Questions tagged [xeon]

Xeons are a line of Intel CPUs created specifically for servers or workstations.

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Core 2 Quad VS Xeon in PC CPU support

I wonder if an Intel Xeon CPU corresponding to a Core 2 Quad one will work on system which supports Core 2 Quad Processors? I want to buy a Core 2 Quad but I see many same type Xeon CPUs are on sale. ...
George G.'s user avatar
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Is it possible to use core processors instead of xeon?

We need to include QSV feature in deployment. We just thought of having i5/i7 processors instead of Xeon. Because they are having QSV feature as default. So we thought instead of using C226 chipset ...
Vanns's user avatar
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Software stack install trouble for Intel Knights Landing

Intel's new Knight's Landing processor has builtin support for hosting OS and is no more a pluggable card MIC as in the traditional systems. Now when I try to install the MPSS one of the step is to ...
Ketan's user avatar
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PC(s) wont post - Memory Error

I am in the final stages of building two PCs, but upon testing, neither pass POST. When turned on, fans spin and lights flash but there's no BIOS screen and motherboard error related to memory. PC 1 - ...
Wazzow's user avatar
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-1 votes
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Will the Intel W2600CR2 accept Xeon E5-2600 v1 CPUs?

Given the currently very low price of used 8 core Xeon E5-2670 v1 CPUs, I'm looking for a matching dual LGA2011 motherboard. The Intel W2600CR2 fits the bill but is specified by Intel to support ...
Cygon's user avatar
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How to disable some cores on Intel machine

I have a machine with two Intel(R) Xeon(R) CPU E5-2618L v3 processor, which has 8 cores on each socket. I only want the OS or hypervisor (such as Xen) on the machine to detect only one socket and ...
Mike's user avatar
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5 beeps with Xeon E3-1230L V3 installed?

I've bought a Xeon E3-1230LV3 1.8 GHz CPU, and a Asus H97M Plus motherboard. When I power it up it makes five short beeps. I tested the motherboard with a different Core i7 and a Celeron, and both ...
Allanrbo's user avatar
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Why is this Xeon designed to be capable of 2 clock rates?

Why would the Xeon X5650 processor operate on either 2.7GHz or 3.1GHz when it most likely is designed into a system that is always connected to an AC power supply?
H2ONaCl's user avatar
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Xeon memory bandwidth specification incongruency

How can this Xeon achieve the stated 102 GB / s memory bandwidth with the following configuration: Channels: 4 Type: DDR4-1866 The max. theoretical bandwidth would be 59.712 GB / s. The ...
IamIC's user avatar
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Is there a specific order for inserting dimms in a server motherboard?

So I just got an Intel S5400SF server board and I have 8 sticks of 2gb RAM. I was wondering since there are 16 slots, is there a specific order which I should insert the slots in? I know that with ...
Nano's user avatar
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Is there any way to force a Xeon 1650 v3 CPU to not change its operating frequency?

I have a SuperMicro X10SRi-F server with a Xeon 1650v3 CPU. I'm trying to disable frequency scaling on the processor without any luck (don't know if it is even possible at all). I've disabled Speed ...
Pablo Montilla's user avatar
2 votes
1 answer
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Error on warm reboot, not on cold boot

Every time I boot my computer from the power-off state, it works fine (cold boot). However, whenever I reboot the machine (ex: shutdown /r) it will hang on the next boot-up. This problem has been ...
labradore's user avatar
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2 votes
2 answers
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Why is Xeon processor suited for HPC?

Among the different specs for Xeon, available here, http://ark.intel.com/compare/87720,84679, which aspects makes it relevant for HPC ? The processor base frequency is less than for Core i7. Why ...
kiriloff's user avatar
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How is multiprocessing related to cores and threads?

I am interested in the Intel Xeon E5-1650 v3 and the Intel Xeon E5-2643 v3 processors. They both have 6 cores and a clock speed of ~3.5GHz. However, the specifications from CPU-world (screenshot) show ...
Borealis's user avatar
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Power supply unit for Intel server motherboard S1200v3RPS with Xeon E3 processor. 5-pin aux power cable missing

I am trying to put a server together to install Ubuntu. I bought an Intel S1200v3RPS motherboard and plugged an Intel Xeon E3 processor into it. I purchased a 1U chassis from Supermicro with a power ...
Sunny's user avatar
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How to enable another Intel Xeon Phi coprocessor?

I have a server with one MIC card (mic0), and it works well. Recently, I added another MIC (mic1) on the same server. mic1 could be detected by lspci, but doesn't appear using ifconfig. How could I ...
troore's user avatar
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Xeon E5 1600 v3 family - dual cpu [closed]

I want to build a multi cpu workstation, and I have never built multi cpu computer before. I wonder if the E5 1600 v3 family support multi cpu setups or if I should use the E5 2600 v3 family instead. ...
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4 answers
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Is too big cache a bad idea? [duplicate]

I am going to pack a new computer for myself and I thought about Xeon series as main processor. Xeons tend to have very big caches even up to 32MB. And here is a question: Is it a big advantage to ...
oneat's user avatar
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Windows Task Manager not showing all cores?

