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• Quad channel memory and compatibility

  - by balteo

  My motherboard has quad channel memory compatibility. There are 8 memory slots in all: 4 slots are black the other 4 slots are white. I currently have 4 memory modules of 1 GB each in the 4 white slots. That leaves me with 4 free memory slots. My question is: can I put 4 memory modules of 2 GB each in the 4 remaining slots or do I have to use modules of 1 GB all over? FYI here is the output of lshw: alpha description: Ordinateur Tour produit: Precision WorkStation 690 *-cpu:0 description: CPU produit: Intel(R) Xeon(R) CPU X5355 @ 2.66GHz *-memory description: Mémoire Système identifiant matériel: 1000 emplacement: Carte mère taille: 4GiB *-bank:0 description: FB-DIMM DDR2 FB-DIMM Synchrone 667 MHz (1,5 ns) produit: HYMP512F72CP8N3-Y5 fabriquant: Hynix Semiconductor (Hyundai Electronics) identifiant matériel: 0 numéro de série: 56737501 emplacement: DIMM 1 taille: 1GiB bits: 64 bits horloge: 667MHz (1.5ns) *-bank:1 description: FB-DIMM DDR2 FB-DIMM Synchrone 667 MHz (1,5 ns) produit: HYMP512F72CP8N3-Y5 fabriquant: Hynix Semiconductor (Hyundai Electronics) identifiant matériel: 1 numéro de série: 48115124 emplacement: DIMM 2 taille: 1GiB bits: 64 bits horloge: 667MHz (1.5ns) *-bank:2 description: FB-DIMM DDR2 FB-DIMM Synchrone 667 MHz (1,5 ns) produit: HYMP512F72CP8N3-Y5 fabriquant: Hynix Semiconductor (Hyundai Electronics) identifiant matériel: 2 numéro de série: 48115523 emplacement: DIMM 3 taille: 1GiB bits: 64 bits horloge: 667MHz (1.5ns) *-bank:3 description: FB-DIMM DDR2 FB-DIMM Synchrone 667 MHz (1,5 ns) produit: HYMP512F72CP8N3-Y5 fabriquant: Hynix Semiconductor (Hyundai Electronics) identifiant matériel: 3 numéro de série: 48115424 emplacement: DIMM 4 taille: 1GiB bits: 64 bits horloge: 667MHz (1.5ns) *-bank:4 description: FB-DIMM DDR2 FB-DIMM Synchrone 667 MHz (1,5 ns) [vide] fabriquant: FFFFFFFFFFFF identifiant matériel: 4 numéro de série: FFFFFFFF emplacement: DIMM 5 bits: 64 bits horloge: 667MHz (1.5ns) *-bank:5 description: FB-DIMM DDR2 FB-DIMM Synchrone 667 MHz (1,5 ns) [vide] fabriquant: FFFFFFFFFFFF identifiant matériel: 5 numéro de série: FFFFFFFF emplacement: DIMM 6 bits: 64 bits horloge: 667MHz (1.5ns) *-bank:6 description: FB-DIMM DDR2 FB-DIMM Synchrone 667 MHz (1,5 ns) [vide] fabriquant: FFFFFFFFFFFF identifiant matériel: 6 numéro de série: FFFFFFFF emplacement: DIMM 7 bits: 64 bits horloge: 667MHz (1.5ns) *-bank:7 description: FB-DIMM DDR2 FB-DIMM Synchrone 667 MHz (1,5 ns) [vide] fabriquant: FFFFFFFFFFFF identifiant matériel: 7 numéro de série: FFFFFFFF emplacement: DIMM 8 bits: 64 bits horloge: 667MHz (1.5ns) *-pci:0 description: Host bridge produit: 5000X Chipset Memory Controller Hub fabriquant: Intel Corporation identifiant matériel: 100 information bus: pci@0000:00:00.0 version: 12 bits: 32 bits horloge: 33MHz

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• Desktop bigger than screen

