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  • IBM System x3850 X5 TPC-H Benchmark

    - by jchang
    IBM just published a TPC-H SF 1000 result for their x3850 X5 , 4-way Xeon 7560 system featuring a special MAX5 memory expansion board to support 1.5TB memory. In Dec 2010, IBM also published a TPC-H SF1000 for their Power 780 system, 8-way, quad-core, (4 logical processors per physical core). In Feb 2011, Ingres published a TPC-H SF 100 on a 2-way Xeon 5680 for their VectorWise column-store engine (plus enhancements for memory architecture, SIMD and compression). The figure table below shows TPC-H...(read more)

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  • How to Buy an SD Card: Speed Classes, Sizes, and Capacities Explained

    - by Chris Hoffman
    Memory cards are used in digital cameras, music players, smartphones, tablets, and even laptops. But not all SD cards are created equal — there are different speed classes, physical sizes, and capacities to consider. Different devices require different types of SD cards. Here are the differences you’ll need to keep in mind when picking out the right SD card for your device. Speed Class In a nutshell, not all SD cards offer the same speeds. This matters for some tasks more than it matters for others. For example, if you’re a professional photographer taking photos in rapid succession on a DSLR camera saving them in high-resolution RAW format, you’ll want a fast SD card so your camera can save them as fast as possible. A fast SD card is also important if you want to record high-resolution video and save it directly to the SD card. If you’re just taking a few photos on a typical consumer camera or you’re just using an SD card to store some media files on your smartphone, the speed isn’t as important. Manufacturers use “speed classes” to measure an SD card’s speed. The SD Association that defines the SD card standard doesn’t actually define the exact speeds associated with these classes, but they do provide guidelines. There are four different speed classes — 10, 8, 4, and 2. 10 is the fastest, while 2 is the slowest. Class 2 is suitable for standard definition video recording, while classes 4 and 6 are suitable for high-definition video recording. Class 10 is suitable for “full HD video recording” and “HD still consecutive recording.” There are also two Ultra High Speed (UHS) speed classes, but they’re more expensive and are designed for professional use. UHS cards are designed for devices that support UHS. Here are the associated logos, in order from slowest to fastest:       You’ll probably be okay with a class 4 or 6 card for typical use in a digital camera, smartphone, or tablet. Class 10 cards are ideal if you’re shooting high-resolution videos or RAW photos. Class 2 cards are a bit on the slow side these days, so you may want to avoid them for all but the cheapest digital cameras. Even a cheap smartphone can record HD video, after all. An SD card’s speed class is identified on the SD card itself. You’ll also see the speed class on the online store listing or on the card’s packaging when purchasing it. For example, in the below photo, the middle SD card is speed class 4, while the two other cards are speed class 6. If you see no speed class symbol, you have a class 0 SD card. These cards were designed and produced before the speed class rating system was introduced. They may be slower than even a class 2 card. Physical Size Different devices use different sizes of SD cards. You’ll find standard-size CD cards, miniSD cards, and microSD cards. Standard SD cards are the largest, although they’re still very small. They measure 32x24x2.1 mm and weigh just two grams. Most consumer digital cameras for sale today still use standard SD cards. They have the standard “cut corner”  design. miniSD cards are smaller than standard SD cards, measuring 21.5x20x1.4 mm and weighing about 0.8 grams. This is the least common size today. miniSD cards were designed to be especially small for mobile phones, but we now have a smaller size. microSD cards are the smallest size of SD card, measuring 15x11x1 mm and weighing just 0.25 grams. These cards are used in most cell phones and smartphones that support SD cards. They’re also used in many other devices, such as tablets. SD cards will only fit into marching slots. You can’t plug a microSD card into a standard SD card slot — it won’t fit. However, you can purchase an adapter that allows you to plug a smaller SD card into a larger SD card’s form and fit it into the appropriate slot. Capacity Like USB flash drives, hard drives, solid-state drives, and other storage media, different SD cards can have different amounts of storage. But the differences between SD card capacities don’t stop there. Standard SDSC (SD) cards are 1 MB to 2 GB in size, or perhaps 4 GB in size — although 4 GB is non-standard. The SDHC standard was created later, and allows cards 2 GB to 32 GB in size. SDXC is a more recent standard that allows cards 32 GB to 2 TB in size. You’ll need a device that supports SDHC or SDXC cards to use them. At this point, the vast majority of devices should support SDHC. In fact, the SD cards you have are probably SDHC cards. SDXC is newer and less common. When buying an SD card, you’ll need to buy the right speed class, size, and capacity for your needs. Be sure to check what your device supports and consider what speed and capacity you’ll actually need. Image Credit: Ryosuke SEKIDO on Flickr, Clive Darra on Flickr, Steven Depolo on Flickr

