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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Could `rm -rf / --no-preserve-root` mess up the bios?
In order to see approximate speeds for tarballing an entire system, and then restoring that system when if it was foobar'd, I partially cloned one of our primary systems onto a workstation that, while ...
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SSD head / cylinder / cluster details
A customer of ours makes industrial robots that run on very old, but stable, hardware and software. The only bottleneck has always been the hard drive in these moving machines. Due to constant ...
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How to make my HP server boot faster?
I have an HP ProLiant DL370 G6 server that I am using as a workstation. It takes 60 seconds during reboot and cold boot before screens post with a discrete Radeon HD6xxx GPU. What can I do to make ...
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USB drive not detected in Intel EFI shell
I must update an Intel S3420GPLC board. BIOS, BMC, FRU / SDR, the whole thing.
Everything is pretty much automated in the Intel download. You're supposed to boot to the integrated EFI shell, mount ...
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Should I use bios "Advanced ECC" in Dell PowerEdge R710 Bios with ECC DIMMs?
I have a Dell PowerEdge R710 with dual Intel Xeon E5503 CPUs. It has 96GB(12x8GB) of ECC DIMMs.
In its BIOS, memory is configured for "Advanced ECC".
My question is if my DIMMs are already ECC, does ...
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Enabling hardware virtualisation BIOS; anything to beware?
A lot of recent virtualisation tools can either make use of, or demand, BIOS support (Intel-VT, AMD-V, etc). But in most of the BIOS screens I've seen, it has been disabled by default - sometimes even ...
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Is it possible to change BIOS settings from Linux?
I'm trying to write a script to enable IPMI on a ton of machines without having to hook up a KVM to them one by one. Is it possible to change the BIOS settings from Linux? OS is SL6.
I understand ...
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Disable CPU cores in bios?
Is it possible to disable CPU (Intel) cores in BIOS, and if yes what HP/DELL (others?) 1U/2U servers would allow this?
It is becoming difficult to find new server hardware with dual core CPUs, most ...
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How to discover the MAC address of machines in a network?
How do I discover the MAC address of machines in a network?
I need to discover the machines that are available just with only BIOS installed (no operating system).
And I need to find the MAC address ...
sarav
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Bootrec /FIXBOOT vs Bootrec /FIXMBR
According to Microsoft here is what Bootrec /FIXBOOT does:
"This option writes a new boot sector to the system partition by using a boot sector that's compatible with Windows Vista or Windows 7"
And ...
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Change BIOS settings on Supermicro system via a script
I see that Dell & HP have programs that you can change the BIOS settings remotely or via a script/file.
Does anyone know how this can be done on a Supermicro system or is there one that is not ...
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Reflash Supermicro BIOS Chip with external EEPROM programmer
I've a Supermicro server, out of warranty, and it suicided in the last month. Yes, exactly. During a AMIBIOS update process the BIOS Watchdog has been tripped and the motherboard reseted during the ...
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Supermicro BIOS recovery - SUPER.ROM
I have a Supermicro X9SCL+-F motherboard that I flashed a beta BIOS to, then the flash went bad when I tried to flash back to the latest stable. I am attempting to recover using their SUPER.ROM ...
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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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HP ProLiant system preparation/deployment techniques (Array, BIOS, firmware, etc.)
I spend a lot of my time with HP ProLiant systems and Linux installations. Due to the nature of the business I work in, I don't have the luxury of being able to deploy large numbers of identical ...
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Dell PowerEdge: powersaving BIOS settings differences
I'm closing in on purchasing a Dell PowerEdge R710 rack server and am curious to know the difference between Dell's power saving bios setting and their performance bios setting. Should I be concerned ...
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GRUB hangs before menu, after a HDD upgrade. How to debug?
I have a problem on a server with 4 x 1 TB drives running Debian wheezy and
GRUB 1.99-27+deb7u3.
sda and sdb have partitions mirrored using (Linux software) RAID1, including /boot. sdc and sdd have a ...