  - by alex

  I am using MSI U115 11" netbook (OS: Windows XP Home, graphics card: Intel Graphics Media Accelerator 500) and today after I switched it on, desktop was bigger than screen. To be exact: screen resolution was set to the lowest possible and I could move mouse outside of screen (but only below - left, right and up worked normally, mouse could not exceed screen boundaries). I changed resolution back to normal, but the problem with desktop being bigger than screen remained (as before, only lower part - cannot see task bar, etc. When I hit windows button on keyboard, only upper part of menu start is visible). What I already tried was changing all kind of graphics and screen settings - none of them helped. I also tried to restore the system to few days before, but it didn't help neither. What can I do to make the desktop look "normally"? EDIT: Some additional info regarding screen: Sorry it's in polish - but let me explain. There are two screens I can choose (Monitor domyslny means default screen), but the second one (the default one) is not available. After I choose it and click apply number 1. is used (and as you can see it has only two resolutions available. There are more in the second one - but without 1024x600 though). The two ticked and grayed out options here are Use this screen as the main one and Enlarge Windows desktop to match this monitor's size. Too bad I cannot change them. When I choose the second screen, the first box is unchecked and grayed out. The second box is available to be changed but it doesn't matter anyway as after applying changes it reverts to the first screen anyway. EDIT: Intel Graphics Media Control Panel screenshot.

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• No headphone or speakers plugged in - Windows 7 issue

  - by Amit Ranjan

  I am facing a wierd issue between my sound card driver and Windows7(any edition). I have a sony vaio notebook (VPCEB24EN). Two days ago, on start I got diabled wifi, charging and speakers. Then I restart the PC and everthing worked fine. Later on I again restarted my machine, and then I found the my speakers were not working. I thought, restart will work. I restarted many more times but it did'nt work. I searched google and found that , it might be due to : 1. Hardware is not switched on from bios. 2. No hardware. 3. overriding 64-bit drivers with 32-bit drivers. To make it working, I restored my laptop from scratched, but while restoring pc, the realtek HD drivers, it gave me an error 505. I then formatted the drive and installed Win7 Ultimate 32bit (With PC was, Win7 64-bit Home Basic). I got lots of yellow exclamation in device manager, thinking now this will resolve my issue. But Even after the installing all drivers on a fresh installation, I was still with the same position. A red cross on speaker- No Speakers or Headphone plugged in. Please Note: My Laptop is Vaio , E Series, VPCEB24EN. Audio : Intel® High Definition Audio compatible but accepts Realted Audio. While using BIOS Agent, I got Intel Chipset 5 Series Audio Adapter and ATI RV370 Audio adapter found on my board. Installed is Win7 32bit Ultimate. factory default was Win7 64-bit Home Basic Memory: RAM 3GB/ 320GB HDD Display : ATI Mobility Radeon™ HD 5145 Graphics

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• Vista x64: Improving troubleshoot approach skills

  - by Chau

  I'm not a Windows SuperUser, but neither just the regular user. I don't mind browsing the Registry, using Process Explorer, reading the Event logs, (un)installing new drivers and so on, but all this only makes me solve some problems. I tend though to run into problems where these tools aren't enough. Which tools should I learn about to improve my troubleshooting skills in Windows? Currently I'm using Windows Vista x64 (not moved to 7 yet), facing audio/video stuttering problems and I think this is a good place to improve my troubleshooting skills. I know this post is similar to this question, but my machine is only hanging occationally. Specs: Intel Q6600 Stock speed ASUS P5QD Turbo 4GB ram NVIDIA GTS-8800 640 HDA Xplosion 7.1 Seasonic 430W Windows Vista Business x64

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• SQL Server 2008 Web VS SQL Server 2008 Enterprise