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  • Anything Mouse Like Isn't Seen by Ubuntu 13.10

    - by belkinsa
    I have a upgraded 13.10 from 13.04 and today this issue of anything that is mouse-like is not seen by Ubuntu. The only input device that works is my Wacom Tablet and it's pen. I already checked for updates and have the latest updates for the Ubuntu system. Here is the lsusb output: Bus 002 Device 002: ID 04f2:b209 Chicony Electronics Co., Ltd Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 002: ID 056a:00b8 Wacom Co., Ltd Intuos4 4x6 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub This is issue a bug or how to fix it? I can't even use the Live USB of Ubuntu 13.10 to fix the issue. EDIT 1: Seems that Ubuntu isn't seeing the clicks done by a mouse if it's the Wacom tablet. EDIT 2: I think it's a bug but I need help to report it.

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  • 6 Things You Shouldn’t Do With Solid-State Drives

    - by Chris Hoffman
    Solid-state drives are different from the mechanical, magnetic hard drives in wide use. Many of the things you’ve done with typical mechanical hard drives shouldn’t be done with newer solid-state drives. Solid-state drives are presented by the operating system the same way mechanical drives are, but they work differently. If you’re a geek, knowing what you shouldn’t do is important.    

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  • Prepping the Raspberry Pi for Java Excellence (part 1)

    - by HecklerMark
    I've only recently been able to begin working seriously with my first Raspberry Pi, received months ago but hastily shelved in preparation for JavaOne. The Raspberry Pi and other diminutive computing platforms offer a glimpse of the potential of what is often referred to as the embedded space, the "Internet of Things" (IoT), or Machine to Machine (M2M) computing. I have a few different configurations I want to use for multiple Raspberry Pis, but for each of them, I'll need to perform the following common steps to prepare them for their various tasks: Load an OS onto an SD card Get the Pi connected to the network Load a JDK I've been very happy to see good friend and JFXtras teammate Gerrit Grunwald document how to do these things on his blog (link to article here - check it out!), but I ran into some issues configuring wi-fi that caused me some needless grief. Not knowing if any of the pitfalls were caused by my slightly-older version of the Pi and not being able to find anything specific online to help me get past it, I kept chipping away at it until I broke through. The purpose of this post is to (hopefully) help someone else recognize the same issues if/when they encounter them and work past them quickly. There is a great resource page here that covers several ways to get the OS on an SD card, but here is what I did (on a Mac): Plug SD card into reader on/in Mac Format it (FAT32) Unmount it (diskutil unmountDisk diskn, where n is the disk number representing the SD card) Transfer the disk image for Debian to the SD card (dd if=2012-08-08-wheezy-armel.img of=/dev/diskn bs=1m) Eject the card from the Mac (diskutil eject diskn) There are other ways, but this is fairly quick and painless, especially after you do it several times. Yes, I had to do that dance repeatedly (minus formatting) due to the wi-fi issues, as it kept killing the ability of the Pi to boot. You should be able to dramatically reduce the number of OS loads you do, though, if you do a few things with regard to your wi-fi. Firstly, I strongly recommend you purchase the Edimax EW-7811Un wi-fi adapter. This adapter/chipset has been proven with the Raspberry Pi, it's tiny, and it's cheap. Avoid unnecessary aggravation and buy this one! Secondly, visit this page for a script and instructions regarding how to configure your new wi-fi adapter with your Pi. Here is the rub, though: there is a missing step. At least for my combination of Pi version, OS version, and uncanny gift of timing and luck there was. :-) Here is the sequence of steps I used to make the magic happen: Plug your newly-minted SD card (with OS) into your Pi and connect a network cable (for internet connectivity) Boot your Pi. On the first boot, do the following things: Opt to have it use all space on the SD card (will require a reboot eventually) Disable overscan Set your timezone Enable the ssh server Update raspi-config Reboot your Pi. This will reconfigure the SD to use all space (see above). After you log in (UID: pi, password: raspberry), upgrade your OS. This was the missing step for me that put a merciful end to the repeated SD card re-imaging and made the wi-fi configuration trivial. To do so, just type sudo apt-get upgrade and give it several minutes to complete. Pour yourself a cup of coffee and congratulate yourself on the time you've just saved.  ;-) With the OS upgrade finished, now you can follow Mr. Engman's directions (to the letter, please see link above), download his script, and let it work its magic. One aside: I plugged the little power-sipping Edimax directly into the Pi and it worked perfectly. No powered hub needed, at least in my configuration. To recap, that OS upgrade (at least at this point, with this combination of OS/drivers/Pi version) is absolutely essential for a smooth experience. Miss that step, and you're in for hours of "fun". Save yourself! I'll pick up next time with more of the Java side of the RasPi configuration, but as they say, you have to cross the moat to get into the castle. Hopefully, this will help you do just that. Until next time! All the best, Mark 