I have Fujitsu RX200 S6 servers, which are Xeon 5500/5600 compatible. Up to today, I had dual X55nn (not sure of exact model) installed. Windows Task Manager was showing 24 separate graphs. I was ...
ilya's user avatar
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Mathematica benchmark on two different system

I have two system one has a Xeon E5-1650 CPU, 24GB of RAM, and a 7200rpm hard drive. The other system which is a Lenovo G510 laptop, has a core i7-4700MQ CPU, 4GB of RAM, and 5400rmp hard drive. The ...
MOON's user avatar
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9 votes
5 answers
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Why does a Xeon processor cost much more than a similar Core i7 part?

I want to know why the price of a Xeon CPU and a similar Core i7 CPU is so different. The CPU clock is more or less the same. I want to know this because I want to have an understanding of what kind ...
MOON's user avatar
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Motherboard with socket LGA1150: Xeon or I5? [closed]

I have 3 Tyan S5532GM2NR-LE motherbords. The wholesaler didn't yet shipped the mathcing Intel Xeon E3-1230v3 processors. I'd like to start preparing the 3 servers so I think using temporary processors ...
Gregory MOUSSAT's user avatar
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Will Intel HD graphic benefit RDP only server?

For my new software developing company , I am deciding to purchase one of the following Intel XEON processor INTEL E3 1230 V3 (No intel HD cheaper by ~ $30) INTEL E3 1245 V3 (Intel® HD Graphics ...
Mr Coder's user avatar
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HP Z400 with Xeon W3520 2.66 Ghz

I have a HP Z400 with Xeon W3520 2.66 Ghz. Would it be a benefit if I replace the mentioned CPU with I7 930 for they both use LGA1366? Would it even work? http://h18000.www1.hp.com/products/...
John's user avatar
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Is Intel Server board sh3200 with xeon x3220 good for virtualization? [closed]

I am wondering if the sh3200 and xeon x3220 will run virtualization well. I have this server running and it's fine but I want to throw on some virtual servers. My plan is to run linux/ubuntu with ...
user277244's user avatar
1 vote
2 answers
1k views

Xeon X3430 usable memory limit

I Installed new 4x8GB RAM chips on my Xeon X3430 that's uses Windows server 2008 r2 standard, although 32GB is shown only 16GB is usable, why?
Roey Nissim's user avatar
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CPU and Thermal Types

I just noticed there were several types of pastes. Are some better then others? Such as when mounting a XEON chip is it better to use another paste over something basic.
Jason's user avatar
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Choosing which core to use when running a program

I work on a Fedora server running on an Intel Xeon with 15 cores. Some users are running simulations that take up four of the cores, but others seem to be unused. Is there a way I can have a program ...
lesolorzanov's user avatar
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2 answers
287 views

Lenovo ThinkServer TS130 1105 - does 32/64 depend on RAM configuration?

Just got in a Lenovo ThinkServer TS130 1105 (Xeon E3-1225V1) and a (new, sealed, holographed, looks legit) copy of Windows Server 2008 32/64 (standard) to run on it for a pretty lightweight job (...
Ecnerwal's user avatar
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Intel Core i7 4770 or Xeon E3-1240 V3 [closed]

I'm trying to decide wether to get a Intel Core i7 4770 or a Xeon E3-1240 V3 processor. Their specs are exactly the same, except that the i7 has integrated graphics, and the Xeon does not. The Xeon is ...
player's user avatar
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Windows 7 won't use all my CPU's cores

My computer (HP xw6600 Workstation) has two Intel Xeon processors which have 8 cores each, but system manager and performance manager only see four cores. The Device Manager shows eight Intel(R) Xeon(...
user256389's user avatar
2 votes
1 answer
2k views

What's more important for a 3D CAD program, GHz or QPI? [closed]

We are getting ready to buy a Xeon-based workstation for a coworker who will be using Pro/E 3D CAD software. For the processor we need to choose between an E5-1607 (3 GHz with 0 GT/s QPI) or an E5-...
SSteve's user avatar
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1 answer
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What is the best way to get optimal processing power?

I am building a 'server computer' for my house. I wonder if it is better to buy two Intel Xeon E3-1240 V3 processors and run them on the same motherboard, or to buy an Ivy bridge-e processor, like ...
Trevor Rudolph's user avatar
9 votes
3 answers
1k views

Xeon vs overclocked i7 Extreme for lowest latency

I am aware that the differences between high-end i7 and Xeon are: compatibility with dual socket motherboards, total L2/L3 cache size. overclocking capability. extra cores - Haswell i7-...
elleciel's user avatar
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1 answer
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Would it be possible to upgrade a Mac Pro 2010 5,1 with a W3530 to a W3670?