  - by Jeremy

  I wrote an application a few months ago, and was hosting it out of our offices on a workstation with an Intel Core 2 Quad Q8200 @ 2.33GHz, 8 GB RAM, Windows Server 2008 Enterprise and SQL Server 2008 Enterprise. Both the webserver and database server were run on the same machine. We had a huge influx in traffic, and moved ClubUptime.com, and got 2 of their top teir windows VMs. The Database server runs Windows 2008 R2 Standard and SQL Server 2008 R2 Web on 8 GB ram and an Intel Xeon e5620 @ 2.40GHz. Ever since switching, the database which used to run at around 400MB in RAM now runs at around 4-7GB, and there haven't been any changes to it (other than a couple columns here and there). Our traffic has quadrupled, and our DB is 6 GB on disk, why would SQL server take up 7 GB if the DB is only 6. And why would it be storing the ENTIRE database in memory? Another thing is why growing 4 times in size did the database's memory footprint grow 12 times? Last question: Why does the CPU peg at 100% now where it didn't before? The design is simple, VERY few joins, NO subqueries. I am just at a loss, unless it is the SQL server edition, or the fact that I moved from real hardware to a VM.

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• Why does my DSDT table is different from what I found online?

  - by Hao Shen

  I have found a field in DSDT table where I want to modify from here http://www.ztex.de/misc/c2ctl.e.html Generally, I want to modify the _PSS field about the processor so that I can have more frequency levels available in the CPUfreq driver interface. I try to use this command to dissemble the DSDT table from my Desktop(Linux2.6.29,Intel CORE 2): cat /proc/acpi/dsdt > dsdt.aml iasl -d dsdt.aml Then I have a file dsdt.dsl as following(very long, so I just show the beginning of the file): /* * Intel ACPI Component Architecture * AML Disassembler version 20090123 * * Disassembly of dsdt.aml, Mon May 6 20:41:40 2013 * * * Original Table Header: * Signature "DSDT" * Length 0x00003794 (14228) * Revision 0x01 **** ACPI 1.0, no 64-bit math support * Checksum 0x46 * OEM ID "DELL" * OEM Table ID "dt_ex" * OEM Revision 0x00001000 (4096) * Compiler ID "INTL" * Compiler Version 0x20050624 (537200164) */ DefinitionBlock ("dsdt.aml", "DSDT", 1, "DELL", "dt_ex", 0x00001000) { Method (DBIN, 0, NotSerialized) { Noop } Scope (\) { Device (_SB.VBTN) ................... But I can not find the _PSS field as shown in the website I have given above. I do not know why? I am sure the current cpufreq driver shows 4 frequency levels available. So at least there should be something in the table showing this..right? Has anybody here played with the DSDT table before? Thanks,

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• WMI Sensors monitoring

  - by DmitrySemenov

  Monitoring tool Paessler stopped to monitor WMI Windows Sensors Paessler is Updated to version 12.4.5.3165. (10/30/2012 1:44:11 PM) Paessler windows sensors (against windows server 2008 R2 web edition) stopped to work (no changes have been made on server that we monitor) with the message Connection could not be established (80070005: Access is denied - Host: 192.168.2.10, User: Administrator, Password: **, Domain: ntlmdomain:) (code: PE015) However if I go to Virtual machine used to run Paessler and the following cscript runs successfully: strComputer = "192.168.2.10" Set objSWbemLocator = CreateObject("WbemScripting.SWbemLocator") Set objSWbemServices = objSWbemLocator.ConnectServer _ (strComputer, "root\cimv2", _ "Administrator", "pass") Set colProcessList = objSWbemServices.ExecQuery( _ "Select * From Win32_Processor") For Each objProcess in colProcessList Wscript.Echo "Process Name: " & objProcess.Name Next I'm getting output C:\>cscript test.vbs Microsoft (R) Windows Script Host Version 5.8 Copyright (C) Microsoft Corporation. All rights reserved. Process Name: Intel(R) Xeon(R) CPU X5680 @ 3.33GHz Process Name: Intel(R) Xeon(R) CPU X5680 @ 3.33GHz So WMI works a. I gave Administrator credentials for Device to monitor in Paessler setting, the same I used in the script above b. I restarted windows server (broken sensors) - but this didn't help c. I restarted Paessler probe service - no effect any ideas?