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  • After upgrading to 12.04 the scanner from Brother Printer MFC-290C does not work

    - by Lorenzo
    I upgraded Ubuntu to 12.04 from 11.10. The printer works, but the scanner doesn't now. In 11.10 I had to install a special driver from Brother. The printer's model is Brother MFC-290C. The computer is a Toshiba Satellite. How can I get the scanner working? Update: I have a 64-bit installation on the Toshiba Satellite. Thank you for your instructions, Chad--24216. I followed each step: 1 through 5. I also updated the Brother Linux scanner S-KEY tool. The output of dpkg -l | grep Brother is: ii brscan-skey 0.2.3-0 Brother Linux scanner S-KEY tool ii brscan3 0.2.11-5 Brother Scanner Driver ii mfc290ccupswrapper:i386 1.1.2-2 Brother CUPS Inkjet Printer Definitions ii mfc290clpr:i386 1.1.2-2 Brother lpr Inkjet Printer Definitions ii printer-driver-ptouch 1.3-3ubuntu0.1 printer driver Brother P-touch label printers Still the scanner does not work. Here is the message from Xsane: Failed to open device brother3:bus6;dev1: Invalid argument. Here is the message from Simple Scan: Failed to scan. Unable to connect to scanner. And Scan Utility still doesn't display the scanner line.

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  • How to use the Netduino Go Piezo Buzzer Module

    - by Chris Hammond
    Originally posted on ChrisHammond.com Over the next couple of days people should be receiving their Netduino Go Piezo Buzzer Modules , at least if they have ordered them from Amazon. I was lucky enough to get mine very quickly from Amazon and put together a sample project the other night. This is by no means a complex project, and most of it is code from the public domain for projects based on the original Netduino. Project Overview So what does the project do? Essentially it plays 3 “tunes” that...(read more)

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  • Prototype Fanless Heatsink Is Silent and Dust-Immune

    - by Jason Fitzpatrick
    What does this chip cooler do that your’s doesn’t? Run 30 times more efficiently, nearly silently, and repel any dust that settles on it, for starters. Check out the video to see it in action. Although the video is a bit dry the heatsink in action is pretty impressive–nearly silent? repels dust? radically more efficient? Our only complaint is we can’t slap one on a test machine right this minute. [via Extreme Tech] How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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  • Disk failing on dell mini, are there diagnostic tools?

    - by John Lawrence Aspden
    Hi, my dell mini 10v running Ubuntu 10.10 runs ok for hours, but then will suddenly slow down drastically. Switching to a console shows lots of error messages, which also get into /var/log/syslog. These errors happen every couple of seconds. I'm figuring that the disk is failing, but is there anyway to be sure, and can laptop disks be replaced easily? Mar 20 11:08:12 dell-mini kernel: [ 2476.378774] ata1.00: status: { DRDY ERR } Mar 20 11:08:12 dell-mini kernel: [ 2476.378785] ata1.00: error: { UNC } Mar 20 11:08:12 dell-mini kernel: [ 2476.449841] ata1.00: configured for UDMA/133 Mar 20 11:08:12 dell-mini kernel: [ 2476.449887] ata1: EH complete Mar 20 11:08:14 dell-mini kernel: [ 2478.777754] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 Mar 20 11:08:14 dell-mini kernel: [ 2478.777976] ata1.00: BMDMA stat 0x24 Mar 20 11:08:14 dell-mini kernel: [ 2478.778059] ata1.00: failed command: READ DMA Mar 20 11:08:14 dell-mini kernel: [ 2478.778162] ata1.00: cmd c8/00:08:43:3b:97/00:00:00:00:00/e0 tag 0 dma 4096 in Mar 20 11:08:14 dell-mini kernel: [ 2478.778166] res 51/40:00:47:3b:97/00:00:00:00:00/00 Emask 0x9 (media error)

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  • Erfolgreicher Start für Solution Center von Azlan

