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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Computer does not boot after changing hdd and reverting back

1) I have an existing HDD in my computer that dual boots linux and windows using the traditional bios way. 2) I then swap in another HDD and install linux on it with uefi. It boots and reboots fine. ...
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1answer
2k views

Entering supervisor mode in PhoenixBIOS

I'm trying to change the boot order on a VM that uses PhoenixBIOS. I can get to the setup utility. However, I can't figure out how to get into supervisor mode, which is required to change the boot ...
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4answers
4k views

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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1answer
3k views

How to boot to BIOS - IBM System X3400 M3

I need help to boot to BIOS for my IBM System X3400 M3. What I know is pressing F12 to boot to BIOS. But every time I presses F12 it never go to BIOS. Instead it boots to my ESXi. UEFI is very slow. ...
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IBM X3650 M3 How to correct errors communicating with IMM?

I've inherited a IBM x3650 M3 server that posts errors communicating with the IMM. IBM's recommendation is to place IMM jumper into recovery mode, then re-flash the IMM. The problem is that after ...
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2answers
88 views

Dell Poweredge 1850 - stuck on - Press <Ctrl><M> to Run Configuration Utility screen :(

Hardware - Dell Poweredge 1850. So here is the sequence of events so far: Take 1: Powered On: Dell Logo screen shows up with progress bar. On the same screen BIOS version A01 can be seen. The ...
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2answers
6k views

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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2answers
14k views

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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1answer
92 views

Zotac Zbox CI320 Nano UEFI BIOS issue “CMOS Error was detected. BIOS Settings have been restored”

I just purchased a brand new Zotac ZBox CI320 Nano for a week and I am using 4GB DDR3 1333 MHz CL9 1.35V SODIMM GSKILL ram and Kingston SSDNow V300 120GB SSD. I installed Windows 8.1 successfully, no ...
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1answer
319 views

dell r710 hangs at bios screen

We have a used dell r710 system that will boot randomly , about 30% of the time. The rest of the time (warm boot or cold boot), the system hangs at the dell bios screen, with the white progress bar ...
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4answers
4k views

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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2answers
461 views

How can I access the bios remotely on a desktop computer acting as a server? [closed]

What are the options for having remote control via network of a computer even down to the "bios" level. I've seen Dell's DRAC / Out-of-band management that they have for their servers, and typically ...
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2answers
3k views

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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1answer
2k views

Entering BIOS via HP iLo2 remote console

I want to enter BIOS remotely via HP iLo2 remote console. However, I tried to press F8,F10,Esc-8 and Esc-10. None of them works. Could someone teach me how to do so? Thank you. Regards, yuwen
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5answers
3k views

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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0answers
52 views

hp proliant microserver not detecting hard drive

So, I've hit a bit of a wall with the HP Proliant Microserver N40L. I'm trying to install a new hard drive, 4 TB, but it's not being detected by the BIOS and thus, not the OS either. It just spins up, ...
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1answer
46 views

HP ProLiant DL365 G5, USB and PS/2 Do not work during Boot

Good evening all, The situation up until the REAL point of failure; Dual Opteron 2300 Quad-Core (I'm not positive but I think theyre running at 2.6Ghz) 24Gb RAM (2Rx4 PC2-5300P-555) (lost 8Gb to a ...
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2answers
1k views

How to configure Apple Power Mac to boot headless (without keyboard or monitor)?

I have a couple of Apple Power Mac G5 machines that I have deployed as servers: they're running GNU+Linux, connected to the world only via an ethernet cable. When I need to restart these machines, ...
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1answer
68 views

How to detect Bios Rootkits on a server mainboard?

I recently read about a talk by Corey Kallenberg and Xeno Kovah given at the CanSecWest-conference which describes how the firmware of a server mainboard can be reprogrammed to include malicious ...
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2answers
84 views

HP Proliant ML110 POST fails with large (4GB) USB Disk attached

I have a HP Proliant ML110 G5 (tower) which fails to boot whenever a large disk (4TB) is attached via USB. The machine displays the HP logo for a very long time (the POST on these machines is long ...
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3answers
5k views

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 ...
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4answers
2k views

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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2answers
5k views

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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4answers
6k views

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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1answer
945 views

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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70 views

Possible to decrypt FDE/SED Samsung 840 upon boot without native BIOS/UEFI support for ATA password?