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• SSD causing 100% CPU usage in Apache/PHP

  - by Tim Reynolds

  I wanted to increase the performance on my development laptop so I added an Intel 320 Series SSD as my primary drive. Everything is amazingly fast, as expected, except Apache/PHP. I develop Magento by using an Ubuntu 10.10 virtual machine. Information: Host OS: Win 7 Professional 64bit Guest OS: Ubuntu 10.10 32bit Processor: i7 Chipset QM55 SSD: Intel 320 Series 160gb 30% full HDD: Hitachi 320gb 50% full (in side bay using an adapter) Laptop: Lenovo T510 Using: Shared folders Apache Version: 2.2.16 PHP Version: 5.3.3-1 APC Version: 3.1.3p1 APC Memory: 128M Using tmpfs for cache, log, session directories in Magento In the VM running on the SSD (VM files and source files are on the same drive) loading a product page in the Admin takes on average 26.2 seconds and uses 100% CPU for nearly the entire time. In the VM running on the old HDD loading the same page takes on average 4.4 seconds. It mostly uses around 40-50% of the CPU while rendering the page. I have read this post: Performance issues when using SSD for a developer notebook (WAMP/LAMP stack)? It says to change some settings in the bios. I have turned any and all power management features off in the bios. I can't for the life of me understand why this would be happening.

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• vyatta Server Reboots by itself

  - by Fernando

  I have an issue regarding some hardware, maybe you can help me. First, I set up a Supermicro Superserver SYS-5016I-NTF with a Intel Xeon X3470 and 4 GB of Ram with a Hotlava Card Tambora 64G4 with Intel Chipset 82599EB and 4x10G SPF+ ports. Installed Vyatta community edition 6.3. I used it as router making BGP connections with 2 operators. No load at all, temp ranges normal. But the issue is that it reboots by itself in a ramdom way. Not very often, once every few days. But it is unacceptable for production purposes. So I try to test on different hardware, and installed Vyatta community edition 6.3 on a Dell PowerEdge 2950, with Xeon(R) E5345 @ 2.33GHz and 4 GB of Ram. Same Vyatta configuration as Supermicro Server. With same hotlava Card model ( I bought two of them ) Well I have reboots with this equipment as well. Same frecuency as above. I have checked syslog no strange logs until boot process starts to be logged. So it seems server reboot suddenly. I have installed latest driver for the chipset of the Hotlava card. Servers are placed in a datacenter with UPS So finally two things in common in both servers: Hotlava Card. Someone with issues with this card, or the chipset?? Could be it this card?? Vyatta 6.3 community edition. I don't thing is the problem. Is a regular Debian with packages to glue together different services. Or maybe is something I am missing. Andy ideas, suggestions?? Thank you very much... Fernando

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• How to make phone calls using a phone

  - by user18151

  Hi, I have a phone landline connection and I DO NOT have a phone instrument. I connect the cable into my laptop, and want to make calls using my laptop. I have an HDA CX20561 modem. I seem to be able to dial number using dialer.exe, though nothing seems to happen. From Microsoft kb http://support.microsoft.com/kb/958143, it looks like dialer.exe alone is not enough for the call. Can somebody tell me how to make and receive phone call with whatever hardware I have, i.e. what software will I need. Thanks.

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• SCO UNIX problem: "Cannot create /var/adm/utmp or /var/adm/utmpx"

  - by Maktouch

  Hey everyone, I have an old server that doesn't boot. I don't know the version of unix installed, but I see SCO UNIX. It stops with that error: UX:init: ERROR: Cannot create /var/adm/utmp or /var/adm/utmpx UX:init: ERROR: failed write of utmpx entry: " " UX:init: ERROR: failed write of utmpx entry: " " UX:init: INFO: SINGLE USER MODE After that message, it just stops. I cannot write or press anything. Even CTRL + ALT + DEL does not work. I cannot get into the system. I have tried booting with a DamnSmallLinux LiveCD but it does not recognize the file system on HDA. Is there a way to either log in as root or bypass this error? Thanks.