    - by A&C Redaktion
    Von links nach rechts: Rainer Hunkler, Hunkler GmbH & Co. KG / Birgit Nehring, Director Software & Solutions TDAzlan Am 11. Juni war es so weit: Der Distributor Tech Data Azlan eröffnete feierlich das zertifizierte Oracle Solutions Center (wir berichteten). Zugegen waren auch diverse Oracle Partner. Sie sind es, an die sich das neue Angebot vorrangig richtet: Das beeindruckend ausgestattete Oracle Authorized Solutions Center (OASC) steht Partnern künftig zur Verfügung, um vor allem Engineered Systems, aber auch Klassiker wie den Sparc-Server zu testen und ihren Kunden live vorzuführen. Unterstützt werden Interessierte dabei durch den Azlan-Consultant Ingo Frobenius und sein Team ausgewiesener Oracle Spezialisten. Es ist sogar möglich, die Systeme auszuleihen, wenn der Test in einer besonderen Umgebung erfolgen soll. Gemeinsam mit Birgit Nehring, Director Software und Solutions bei Azlan, feierten hochrangige Oracle Vertreter wie Christian Werner diesen Meilenstein für Oracle und Azlan. Einen ausführlichen Bericht von der Eröffnung mit Hintergründen zur Neuausrichtung im Channel-Business und der Oracle Strategie bezüglich Engineered Systems lesen Sie in der aktuellen Ausgabe der IT-Business unter der Überschrift „Azlan nimmt Demo-Center für Oracle Produkte in Betrieb“.

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  • Can a Printer Print White?

    - by Jason Fitzpatrick
    The vast majority of the time we all print on white media: white paper, white cardstock, and other neutral white surfaces. But what about printing white? Can modern printers print white and if not, why not? Read on as we explore color theory, printer design choices, and why white is the foundation of the printing process. Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites. Image by Coiote O.; available as wallpaper here. The Question SuperUser reader Curious_Kid is well, curious, about printers. He writes: I was reading about different color models, when this question hit my mind. Can the CMYK color model generate white color? Printers use CMYK color mode. What will happen if I try to print a white colored image (rabbit) on a black paper with my printer? Will I get any image on the paper? Does the CMYK color model have room for white? The Answer SuperUser contributor Darth Android offers some insight into the CMYK process: You will not get anything on the paper with a basic CMYK inkjet or laser printer. The CMYK color mixing is subtractive, meaning that it requires the base that is being colored to have all colors (i.e., White) So that it can create color variation through subtraction: White - Cyan - Yellow = Green White - Yellow - Magenta = Red White - Cyan - Magenta = Blue White is represented as 0 cyan, 0 yellow, 0 magenta, and 0 black – effectively, 0 ink for a printer that simply has those four cartridges. This works great when you have white media, as “printing no ink” simply leaves the white exposed, but as you can imagine, this doesn’t work for non-white media. If you don’t have a base color to subtract from (i.e., Black), then it doesn’t matter what you subtract from it, you still have the color Black. [But], as others are pointing out, there are special printers which can operate in the CMYW color space, or otherwise have a white ink or toner. These can be used to print light colors on top of dark or otherwise non-white media. You might also find my answer to a different question about color spaces helpful or informative. Given that the majority of printer media in the world is white and printing pure white on non-white colors is a specialty process, it’s no surprise that home and (most) commercial printers alike have no provision for it. Have something to add to the explanation? Sound off in the the comments. Want to read more answers from other tech-savvy Stack Exchange users? Check out the full discussion thread here.     

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  • Important : Services Oracle Standard Installation (OSI) - Services de mise à niveau matérielle

    - by swalker
    Cette communication a pour objet de vous informer de mises à jour importantes concernant les Services Oracle Advanced Customer Support (ACS) Oracle Standard Installation (OSI). Oracle a le plaisir de vous annoncer l'introduction de nouvelles références OSI pour la commande de services d'installation packagés pour la mise à niveau de systèmes en place, notamment : des nouvelles mises à niveau de CPU (unités centrales), mémoires, cartes réseau, appliances de stockage et librairies de sauvegarde. Il est possible de commander des services d'installation OSI pour des mises à niveau matérielles comme suit : sur le point de vente matériel (POS) - via la procédure hors ligne pour les partenaires Matériels Oracle PartnerNetwork (OPN) avec des commandes indépendantes après la vente (APOS) - via la procédure OSI hors ligne du bureau de commandes des Services ACS. Ces procédures, ainsi que les fichiers de mappage des références OSI à jour, sont disponibles sur le site Oracle Partner Store (OPS). Les références OSI pour les mises à niveau matérielles pourront être commandées sur OPS fin 2011. Si vous avez des questions concernant cette mise à jour, veuillez contacter l'équipe Global Support Partner Operations à l'adresse [email protected].

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  • Graphics card recommendation for dual-HD output?