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How would you apply a BIOS update for a Dell M610 blade with VMware ESXi installed?
We've got a Dell M610 blade with VMware ESXi 4 installed and we need to update it's BIOS to the latest version.
Unfortunately, Dell only makes available a Windows (.exe) and Linux (.bin) versions of ...
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Resetting factory defaults - HP Proliant DL360 gen8
I have an HP Proliant DL360 gen8 server that seems to have USB turned off in the BIOS. I would like to enable it again.
With the USB turned off, I cannot intervene during POST - the USB keyboard does ...
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Broken BIOS detected, complain to your hardware vendor. WTF?
This is what I found in dmesg on my new Fedora 16 instalation on new HP ProLiant DL320 G6
[ 0.130963] Performance Events: PEBS fmt1+, Westmere events, Broken BIOS detected, complain to your ...
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How to disable VGA on new server... reversibly?
Strange question here. I have a server with 1GB of RAM, however when booted this shows as 768MB. I've discovered the reason for it – and that is that it has an unboard graphics card which shares ...
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How to configure GRUB loader after apt-get upgrade on Ubuntu 12.04
I have a box with Ubuntu 12.04, and just did a apt-get upgrade. I'm presented with a dialogue to update my GRUB bootloader, but with the following message:
The GRUB boot loader was previously ...
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Flashing the BIOS on a DL380 G5 without Windows
This page has installation instructions for an update to the BIOS. Assuming our G5 does not have Windows on it, can someone enlighten me as to how this works? Does it make a bootable USB stick for ...
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When to use X2Apic Mode?
I am setting up a new server (PowerEdge T130) for a small business, running Windows Server Essentials 2016.
It will be used as a file server, AV, domain controller and has some SQL databases.
I know ...
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Power Usage via IPMI or BIOS or?
Is it possible to check the power usage of an entire machine via IPMI, BIOS, or any other option? I have done some searching but no results have came up yet.
PDUs only show the total usage, so this ...
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dell poweredge pcie training error, what to do?
After telling the server to reboot, it is now displaying an “PCle training error: Internal Storage Slot” Then the next line was “System Halted!”. It will not boot.
Recently a failed scsi hot swap ...
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Best practice on Linux servers and CPU/power throttling?
I am running a couple of Debian 6 (2.6.32) and 7 (3.2) Linux servers and all of them have energy saving settings enabled in their BIOS. Furthermore Linux shows that the CPUs are throttled if the ...
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HP Compaq 8200 Elite SFF won't boot from USB drive
Can't get an HP 8200 Elite Small Form Factor to boot from USB. It's done so in the past & the USB boot drive works in a different machine (HP 8440p laptop).
Have tried upgrading BIOS (from 2.09 ...
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HP Proliant ml350p g8 not booting after installing new CPUs
Our server: HP Proliant ml350p g8 has a single Xeon e5-2609 1.4Ghz processor.
Our manager wanted to update it a little, so we looked at 2x E5-2609V2 processors...we ran it past HP Enterprise chat who ...
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SuperMicro server won't boot after power cycle [closed]
We power cycled one of our SuperMicro machines and it does not boot anymore.
It seems it won't even get to the BIOS loading stage and peripherals (VGA monitor, USB cable) are not detected. All ...
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Does any PCIe slot support NVMe SSD's automatically or do I need a specific M.2 slot?
I have been trying to dissect the information I find with googling, but have come to the conclusion that I cannot find with certainty the answer to the following questions:
Given you know the basics ...
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How to find mainboards that supports Self Encrypting Device (SED) in BIOS?
There should exist mainboards that support Self Encrypting Device (SED) in BIOS, so when connecting a SSD which have SED support, and SED have been enabled in the BIOS, it prompts on bootup for ...
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What is Memory Operating Mode?
I have been given an x64 windows 2003 server, on which I have installed M$ Virtual server 2005 R2. I then created an image that is running Server 2008 R2. It was running very slowly so i did a bit of ...