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• SSD Drive not being recongized in BIOS

  - by chobo2

  Well I bought my first drive Mushkin Chronos 180GB and got it installed in my computer and loaded up. I went to windows 7 and initialized the drive and then I installed "SSDlife Free" and loaded it up and my the SSD drive came up said it was "powered on 3 times"(thought it was odd but then thought maybe some testing???). I then restarted my computer and loaded into Acronis. Went to my SSD drive and make a partition called windows(made a basic logical partition). I then loaded up Norton ghost and wanted to copy my current windows onto the SSD drive on the partition I made found out I could not do it through the recovery disk so I made a backup of my windows drive and wanted to then restore it onto the SSD drive. Came back an hour later when the backup was done. I tried to restore the it on my SSD drive and could not find the partition so I loaded up Acronis again and it did not see it. I then went to the bios and saw only my other hard drive. What I tried Tried uplugging and replugging in both sata and power cables. Tried using the power and sata cable from the working drive and giving it the ones that SSD drive were using. Tried Sata AHCI Mode (Intel ICH9 Southbridge) Tried SATA PORT0-1 NATIVE MODE (Intel ICH9 Southbridge) Nothing worked. Software / hardware Windows 7 ultimate Gigabyte S-Series GA-P35-DS3L Mother board I hope someone has some ideas on why it is not being recognized.

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• What does "cpuid level" means ? Asking just for curiosity

  - by ogzylz

  For example, I put just 2 core info of a 16 core machine. What does "cpuid level : 6" line means? If u can provide info about lines "bogomips : 5992.10" and "clflush size : 64" I will be appreciated ------------- processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 6 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 8 cpu MHz : 2992.689 cache size : 4096 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 6 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm bogomips : 5992.10 clflush size : 64 cache_alignment : 128 address sizes : 40 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 6 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 8 cpu MHz : 2992.689 cache size : 4096 KB physical id : 1 siblings : 4 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 6 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm bogomips : 5985.23 clflush size : 64 cache_alignment : 128 address sizes : 40 bits physical, 48 bits virtual power management:

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• Wrong Sound Blaster's PCI ID within Windows

  - by pavian

  I own Sound Blaster X-Fi Titanium, it was working with no problems under Linux or Windows 7. It's original PCI ID is 1102:000b but now I see different within MS Windows. BIOS setup: 1102:000b GNU/Linux: 1102:000b Windows 7: 1102:000d Windows 8: 1102:000d In last days I'm experimenting with IOMMU PCI passthrough in Xen and I tried to pass this device to virtual Windows 7 and 8. Here I found this problem. I don't know if this is just coincidence or reason of my problem but it's wrong even in physical system. Windows detects 1102:000d as a High Definition Audio sound device (I guess this name, I have localized Windows, but this is general name, the same was with Realtek HDA before drivers), it's playing but it's unstable (Windows speaker testing can crash that application) and I can't install Creative software. Used driver is hdaudio.sys. Booting in BIOS or UEFI mode doesn't change anything. Nor CMOS clean. Someone met the same problem.

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• Using physical disk with VMware Workstation

  - by chx

  I am using VMware Workstation 9.0 under Windows 7 and trying to load my Linux from Physicaldisk0. And it boots, grub sees the two partitions on the disk (I checked in command line) and the kernel and the initrd loads and then it stops saying "device not found"and drops me into an emergency shell. Indeed there is absolutely nothing in /dev not the /sda device it expects not /hda nothing that looks like a disk. Edit: I can boot the Linux disk just fine if I boot it from BIOS and not as a VM. Edit2: The question is, how can I make this setup work?

