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Frequently Asked Questions

Can QEMU use hardware virtualization extensions - Intel's VT or AMD's SVM?

FrequentlyAskedQuestions - #qemu Wiki
present, no. A separate project named Kernel Virtual Machine currently uses a modified QEMU to provide this ability for Intel's VT and AMD's SVM technologies. On VT capable Intel processors the 'vmx' cpuflag will show up in /proc/cpuinfo. 'svm' is shown for AMD-V enabled processors. VT is usually disabled by the BIOS - some vendors allow you to enable it from the BIOS menu. AMD-V can not be disabled by the BIOS. It is expected that once KVM matures it will be submitted for inclusion in QEMU.
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Why the name QEMU?

FrequentlyAskedQuestions - #qemu Wiki
On Windows XP/2K you can try to boot from the flash drive like so: qemu -hda //./PhysicalDriveN ... where N is the drive number found in the disk manager.
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How can I use multiple CD-ROM drives with QEMU?

FrequentlyAskedQuestions - #qemu Wiki
A workaround for those who must have 2 CD-ROMs visible at the same time is to use vvfat. Mount one of the CD-ROMs, and pass it as a hard disk via -hdd fat:/mnt-point. These will look like hard disks to the guest OS, and thus are not removable.
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Can I use my USB devices with the guest operating system in QEMU?

FrequentlyAskedQuestions - #qemu Wiki
It depends. Initial support for USB device proxy and emulation is now available in QEMU 0.8.0. From Fabrice Bellard's email to the QEMU developers list: I just committed an initial USB support for QEMU. This USB layer will ultimately enable QEMU to use some host USB devices and to simulate USB devices. WARNING: the current USB support is for USB hackers only - it is not meant to be fully usable yet. Flash drives have been reported to work.
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Can I use my PCI devices with the guest operating system in QEMU?

FrequentlyAskedQuestions - #qemu Wiki
Long answer: This generally requires cooperation from the guest OS/drivers (Like with Xen). Developers might be interested in the patch posted to the qemu-devel mailing list a while back which allowed for limited PCI proxy support on Linux hosts. You can find this here: more discussion here: http://lists.gnu.org/archive/html/qemu-devel/2005-03/msg00301.html and here: http://lists.gnu.org/archive/html/qemu-devel/2006-01/msg00082.html
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Are these available for Intel or AMD-based system?

FAQ
Yes. The NVIDIA® GeForce® 7950 GX2 will work on both Intel and AMD-based systems in single card mode. For SLI support, NVIDIA® GeForce® 7950 GX2 will work on any NVIDIA nForce® SLI MCP-based motherboard. These MCPs are available for both Intel and AMD platforms. See www.slizone.com for a list of compatible motherboards.
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Can I change a AMD to an Intel Pentium?

Yes, you can change AMD CPU to Intel Pentium CPU by changing the core voltage. However, depend on the product that you are currently using, some special configuration may required.
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How is QEMU pronounced?

FrequentlyAskedQuestions - #qemu Wiki
Why isn't full-screen mode "full screen"? The only thing I get is an original sized output with a full-screen border.
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What is AMD?

Prevent blindness from age related macular degeneration of e...
There are two types of AMD, "wet" and "dry". While much progress has been made in tackling wet AMD, which is characterised by leaking blood vessels, no treatment is currently available for dry AMD. Dry AMD is the most common form and occurs in 9 of every 10 cases. In this type the cells in the retinal pigment epithelium (RPE) of the macula gradually become thin and degenerate.
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Can I use MXF in VT[4]? If so, how?

NewTek - Support
Drag the file into VT-Edit. This should support DV and MPEG2 (note that VT comes with a MPEG2 decoder plugin as part of DVD WS, so we should read MPEG2 MXF files as well.) We only support DV MXF files directly from VT-Edit. If you need MPEG2, they you need to go via DVD WS.
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What is virtualization?

Infrastructure as a service, IaaS, White Papers, Case Studie...
Virtualization creates hardware independence. Simply stated, virtualization is the process of utilizing software to separate the Operating System from the physical hardware (computing, storage and networking hardware). BlueLock describes virtualization as placing a shim between your application(s) and the hardware. This shim makes an application highly dynamic.
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Why did Apple pick Intel instead of AMD?