It's possible to encrypt and decrypt a drive with hdparm coupled with Full Disk Encryption like some Samsung and Intel SSDs. What I'm curious about is if it's possible to use with a Desktop ...
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2answers
3k views

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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355 views

X7DWN+ 14GB Memory Fitted - 10GB Detected by BIOS

We have a Supermicro X7DWN+ motherboard with two Xeon L5420 CPU's installed. There is a total of 14GB memory installed, however the BIOS is only seeing 10GB. The memory has been tested in another ...
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1answer
27 views

Solaris 11.1 Install Error (USB)

I'm trying to install Solaris 11.1 on a Supermicro SYS-1027GR-TR2 from the LiveDVD. It is not on Oracle's HCL but it is on Supermicro's Solaris 11.1 supported list. At the beginning of LiveDVD boot, ...
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1answer
3k views

Update BIOS on Sun Fire X4150 server

I have some Sun Fire X4150 servers with a very old BIOS release (1ADQW015), which seems to have some compatibility problems with WMware ESX Server 3.5 and Windows 2008 R2 virtual machines; so I want ...
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1answer
165 views

Supermicro NICs gone after BIOS update

Just updated the BIOS of two Supermicro 1022G-URFs to R3.5. They've both the mainboard H8DGU-F with two onboard Intel 82576 NICs. One of the two Supermicros doesn't have any visible NICs at all after ...
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1answer
13k views

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" ...
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13answers
23k views

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 ...
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1answer
193 views

Can I perform an IPMI bios update without a supported CPU?

I'm considering to build a server using the Supermicro X10SLL-F board with a Xeon E3-1231 v3 CPU. However, according to my research, this CPU requires a BIOS update (unfortunately Supermicro does not ...
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1answer
196 views

configure power restore policy HP ProLiant BL2x220c G6 [closed]

After each reboot my server automatically powers on: Power Overload : false Power Interlock : inactive Main Power Fault : false Power Control Fault : false **Power Restore Policy : ...
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1answer
295 views

HP DL585 G6 and PCIE SSD

We recently acquired a HP DL 585 G6, fully populated with SAS drives etc, we want to use a PCIe SSD and have brought an Asus RIADR Pcie SSD however the bios fails to recognize this, can anyone suggest ...
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172 views

Cisco UCS C22 M3 Rack-mount BIOS Recovery

So my Cisco UCS Server's BIOS is corrupt and needs reflashed. When it boots it simply gives me the recovery instructions such as put the recovery.cap file in the root directory of a USB drive then ...
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1answer
36 views

9650SE-4LPML RAID Controller BIOs not showing HDDs

I've got a fresh server put together with a 9650SE-4LPML controller card in it with the intention of setting up RAID 1 with two 2TB HDDS. When I boot up and go into the RAID controller BIOs, the ...
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0answers
21 views

BIOS ORCA Conflict

I have an HP raid controller that tries to run ORCA while the motherboard is running its BIOS startup sequence. When a drive is connected, the BIOS freezes and beeps sequentially. When F8 is pressed ...
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1answer
216 views

HP ProLiant DL380 G5 BIOS Settings Wont Stay

Due to a damaged PCI-E interface, the motherboard was replaced on this HP ProLiant DL380 G5. Every boot the POST reports: System currently defaulted to typical configuration settings Any ...
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1answer
134 views

3ware raid controller does not get a proper reset signal after a reboot

I have a linux server that has a 3ware controller 9650SE-4LPML connected. Today, I migrated this server with all its disks and raid controller to a new motherboard + cpu + ram (gpu is also changed). ...
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3answers
4k views

Dell SC1435 always requires F1 at boot

I have a Dell PowerEdge SC1435 that has come back after doing duty at a partner site. I am trying to configure it for local use. The only problem I have with it is that every time it boots it always ...
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2answers
2k views

HP ProLiant Gen8 BIOS settings for VMware ESXi

What BIOS settings should be set on a HP BL460c Gen8 server so that ESXi 5.5 runs correctly?
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235 views

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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2answers
215 views

Update Server BIOS - Supermicro 5015A-EHF-D525

I've got a Barebone-Server with the Supermicro 5015A-EHF-D525 Mainboard. Now I urgently need to update the BIOS to the newest version. Too bad I've never done that before and google isn't much help ...
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2answers
5k views

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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1answer
2k views

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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2answers
540 views

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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1answer
513 views

DELL PowerEdge 2950 stuck on BIOS

My DELL PowerEdge 2950 is Stuck on BIOS 2.7 screen and does not advance at all, keyboard is not responding either. How should I troubleshoot this issue? Here is the screen
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1answer
138 views

hp dl140 g3 how to repair after failed bios update

During updating bios to the new version (1.18) i got an error that computer can't read rom file. Then after reboot server did not start. Actually it starts but does not show anything, screen is blank, ...