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• CentOS - dual boot from new partition

  - by Dima

  I need to install two copies of the CentOS 5.5 (bank A and bank B) on different partitions of the same hard disk and install grub boot loader to another partition (visible from both banks). The boot loader should redirect the boot menu to bank A or bank B (according to the configuration). The new partition is mounted to /common_partition and grub is installed on it using following command: grub-install /dev/hda In the new partition I'm created the following menu.lst file: title BOOTCONTROL REDIRECT : PLEASE WAIT root (hd0,1) configfile /boot/menu.lst boot On my setup: both partitions (bank A and bank B) are primary and grub is installed on MBR. The problem is: but the new boot loader (on common_partition) did not load. What wrong on my configuration?

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• Why is my second monitor not working?

  - by StampedeXV

  Since I have my new computer, I have a very weird problem. Facts: New Computer: Motherboard: ASRock Z77 Pro 3 Graphics-card: Asus1GB D5 X EN GTX560 DCII OC/2DI R CPU: Intel i5-3570 Windows 7 64bit 500W beQuiet special edition (92% efficiency) 8GB 1333MHz DDR3 Corsair RAM (CL9) Scythe Mugen 2 2 magnetic HDDs + 1 SDD 1 DVD-R Old Computer: Motherboard: Asus P55 something Graphics-card: Asus1GB D5 X EN GTX560 DCII OC/2DI R CPU: Intel i7-870 Windows 7 64bit 550W Corsair 8GB 1333MHz DDR3 Corsair RAM (CL9) Scythe Mugen 3 2 magnetic HDDs + 1 SDD 1 DVD-R On the old computer it worked fine with two monitors. Moving to the new (I took the same Graphics-card) it only works with one. The weird thing I mentioned is: not matter which one. But if I put both there, only one is available. There is no reaction at the start (where normally (at least if I remember correctly) the monitor shortly went from "standby" to "on"). Windows does not recognize a second monitor in the Device Manager. I have the latest drivers for Motherboard and Graphics-card. I have the latest BIOS drivers. I am out of ideas. Edit: completed computer setup

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• No video signal at boot with custom built computer

  - by Bart Pelle

  After booting my custom built computer, neither the VGA nor the HDMI methods from the video card seem to emit any signal to the display. I have tested both a regular VGA screen and a modern HDMI screen. Both did not receive signal. Below are the specifications from my computer build: Intel Core i5 3350P ASRock B75 Pro 3-M Seagate Barracuda 7200.14 ST1000 DM003 1000GB Corsair Vengeance LP CML 8GX 3M2 A1600 CGB Blue (2 cards) Cooler Master B Series B600 Club 3D Radeon HD7870 XT Jokercard Samsung SH-224 BB Black Sharkoon T28 Case The motherboard does not emit any beeps on startup. The CD tray opens properly and all fans spin. All cables are properly connected. All components are new and no damage was found on any of the components. The fans on the GPU spin aswell. The VGA test we did was by using the onboard graphics from the Intel i5, but this gave no result. The HDMI test was from the GPU which did not emit any signal either. We have not been able to test out the DVI, could this be important to test, even though all the other methods did not work? Thank you for your time and hopefully reply.

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• Are These Parts compatible?

  - by ell

  I have never assembled a PC before, although I have taken an old one apart and replaced a few parts in others here and there so I have (very) limited experience. I have been looking to make a pc and here are the parts I might buy: Foxconn P45AL Intel P45 (Socket 775) DDR2 Motherboard (with onboard sound I believe) Gigabyte GeForce GTX 460 OC 768MB GDDR5 PCI-Express Graphics Card Already have 2 1gb sticks of dual channel DDR2 memory Intel Core 2 Quad Q8400 LGA775 'Yorkfield' 2.66GHz 4MB-cache Processor Samsung SpinPoint F3 1TB SATA-II 32MB Cache Hard Drive Antec Dark Fleet Series DF10 Gaming Enclosure – Black I already have monitor, mouse, keyboard and DVD/CD drive Akasa Freedom Power 1000W Modular Power Supply I have never done this before so feel free to laugh at me for getting something obvious wrong, forgetting a vital component etc. but is all of this compatible? And have I gone overkill on the PSU, if so, please recommend one. Thanks in advance, ell. EDIT: Added PSU which I forgot to mention EDIT: I would be using this to surf the internet, write e-mails, chat, word process, play games such as team fortress 2 & spring rts (at highest graphics hopefully), some 3d modelling in blender, some opengl programming, and image editing in GIMP.

