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.

learn more… | top users | synonyms

20
votes
4answers
2k views

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 ...
11
votes
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 ...
10
votes
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 ...
10
votes
2answers
2k views

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 ...
9
votes
1answer
12k views

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 ...
8
votes
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 ...
7
votes
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 ...
7
votes
1answer
4k views

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 ...
6
votes
6answers
12k views

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 ...
5
votes
3answers
811 views

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 ...
5
votes
1answer
8k views

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 ...
4
votes
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 ...
4
votes
1answer
285 views

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 ...
4
votes
1answer
654 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 ...
4
votes
1answer
4k views

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 ...
4
votes
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) ...
4
votes
0answers
218 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 ...
3
votes
2answers
509 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 ...
3
votes
1answer
4k views

How do I configure hardware raid in a Poweredge 2850?

I just bought a Dell Poweredge 2850 from Craigslist and for the most part I'm happy with it's $300 price-tag, but I cannot figure out where to configure the embedded hardware raid... I've seen online ...
3
votes
1answer
4k views

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 ...
3
votes
2answers
2k views

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 ...
3
votes
2answers
131 views

Get BIOS complete detail from proc filesystem

Does anyone know how can i get the detailed description about bios settings using proc filesystem. I know commands like dmidecode can provide information about bios but they provide very limited ...
3
votes
1answer
137 views

IBM Server searching for secondary server

I just bought the following server IBM System x3950 Server, 4 x 3.0GHz Dual Core, 32GB, 6 x 73.4GB 10K SAS RAID, 256MB BBWC, 2x Power, CD-RW/DVD When i boot it up, it says "Searching for secondary ...
3
votes
1answer
163 views

Why do server vendors always ship them with disabled hardware virtualization support? [duplicate]

Possible Duplicate: Enabling hardware virtualisation BIOS; anything to beware? This, which seem to be common practice for all hardware vendors, has been bugging me for a while: why is ...
3
votes
2answers
2k views

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 ...
2
votes
4answers
7k views

Install Dell BIOS updates from bootable linux USB key

What's the best linux distribution to put on a USB key to install the dell BIOS updates? I tried fedora but it was missing some dependencies and didn't work. Any instructions or step-by-step ...
2
votes
3answers
8k views

How to PXE boot if BIOS does not suppport it

Situation: I have an old rack server that I want to use as a test machine. The BIOS does not support network boot, and cannot be upgraded. I need to install a fresh OS on it. Is there anything I can ...
2
votes
1answer
2k views

How do I disable “Processor Power and Utilization Monitoring” on an HP ProLiant server?

I'm tuning my server for low-latency The guide suggests to disable this option "Processor Power and Utilization Monitoring" because: Disables iLO Processor State Mode Switching and Insight Power ...
2
votes
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 ...
2
votes
1answer
280 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 ...
2
votes
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 ...
2
votes
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 ...
2
votes
2answers
4k views

How can I flash the BIOS on a Dell T5500?

I been given a Dell T5500 Workstation that used to be maintained by a gentleman that no longer works at the company I work for. The workstation has a BIOS admin password as well as a BIOS boot ...
2
votes
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, ...
2
votes
2answers
2k views

Dell Power Edge 2950 - E211 SBE LOG DISABLE DIMM6

Any idea of what this error E211 SBE LOG DISABLE DIMM6 could mean? Anyone have experienced this? I know that it sound pretty obvious, that is the 6th bank of my memory, and guest what: I have ...
2
votes
1answer
58 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 ...
2
votes
1answer
133 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 ...
2
votes
1answer
3k views

How To Change Dell Bios Settings Remotely?

I recently noticed at a clients that their Dell laptops appear to have SMART disabled in bios by default. I noticed this while swapping out a disk on a desktop which had failed without any warning.. ...
2
votes
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 ...
2
votes
3answers
1k views

Increase virtual hard disk size for Fedora 10 VM

I currently have a Fedora 10 VM on VMWare. I'm out of space on the Fedora 10 hard drive and need to allocate more; so far I've been following these instructions. A quick summary is: shut down ...
2
votes
1answer
1k 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 ...
2
votes
1answer
1k views

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 ...
2
votes
1answer
402 views

Poweredge 750 cannot startup after power failure

After a recent power failure my poweredge 750 powers on but just sits on the Dell A06 bios loading screen. I tried resetting the bios' memory by removing the battery and restarting after 15min to no ...
2
votes
1answer
562 views

In the ESXi 5 console, how to press the <+> and <-> keys on the bios screens without the num part of the keyboard?

Sometimes we open vSphere from a restricted terminal that only has a basic ascii keyboard and f1-f12 and a mouse but is missing the additional numeric block on the right side of a big keybaord part ...
2
votes
1answer
11k 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" ...
2
votes
1answer
1k views

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 ...
2
votes
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 ...
2
votes
1answer
883 views

Microsoft System Center Configuration Manager (SCCM) scans GUID from BIOS?

A customer is planning to use SCCM (Microsoft System Center Configuration Manager). According to them, the software is looking for a GUID (Globally unique identifier) in BIOS but found out the the ...
2
votes
1answer
144 views

Dell BIOS Update Date

Is there a way to gather information as to when a BIOS on a particular server has been updated? I'm not looking for the BIOS release date, I'm looking for the date in which the bios was actually ...
2
votes
0answers
204 views

Hardware Clock (RTC) Stuck / Will Not Increment

After we rebooted one of our servers (RHEL), we noticed that it would hang when entering GRUB. The problem was the countdown in GRUB (Booting in 5... 4......) was not counting down, and was stuck at ...