    - by Graham
    I'm going for a dual-HD monitor setup (HDMI or DVI output), running Ubuntu 11.10 64-bit with Unity 3D. What graphics card / video card should I get? Requirements: Dual-monitor output for DVI (mixed-resolution: 1920x1080 and 1920x1200) Or dual-HDMI output, if it works with Ubuntu Smooth desktop compositing and (Chrome) browser and IDE window rendering At least 60fps on fullscreen glxgears (1920x1200 resolution) Supported and non-buggy behaviour in Unity 3D/Compiz Not looking to play games Smooth fullscreen video playback (just because)

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  • Intel Xeon E5 (Sandy Bridge-EP) and SQL Server 2012 Benchmarks

    - by jchang
    Intel officially announced the Xeon E5 2600 series processor based on Sandy Bridge-EP variant with upto 8 cores and 20MB LLC per socket. Only one TPC benchmark accompanied product launch, summary below. Processors Cores per Frequency Memory SQL Vendor TPC-E 2 x Xeon E5-2690 8 2.9GHz 512GB (16x32GB) 2012 IBM 1,863.23 2 x Xeon E7-2870 10 2.4GHz 512GB (32x16GB) 2008R2 IBM 1,560.70 2 x Xeon X5690 6 3.46GHz 192GB (12x16GB) 2008R2 HP 1,284.14 Note: the HP report lists SQL Server 2008 R2 Enterprise Edition...(read more)

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  • PCI-e SEALEVEL dual serial card not recognized on Ubuntu 14.04

    - by kwhunter
    New to Ubuntu, running 14.04. I have trouble with the serial port setup, I have a plug-in PCI-e SEALEVEL dual serial card that is not recognized. user1@WSIWORKSTATION2:~$ dmesg | grep tty [ 0.000000] console [tty0] enabled [ 1.577197] 00:06: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 1.943326] tty ttyprintk: hash matches [ 17.240880] ttyS4: LSR safety check engaged! [ 17.241589] ttyS4: LSR safety check engaged! [ 17.242354] ttyS5: LSR safety check engaged! [ 17.243058] ttyS5: LSR safety check engaged! [ 17.243918] ttyS6: LSR safety check engaged! [ 17.244485] ttyS6: LSR safety check engaged! [ 17.245195] ttyS7: LSR safety check engaged! [ 17.245830] ttyS7: LSR safety check engaged! [ 17.246554] ttyS8: LSR safety check engaged! [ 17.247191] ttyS8: LSR safety check engaged! user1@WSIWORKSTATION2:~/Desktop/seacom$ lspci -d 135e: -vvv 02:04.0 Bridge: Sealevel Systems Inc Device e205 (rev aa) Subsystem: Sealevel Systems Inc Device e205 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium TAbort- SERR- Capabilities: However, the manufacturer's drivers won't install: 1. user1@WSIWORKSTATION2:~/Desktop/seacom$ make install ---------------------------------------------------------------- Installing seacom suite. ---------------------------------------------------------------- --Installing utilities-- /usr/bin/ld: skipping incompatible ../../lib/libftd2xx.a when searching for -lftd2xx /usr/bin/ld: cannot find -lftd2xx collect2: error: ld returned 1 exit status make[2]: *** [setusb] Error 1 make[1]: *** [install] Error 1 make: *** [install] Error 1 2. user1@WSIWORKSTATION2:~/Desktop/seaio$ make install ---------------------------------------------------------------- Installing SD suite. ---------------------------------------------------------------- *Compiling SeaIO Library source file: digitalIoDevice.cpp gcc: error trying to exec 'cc1plus': execvp: No such file or directory make[1]: *** [digitalIoDevice.o] Error 1 make: *** [install] Error 1 I was not able to find a solution, so if anyone can help it will be much appreciated. PS Have some troubles with formatting my post, apologies...

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  • Increase Performance of VS 2010 by using a SSD

    - by System.Data
    After searching on the internet for performance improvements when using Visual Studio 2010 with a solid state hard drive, I heard a lot of different opinions. A lot of people said that there isn't really a benefit when using a SSD, but in contrast others said the exact opposite. I am a bit confused with the contrasting opinions and I cannot really make a decision whether buying a SSD would make a difference. What are your experiences with this issue and which SSD did you use?