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• Windows Server 2012 Hyper-V very slow

  - by Matt Taylor

  I have been running several Hyper-V VMs on Windows Server 2008 R2 for the past couple of years and enjoying perfectly adequate performance for my testing/development/r&d environments. I'm a software developer so my hardware knowledge is basic however I built the rig using: •Gigabyte GA-X58A-UD3R Intel X58 (Socket 1366) DDR3 Motherboard •Intel Core i7 960 3.20GHz (Bloomfield) (Socket LGA1366) •24GB triple channel RAM The host OS is running on an OCZ SSD and all the VMs are running on a 2TB Marvell SATA3 RAID 0 array consisting of 2 Western Digital Caviar Black 7,200rpm drives. I have tested the speed of the 2TB drive and appear to be getting less than 3Mbs but it can adequately run a 4 VM farm including a DC, (SQL) database and IIS application servers. I recently upgraded the SSD on which the host runs to a 256GB OCZ Vertex 4 and took the opportunity to upgrade to Windows Server 2012 and installed the Hyper-V role. I tried importing one of my existing Windows Server 2008 R2 VMs (and converted it to .vhdx) plus I have tried creating a brand new Windows Server 2008 R2 VM but both are running extremely slowly and I can see nothing obvious using the host and guest Task Manager/Resource Monitor tools. In both cases the VM has 8GB RAM (fixed), 4 CPUs, fixed size HD (not expanding) and is using an external virtual network running on a separate NIC to the host. I have upgraded the BIOS to the latest available version and checked the virtualization settings. I have run out of "obvious" (to a developer) things to check/configure and my next option will be to re-install the host OS but before I do I would very much appreciate any advice from any experts out there. Thanks

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• What file transfer protocols can be used for PXE booting besides TFTP?

  - by Stefan Lasiewski

  According to ISC's dhcpd manpage: The filename statement filename "filename"; The filename statement can be used to specify the name of the initial boot file which is to be loaded by a client. The filename should be a filename recognizable to whatever file transfer protocol the client can be expected to use to load the file. My questions are: What file transfer protocols, besides tftp, are available to load the file (e.g. What protocols "can be expected to" load the file)? How can I tell? Can I see a list of these protocols? Does my choice of DHCP server influence which file transfer protocols are in use? Pretend I want to use dnsmasq instead of ISC's dhcpd Are these features dependent on the PXE which is in use (e.g. My Intel NICs use an Intel ROM)? I know that some PXE-variants, such as iPXE/gPXE/Etherboot, can also load files over HTTP. However, the PXE rom needs to be replaced with the iPXE image, either by chainloading or by burning the PXE rom onto the NIC. For example, the iPXE Howto "Using ISC dhcpd" says: ISC dhcpd is configured using the file /etc/dhcpd.conf. You can instruct iPXE to boot using the filename directive: filename "pxelinux.0"; or filename "http://boot.ipxe.org/demo/boot.php";