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Building uEFI bootable ISO and USB for Windows 7 deployment
I have been trying to build up a window's 7 and 2k8 EFI deployment ISO or USB.
But struggling to to even get an ISO to boot from even VMware Workstation EFI implementation. The problem is there is no ...
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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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ProLiant Gen8 Microsoft BIOS records 8GB put POST only shows 4GB
I've got a HP Proliant Micro Gen 8 server. I've had it a while with 1 4GB RAM stick installed. I've now installed another 4GB RAM stick, its the same type, except its not an HP genuine stick (...
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Turning off HyperThread by BIOS or kernel?
Is there any performance difference between these disabled HyperThread scenarios? Which is the best, and why?
Disable HT in BIOS
Use noht kernel parameter
The high-optimized parallel applications ...
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Update all firmware on HP DL380 G5 server
I have an old HP DL 380 G5 server I got from work on which I have installed ESXi 6.0. I have a few different guest OSs running on it and am using it for testing several applications. I have increased ...
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HP Proliant Gen8 boot failure after bios upgrade and processor upgrade
We have a HP Proliant DL360P with one Intel Xeon e5-2650, and we was in need to use two Xeon e5-2670 V2, this server by default this G8 did not recognizes the v2 processor, so we found this procedure ...
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Dell PowerEdge R720xd stuck in BIOS [closed]
I have a Dell PowerEdge R720xd that gets stuck in the BIOS when booting. It successfully gets past the "configuring memory" and "configuring iDRAC" screens, but once it shows the "CPLD version : 103" ...
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unattended BIOS configuration for HP server (DL160SE G6)
We are having a big deployment of servers (DL160SE G6) and I need to find a way to configure their BIOS settings without going through the RBSU of each one - It would take too long.
I am thinking ...
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Esxi hypervisor install: uefi or bios?
I recently bought Dell PowerEdge T430 server and I want to install on it ESXi 6.0. Since VMware now supports UEFI (from version 5.0) I want to ask how to install hypervisor?
BIOS
UEFI
After install, ...
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Grub 1.99 default?
I have been running into an issue. I have my grub set to run the only OS on power on, and the BIOS to automatically restart the machine if it dies. The issue is that if the machine dies (from say a ...
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What are the differenced between SuperMicro console terminal types ANSI, VT100 and VT-UTF8
I tried to find a comparison between various terminal types configurable on SuperMicro console to serial BIOS redirection but I was not able to find any.
Can someone make a brief comparison of these?
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why ACPI SLIT is disabled by default?
I've found such option on my server:
ACPI SLIT Preferences
NOTE:
This option is available on Gen8 servers with Intel processors. ACPI SLIT (System Locality Information Table) describes the relative ...
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CPU?: Not responding
I'm attempting to build a system for co-location. I've been running into issues while trying to install CentOS 6.3
System Specs:
Motherboard: ASUS m5a99x
Process: AMD FX-8120 (8-core Bulldozer)
...
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ECC RAM, Background Scrubbing, and IOMMU BIOS Settings
I'm upping the RAM in one of our servers from 2GB to 4GB. Looking around in the BIOS, I see the following settings:
DRAM ECC Enable (Enabled)
MCA DRAM ECC Logging (Disabled)
ECC Chip Kill (Disable)
...
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Large percentage of identical systems hang on soft reboot
Reaching out for any other ideas after banging my head against this problem for a week.
We have approximately 100 identical systems using the AAEON PICO-ITX BT01 motherboard with J1900 Celeron ...
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How do I disable "Processor Power and Utilization Monitoring" on an HP ProLiant server?
I'm tuning my server for low-latency. The HP low-latency guide suggests to disable this option "Processor Power and Utilization Monitoring" because:
Disables iLO Processor State Mode Switching
and ...
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Entering BIOs Setup from Supermicro IPMI KVM
I'm having trouble getting into BIOs Setup from Supermicro IPMI "KVM" - Remote Control Console Redirection. I need to change the boot order to CDROM first. I'm running Windows 2008 server.
After ...
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