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  • Wireless not detected on an hp Pavilion g6 - RT5390PCIe

    - by Earl Larson
    I just bought an HP Pavilion g6 laptop and I installed Natty Narwhal alongside Windows 7. In Windows 7, my WiFi works perfect but in Ubuntu it absolutely (no matter what I do) won't detect my home WiFi network. Here is the output of "lspci": earl@ubuntu:~$ lspci 00:00.0 Host bridge: Advanced Micro Devices [AMD] RS880 Host Bridge 00:01.0 PCI bridge: Advanced Micro Devices [AMD] RS780/RS880 PCI to PCI bridge (int gfx) 00:04.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 0) 00:05.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 1) 00:06.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 2) 00:11.0 SATA controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] 00:12.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller 00:12.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller 00:13.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller 00:13.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller 00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 42) 00:14.1 IDE interface: ATI Technologies Inc SB7x0/SB8x0/SB9x0 IDE Controller (rev 40) 00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40) 00:14.3 ISA bridge: ATI Technologies Inc SB7x0/SB8x0/SB9x0 LPC host controller (rev 40) 00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge (rev 40) 00:14.5 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI2 Controller 00:16.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller 00:16.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller 00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor HyperTransport Configuration 00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor Address Map 00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor DRAM Controller 00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor Miscellaneous Control 00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor Link Control 01:05.0 VGA compatible controller: ATI Technologies Inc M880G [Mobility Radeon HD 4200] 01:05.1 Audio device: ATI Technologies Inc RS880 Audio Device [Radeon HD 4200] 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05) 03:00.0 Network controller: Ralink corp. Device 5390 04:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5209 (rev 01) earl@ubuntu:~$

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  • Happy Birthday, SPARC!

    - by A&C Redaktion
    25 Jahre gibt es SPARC in diesem Herbst – da gratulieren Oracle A&C und alle Partner natürlich ganz herzlich! Wir blicken zurück auf ein Vierteljahrhundert Erfolgsgeschichte:Wir befinden uns im Jahr 1987 und klobige graue PCs halten seit einigen Jahren Einzug in Büros und Privathäuser. Ein innovatives Startup-Unternehmen namens Sun Microsystems präsentiert seinen neuen Computer Sun-4, die eigentliche Sensation jedoch ist der Mikroprozessor, den die jungen Leute extra dafür entwickelt hatten: SPARC. Es handelte sich um einen extrem leistungsfähigen RISC-Hauptprozessor, der sowohl in den eigenen Workstations als auch den Servern der Sun-4-Baureihe zum Einsatz kommt. Vor allem in der Unternehmens-IT ermöglicht SPARC in den Folgejahren einen enormen Sprung nach vorn.Die weitere Entwicklung von SPARC, kombiniert mit einem Überblick über andere Meilensteine in der Geschichte der Computerwelt, finden Sie auf der Webseite "Celebrate 25 Years of SPARC Innovation".Wir springen gleich weiter in die Gegenwart, denn auch seit Sun zu Oracle gehört, hat sich so manches getan: Gerade erst hat Oracle die neue Server-Linie Sparc T4 vorgestellt – in Fachkreisen spricht man bereits von der größten Leistungssteigerung in der Geschichte der SPARC-Prozessoren.In den USA wurde das Jubiläum bereits kräftig gefeiert: Hier finden Sie Bilder vom Geburtstagsfest im Museum für Computer-Geschichte in Mountain View, Kalifornien, bei dem auch die SPARC-Entwickler Bill Joy and Andreas von Bechtolsheim zugegen waren und auch im Video SPARC-Event Highlights dreht sich alles um das Jubiläum. In der Oracle Familie gibt es 2012 noch ein weiteres Geburtstagskind: Solaris wird 20, herzlichen Glückwunsch! Das Unix-Betriebssystem, basierend auf SunOS, kam im Jahr 1992 erstmals auf den Markt. Solaris konnte seine gute Stellung seither behaupten und hat nun mit Solaris 11.1 das erste Cloud-Betriebssystem vorgestellt. Dieses überträgt die Zuverlässigkeit, Sicherheit und Skalierbarkeit des bewährten Solaris in die Cloud und bietet eine optimale Plattform für Unternehmensanwendungen.  Lesen Sie hier, was die Fachpresse über die Geburtstagskinder schreibt: ProLinux.de (SPARC) Computerwoche.de (Solaris)SearchDataCenter.de (Solaris)

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  • Random memory corruption going undetected by memtest86

    - by sds
    Thinkpad t520; Ubuntu 12.04.1 LTS; 3.2.0-33-generic 16GB of ram Memtest86+ ran for 26 hours, 9 passes, no errors Booted into "recovery mode"; Ran fsck all filesystems - no errors; "check all packages" - no errors apparent random memory corruption: perl/R/chrome segfault every now and then, seemingly at random; sort(1) produces corrupt unsorted files. What could be possibly wrong and how do I debug it?