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• Windows 7 Won't Boot

  - by Vie

  I recently built a new computer, my fifth one. ASUS Maximus III Formula LGA 1156 Intel P55 ATX Motherboard EVGA 01G-P3-1452-TR GeForce GTS 450 Superclocked 1GB 128-bit GDDR5 PCI Express 2.0 x16 HDCP Video Card COOLMAX RM-1000B 1000W ATX psu Intel Core i7-875K lynnfield 2.93GHz LGA 1156 95w Quad-Core unlocked processor G.SKILL Ripjaws Series 16 (4x4GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) memory WD VelociRaptor WD3000GLFS 300gb 10000 RPM SATA 3.0Gb/s Hard Drive Sony Optiarc CD/DVD Burner model AD-7261S-0B LightScribe Windows 7 Home Premium 64-bit It gets hung up on the starting windows screen. When I went to install the OS it did the same thing wouldn't go past the windows logo, so I put the new HDD into my old computer and installed windows 7 thinking it was just an installer error. Put the fully installed HDD back into my new machine and it still gets stuck on the starting windows screen. I've tried most everything I've looked up. Disabled USB, Disabled Turbo Boost, Disabled everything that wasn't essential(just about every configuration I can think of), took it apart and put it back together, took all the ram out save one 4g stick(wouldn't even boot when I did this), did a memory scan which came back successful, I don't know what could be wrong. Only thing I can think of is a compatibility issue somewhere, but I've ran over it again and again and I don't know where there would be an issue like that. Need Backup! .<

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• How to make phone calls using a pc, modem, headphone and no actual phone instrument

  - by user18151

  Hi, I have a phone landline connection and I DO NOT have a phone instrument. I connect the cable into my laptop, and want to make calls using my laptop. I have an HDA CX20561 modem. I seem to be able to dial number using dialer.exe, though nothing seems to happen. From Microsoft kb http://support.microsoft.com/kb/958143, it looks like dialer.exe alone is not enough for the call. Can somebody tell me how to make and receive phone call with whatever hardware I have, i.e. what software will I need. Thanks.

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• Graphics Artifacts/ Texture Flickering

  - by Cerin

  Hey I been having some problems with artifacts in games. Sometimes textures flicker. Artifacts of various shapes and sizes show up usually after a couple games of dota 2. I built my computer almost exactly one month ago and it has been doing this pretty much from the start except before the artifacts I believe just flashed on screen fast enough to where I couldn't tell what it was but I still noticed. In dota I've seen green triangular artifacts among other things. I've tried running Furmark for a while but even though it pushes the gpu much harder than dota 2, there are still no artifacts. It maxes in furmark at about 60C and running every game I've tried on it at 40C. CPU and system temp don't usually get higher than 40C either. These are my system specs: Gigabyte Z68 Intel Motherboard 16 GB Gskill Ripjaws SDRAM DDR3 Sapphire Radeon HD 7770 GHz edition Intel Core i5-2500k (with built in gpu) Corsair 750 Watt PSU windows 7-64 bit I have the latest drivers for everything. What should I do about this? Try to RMA my graphics card? Are there other things that could be causing this?

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• Processes spawned by taskset not respecting environment variables

  - by jonesy16

  I've run into an issue where an intel compiler generated program that I'm running with taskset has been putting its temporary files into the working directory instead of /tmp (defined by environment variable TMPDIR). If run by itself, it works correctly. If run with taskset (e.g. taskset -c 0 <program> Then it seems to completely ignore the TMPDIR environment variable. I then verified this by writing a quick bash script as follows: contents of test.sh: #!/bin/bash echo $TMPDIR When run by itself: $ export TMPDIR=/tmp $ test.sh /tmp When run through taskset: $ export TMPDIR=/tmp $ taskset -c 1 test.sh "" Another test. If I export the TMPDIR variable inside of my script and then use taskset to spawn a new process, it doesn't know about that variable: #!/bin/bash export TMPDIR=/tmp taskset -c 1 sh -c export When run, the list of exported variables does not include TMPDIR. It works correctly with any other exported environment variable. If i diff the output of: export and taskset -c 1 bash -c export Then I see that there are 4 changes. The taskset spawned export doesn't have LD_LIBRARY_PATH, NLSPATH (intel compiler variable), SHLVL is 3 instead of 1, and TMPDIR is missing. Can anyone tell me why?

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