I spent the last two hours trying to find a solid answer to this and come up empty-handed. They share the same socket, same memory speed... I'm just not sure if the system will be able to handle ...
SouthFresh's user avatar
1 vote
1 answer
2k views

Is "limited overclocking" supported by Ivy Bridge Xeon?

Intel Core i5 and i7 desktop processors in the Sandy Bridge and Ivy Bridge families support limited overclocking, where you can push the turbo boost multiplier to 4 bins above the standard. For ...
netvope's user avatar
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1 vote
1 answer
946 views

Heatsinks and Xeon E5 CPUs

I've constructed a server that uses 2 Xeon E5-2620 CPUs and per Intel's recommendation I'm in the process of ordering a heatsink and I'm slightly concerned about thermal management. The case I'm using ...
Jason Tzen's user avatar
1 vote
1 answer
2k views

Passive and active heat sinks for Xeon 5472

This is my first post, so I apologize if I'm not following any particular protocol or have posted this in the wrong category; please let me know if I need to change or re-post elsewhere. (thank you) ...
Jay Taplin's user avatar
0 votes
2 answers
2k views

CPU requiring pairs of RAM DIMMs [closed]

I want to set-up a machine using 2 Intel Xeon E5-2620 CPUs and 2 16GB DIMMs. I am now told that for both CPUs to function, I need at least 2 pairs of identical DIMMs (4 DIMMs total). Is that true? ...
Jason Tzen's user avatar
2 votes
0 answers
126 views

on xeon, does addq require 2 clock cycles?

How many cycles are required to add long ints on a xeon? from timing trials, it appears that 2 clock ticks are needed. /proc/info says model name : Intel(R) Xeon(R) CPU X5660 @ 2.80GHz ...
boddyl's user avatar
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3 votes
1 answer
1k views

Difference between Intel Xeon E3 and Xeon X... family of processors?

I'm completely confused by Intel's naming system. I understand what makes Xeon E3 different from i5. But what, for example, makes the Xeon X3440 different from E3-1230? (Apart from clock speed).
John Wheal's user avatar
2 votes
0 answers
1k views

Disable hyperthreading on MacPro Xeon

We need to disable hyperthreading on several MacPros. We have just two types of Macs - Dual QuadCore 2.4 "Westmere" and single CPU SixCore 3.66 "Westmere". All machines run 10.6.8 For some strange ...
Yulik's user avatar
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4 votes
3 answers
4k views

Xeons with IMC (Integrated Memory Controller) -- does ECC support depend on the chipset also?

Intel has released Ivy Bridge Xeon processors with PCIe 3.0, ECC, and VT-d support. However, there aren't yet any PCIe 3.0 + USB 3.0 C21x (Panther Point) boards available, while B75 and Z77 desktop ...
Ben Voigt's user avatar
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2 votes
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Confused by CPU model

I've got a Linux box that's been whirring away in my loft for quite some time, and I thought I'd check if the CPU was x64 compatible. I've run cpuid on the system, and the key information it reports ...
Bryan's user avatar
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12 votes
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Is the L3 cache shared by all cores for a Sandy-Bridge E Xeon CPU?

In a related question I asked about the benefit of a dual-CPU system in terms of doubling the L3 cache. However, I have noticed that the Xeon E5-2600 series of CPU's has exactly 2.5 MB of L3 cache ...
Dan Nissenbaum's user avatar
2 votes
0 answers
119 views

Have anybody tested R multicore packages on 10-core Xeon how do they scale in comparison with case of 4 core machine?

Have anybody tested R multicore packages (for example : parallel, multicore, snowfall, foreach) on 10-core Xeon ? How do they scale in comparison with case of 4 core machine ? What algorith have you ...
Qbik's user avatar
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5 votes
3 answers
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Impact of the L3 cache on performance - worth a dual-processor system?

I will be purchasing a new high-end system, and I would like to have a better sense of whether a dual-processor Xeon system (I am looking at the new, high-end Xeon E5-2687W) might, realistically, ...
Dan Nissenbaum's user avatar
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3 answers
867 views

why i7-860 is two times slower than E3-1220?

I have financical trading software. It decodes fast/fix messages. I'm running same binaries on two different machines on very similar set of data. Software receive "messages" and decodes them. The ...
Oleg Vazhnev's user avatar
2 votes
2 answers
2k views

Mounting LGA1366 Xeon w3680 on a motherboard

I am putting a home server/workstation together and am having a hard time mounting a Xeon W3680 onto a Supermicro MBD-X8DTH-6F-O board. Its the first time in a good 10 years that I assemble a machine ...
kmnd's user avatar
  • 23
0 votes
1 answer
86 views

Clarifications on the nehalem processor

I'm looking at some servers and I'm confused as to the Nehalem processor. The processor is made by intel, but looking at the wiki: http://en.wikipedia.org/wiki/Nehalem_(microarchitecture) Why are ...
user27449's user avatar
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