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  • Why Solid-State Drives Slow Down As You Fill Them Up

    - by Chris Hoffman
    The benchmarks are clear: Solid-state drives slow down as you fill them up. Fill your solid-state drive to near-capacity and its write performance will decrease dramatically. The reason why lies in the way SSDs and NAND Flash storage work. Filling the drive to capacity is one of the things you should never do with a solid-state drive. A nearly full solid-state drive will have much slower write operations, slowing down your computer.    

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  • HTG Explains: Should You Build Your Own PC?

    - by Chris Hoffman
    There was a time when every geek seemed to build their own PC. While the masses bought eMachines and Compaqs, geeks built their own more powerful and reliable desktop machines for cheaper. But does this still make sense? Building your own PC still offers as much flexibility in component choice as it ever did, but prebuilt computers are available at extremely competitive prices. Building your own PC will no longer save you money in most cases. The Rise of Laptops It’s impossible to look at the decline of geeks building their own PCs without considering the rise of laptops. There was a time when everyone seemed to use desktops — laptops were more expensive and significantly slower in day-to-day tasks. With the diminishing importance of computing power — nearly every modern computer has more than enough power to surf the web and use typical programs like Microsoft Office without any trouble — and the rise of laptop availability at nearly every price point, most people are buying laptops instead of desktops. And, if you’re buying a laptop, you can’t really build your own. You can’t just buy a laptop case and start plugging components into it — even if you could, you would end up with an extremely bulky device. Ultimately, to consider building your own desktop PC, you have to actually want a desktop PC. Most people are better served by laptops. Benefits to PC Building The two main reasons to build your own PC have been component choice and saving money. Building your own PC allows you to choose all the specific components you want rather than have them chosen for you. You get to choose everything, including the PC’s case and cooling system. Want a huge case with room for a fancy water-cooling system? You probably want to build your own PC. In the past, this often allowed you to save money — you could get better deals by buying the components yourself and combining them, avoiding the PC manufacturer markup. You’d often even end up with better components — you could pick up a more powerful CPU that was easier to overclock and choose more reliable components so you wouldn’t have to put up with an unstable eMachine that crashed every day. PCs you build yourself are also likely more upgradable — a prebuilt PC may have a sealed case and be constructed in such a way to discourage you from tampering with the insides, while swapping components in and out is generally easier with a computer you’ve built on your own. If you want to upgrade your CPU or replace your graphics card, it’s a definite benefit. Downsides to Building Your Own PC It’s important to remember there are downsides to building your own PC, too. For one thing, it’s just more work — sure, if you know what you’re doing, building your own PC isn’t that hard. Even for a geek, researching the best components, price-matching, waiting for them all to arrive, and building the PC just takes longer. Warranty is a more pernicious problem. If you buy a prebuilt PC and it starts malfunctioning, you can contact the computer’s manufacturer and have them deal with it. You don’t need to worry about what’s wrong. If you build your own PC and it starts malfunctioning, you have to diagnose the problem yourself. What’s malfunctioning, the motherboard, CPU, RAM, graphics card, or power supply? Each component has a separate warranty through its manufacturer, so you’ll have to determine which component is malfunctioning before you can send it off for replacement. Should You Still Build Your Own PC? Let’s say you do want a desktop and are willing to consider building your own PC. First, bear in mind that PC manufacturers are buying in bulk and getting a better deal on each component. They also have to pay much less for a Windows license than the $120 or so it would cost you to to buy your own Windows license. This is all going to wipe out the cost savings you’ll see — with everything all told, you’ll probably spend more money building your own average desktop PC than you would picking one up from Amazon or the local electronics store. If you’re an average PC user that uses your desktop for the typical things, there’s no money to be saved from building your own PC. But maybe you’re looking for something higher end. Perhaps you want a high-end gaming PC with the fastest graphics card and CPU available. Perhaps you want to pick out each individual component and choose the exact components for your gaming rig. In this case, building your own PC may be a good option. As you start to look at more expensive, high-end PCs, you may start to see a price gap — but you may not. Let’s say you wanted to blow thousands of dollars on a gaming PC. If you’re looking at spending this kind of money, it would be worth comparing the cost of individual components versus a prebuilt gaming system. Still, the actual prices may surprise you. For example, if you wanted to upgrade Dell’s $2293 Alienware Aurora to include a second NVIDIA GeForce GTX 780 graphics card, you’d pay an additional $600 on Alienware’s website. The same graphics card costs $650 on Amazon or Newegg, so you’d be spending more money building the system yourself. Why? Dell’s Alienware gets bulk discounts you can’t get — and this is Alienware, which was once regarded as selling ridiculously overpriced gaming PCs to people who wouldn’t build their own. Building your own PC still allows you to get the most freedom when choosing and combining components, but this is only valuable to a small niche of gamers and professional users — most people, even average gamers, would be fine going with a prebuilt system. If you’re an average person or even an average gamer, you’ll likely find that it’s cheaper to purchase a prebuilt PC rather than assemble your own. Even at the very high end, components may be more expensive separately than they are in a prebuilt PC. Enthusiasts who want to choose all the individual components for their dream gaming PC and want maximum flexibility may want to build their own PCs. Even then, building your own PC these days is more about flexibility and component choice than it is about saving money. In summary, you probably shouldn’t build your own PC. If you’re an enthusiast, you may want to — but only a small minority of people would actually benefit from building their own systems. Feel free to compare prices, but you may be surprised which is cheaper. Image Credit: Richard Jones on Flickr, elPadawan on Flickr, Richard Jones on Flickr     

