Cannot find/update firmware for IBM x3650 M2

I am trying to revive an old IBM x3650 M2 server, but am running into trouble with IMM/IPMI related to the FW being almost as old as the server itself. Server is from 2010, firmware is from '09 (UEFI) ...
Incitu_MJ's user avatar
1 vote
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Is there a way to check "boot after power loss" BIOS configuration from CLI?

Is there a way to check from CLI under linux (Debian based) how the BIOS is configured for "boot on power loss" ? I need something similar to Check `Restore on AC/Power Loss` from CMD/...
Kraal's user avatar
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Dell Poweredge R640 - System BIOS has halted

I'm running pfSense on a Dell Poweredge R640, but after upgrading to the latest bios, it has trouble booting. The attached picture says that LBR is not available. Any idea what that means and how to ...
Dal's user avatar
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2 answers
4k views

Supermicro won't boot from RAID virtual drive after a power outage

One of our Supermicro servers won't boot from the virtual drive on a MegaRAID SAS 9361-8i after a power outage. It can still boot from a USB stick without trouble, all hard drives and file systems ...
frogsicle's user avatar
0 votes
1 answer
2k views

How to change BootOption bios settings with redfish?

I'm trying to change the NIC a server boots from using the redfish module in python. The server is a supermicro board: Firmware Version 01.00.17 Firmware Build Time 09/02/2021 Redfish Version ...
Goswin von Brederlow's user avatar
-2 votes
1 answer
201 views

Config HPE servers BIOS Settings By OS

Is there a way to configure BIOS settings, for example: hyperthreading 2.date/time power settings BOOT mode and etc... Can you suggest a package for my needs in Ubuntu? I found hpasmcl, but I didn't ...
sasanalem's user avatar
-1 votes
2 answers
163 views

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 ...
Chien Hao Tan's user avatar
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1 answer
1k views

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 ...
VR-4's user avatar
  • 11
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1 answer
326 views

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 ...
chiashurb's user avatar
0 votes
1 answer
611 views

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 ...
user's user avatar
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2 votes
1 answer
289 views

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 ...
Laszlo Malina's user avatar
1 vote
1 answer
339 views

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 ...
isarandi's user avatar
  • 351
1 vote
2 answers
6k views

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 ...
horv77's user avatar
  • 23
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157 views

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 ...
james's user avatar
  • 113
0 votes
2 answers
7k views

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 "...
Mikki Sørensen's user avatar
1 vote
0 answers
161 views

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 ...
develop1's user avatar
  • 111
1 vote
2 answers
389 views

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 ...
Cyberpks's user avatar
  • 113
0 votes
1 answer
2k views

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 ...
Sumeet Boga's user avatar
3 votes
5 answers
2k views

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 ...
Furkan Gözükara's user avatar
-1 votes
2 answers
933 views

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 ...
amicoderozer's user avatar
0 votes
1 answer
660 views

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 ...
IT_User's user avatar
  • 210
3 votes
1 answer
1k views

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 ...
jesse_b's user avatar
  • 91
1 vote
1 answer
5k views

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 ...
Ashark's user avatar
  • 346
9 votes
2 answers
24k views

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 ...
willdashwood's user avatar
1 vote
0 answers
1k views

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 ...
Joshua's user avatar
  • 21
5 votes
1 answer
595 views

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 ...
fraleone's user avatar
  • 171
2 votes
1 answer
118 views

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 ...
fraleone's user avatar
  • 171
1 vote
1 answer
5k views

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 ...
vulgarbulgar's user avatar
0 votes
2 answers
963 views

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 ...
Rail24's user avatar
  • 111
0 votes
1 answer
1k views

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 ...
raZV8grEkesXk's user avatar
0 votes
0 answers
449 views

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 ...
David West's user avatar
3 votes
1 answer
338 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 ...
posop's user avatar
  • 247
0 votes
1 answer
703 views

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 ...
Sven's user avatar
  • 1
1 vote
0 answers
4k views

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 ...
Xgamer911's user avatar
2 votes
3 answers
3k views

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 ...
Arni J's user avatar
  • 75
1 vote
0 answers
179 views

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", ...
Cerin's user avatar
  • 3,640
1 vote
1 answer
4k views

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 ...
Martin's user avatar
  • 372
0 votes
1 answer
437 views

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 ...
HEKTO's user avatar
  • 103
-1 votes
1 answer
33 views

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 ...
Samir Zattar's user avatar
-2 votes
1 answer
1k views

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 ...
Dilip's user avatar
  • 97
0 votes
1 answer
120 views

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 ...
Lenniey's user avatar
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