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  • Physical effects of long term keyboard use- what does the science say and what factors affect it?

    - by glenatron
    This question asks about the ergonomics of a particular keyboard for long programming hours, what I would like to know is about the ergonomics of using a keyboard in general. What are the most significant risks associated with it and how can they best be mitigated? Do the "ergonomic" keyboard designs make a difference and if so which design is most effective? If not do other factors such as wrist-rests, regular exercise or having a suitable height of chair or desk make a difference? Do you have any direct experience of problems deriving from keyboard use and if so how did you resolve them? Is there any good science on this and if so what does it indicate? Edited to add: Wikipedia suggests that there are no proven advantages to "ergonomic" keyboards, but their citation seems pretty old- is that still the current state of play?

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  • Die Tape Library, die mitwächst

    - by A&C Redaktion
    Mit der Storage Tek SL150 Modular Tape Library hat Oracle eine Archiv-Lösung entwickelt, die zusammen mit dem Unternehmen wachsen kann. Die Ziele waren hoch gesteckt: Die neue Bandbibliothek sollte nicht nur extrem skalierbar, sondern auch günstig sein, denn sie ist als Einstiegs-Library für kleinere, wachsende und mittelständische Firmen gedacht. Zum Launch der Tape Library legt Oracle beeindruckende Zahlen und Fakten vor: - 75% günstiger in der Anschaffung, als vergleichbare Produkte - platzsparend durch 40% höhere Dichte - höchste Sicherheitsstandards - erweiterbar von 30 auf bis zu 300 Slots, und damit 900 Terabyte - einfache Bedienung dank intuitiver Benutzeroberfläche auf Basis der Oracle Fusion Middleware und Oracle Linux - die Installation dauert nur 30 Minuten - unterstützt viele verschiedene Systemumgebungen Partner haben die Möglichkeit, zu diesem neuen Mitglied der Oracle Produktfamilie eigene Support Services anzubieten. Details zu den Resell und Support Anforderungen finden Sie hier (mit OPN-Login): SL150 Produktübersicht Partner Support Option mit StorageTek SL150 Modular Tape Library FAQ - Partner Support Option mit StorageTek SL150 Modular Tape Library Auch die englischsprachige Pressemitteilung zum Launch bietet ausführliche Informationen und Details, von den Maßen bis zum Energieverbrauch, finden Sie hier im Storage Tek SL150 Data Sheet. Natürlich wollen wir Ihnen die ersten Stimmen aus der deutschsprachigen Fachpresse zur Storage Tek SL 150 nicht vorenthalten: SpeicherguideIT SecCityIT AdministratorDOAG

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  • Better drivers for SiS 650/740 integrated video?

    - by Bart van Heukelom
    I installed Xubuntu 10.10 on an old box today and the graphical performance is horrid. According to lspci, the video card is this: 01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS] 65x/M650/740 PCI/AGP VGA Display Adapter (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Device 8081 Flags: 66MHz, medium devsel, IRQ 11 BIST result: 00 Memory at f0000000 (32-bit, prefetchable) [size=128M] Memory at e7800000 (32-bit, non-prefetchable) [size=128K] I/O ports at d800 [size=128] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel modules: sisfb Is there a way to make it faster? Alternative drivers? The additional drivers tool shows nothing. I'm specifically interested in improving Java's Java2D rendering speed, because I'll be running a "stat screen" written in that language on it.

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  • How Do You Calculate Processor Speed on Multi-core Processors?

    - by Jason Fitzpatrick
    The advent of economical consumer grade multi-core processors raises the question for many users: how do you effectively calculate the real speed of a multi-core system? Is a 4-core 3Ghz system really 12Ghz? Read on as we investigate. Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-drive grouping of Q&A web sites. 6 Start Menu Replacements for Windows 8 What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8

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