Apple/Intel FAQ
AMD was approached, but supply problems similar to those with IBM appeared likely. Also, Intel has been courting Apple for many years. Perhaps some of that effort has paid off. Further, this announcement was designed to be one of political expedience, convenience, exclusivity, and simplicity. The focus was to not scare the analysts and financial markets; those circles are happy with the "Intel" announcement.
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What is VT?

Help on TEST
Virtual Thermo or VT is a library of multi-media presentation of thermodynamic systems and processes. It explains how thermodynamic systems work with the help of animations and is designed to complement a future textbook. Macromedia Flash plug-in (available in most modern browsers) is required to browse VT. and other
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What hardware do we use?

PBSS Translations - FAQ
Wireless LAN with HP and Compaq Pentium 4 PCs, HP mono laser and inkjet colour printers, HP scanner/fax, ADSL Broadband with Dray and Dynamode modem/routers.
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What hardware, besides computers, is available for use?

College of Arts & Sciences Computing Center
Our lab is equipped with scanners, VCR's and DVD decks for importing video and various other hardware devices and peripherals that may be checked out. Most scanners are equipped with OCR software that will allow text to be edited upon a successful scan. A list of other hardware that may be checked out is available here.
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What computer hardware should I use?

PostgreSQL: Frequently Asked Questions (FAQ) for PostgreSQL
Because PC hardware is mostly compatible, people tend to believe that all PC hardware is of equal quality. It is not. ECC RAM, SCSI, and quality motherboards are more reliable and have better performance than less expensive hardware. PostgreSQL will run on almost any hardware, but if reliability and performance are important it is wise to research your hardware options thoroughly. Our email lists can be used to discuss hardware options and tradeoffs.
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What filename extensions should I use?

Soupermail Frequently Asked Questions
If you look at the example files, you will see that I use a number of filename extentions for various files. As a general rule of thumb, filename extensions for your forms and config files are unimportant to Soupermail. However, here are some issues to consider: Config files Although Soupermail doesn't care about the filename extension for config files, you may want to prevent your server from letting people view the config files from their browser.
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Can I run my OS on /dev/hda1 in QEMU?

FrequentlyAskedQuestions - #qemu Wiki
Short answer: No. QEMU does not support creating a partition table/MBR on the fly. You need to use "/dev/hda" (e.g. the entire hard disk). Note: An experimental patch has been released that adds this functionality. You need to pass "-hda part:/dev/hda1" instead of "-hda /dev/hda". QEMU will then create an MBR and partition table on the fly for /dev/hda1. Changes to the MBR or partition table are lost when restarting QEMU.
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I run QEMU in Xgl and QEMU is transparent!!! What the heck is going on?

FrequentlyAskedQuestions - #qemu Wiki
This is an SDL bug. Specifically, SDL is using a 32-bit visual provided by Xgl, which causes pixels to be specified in RGBA format. SDL has a bug that makes it (wrongly) specify alpha blending for its windows. You can work around this by doing 'XLIB_SKIP_ARGB_VISUALS=1; export XLIB_SKIP_ARGB_VISUALS' before running QEMU.
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Is it possible to control QEMU remotely (remote QEMU monitor access)?

FrequentlyAskedQuestions - #qemu Wiki
The QEMU monitor can be redirected else where using the -monitor specifier. For example, you can have the monitor listen on a host port for remote connections via telnet/netcat/etc (example will be added later).
Related Questions

How do I know if I have AMD? How is AMD detected?

The Age-Related Macular Degeneration Project - UAB Departmen...
The initial symptoms of AMD can take a variety of forms. You may notice a loss of visual acuity (the ability to see small details) that cannot be corrected by the glasses your doctor prescribes. You may notice night vision problems or problems seeing under dim lighting. You may notice that straight lines appear distorted or wavy especially in the center of your vision, that a dark or blurry area always seems to be in your central vision, or that your perception of color changes.
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What is Windows Server Virtualization?

Virtual Server 2005 Frequently Asked Questions
Windows Server virtualization, previously codenamed Viridian, is a hypervisor-based technology that is a part of Windows Server “Longhorn”. It provides a scalable, secure and highly available virtualization platform. It is part of Microsoft’s ongoing effort to provide our customers and partners with the best operating system platform for virtualization.
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Are Macugen treatments, approved for use in people with wet AMD, an option for PXE?

PXE International - Eye Treatments and Procedures
On December 18, 2004, the U.S. Food and Drug Administration approved the use of Macugen as a new therapy to slow vision loss in people with neovascular (wet) age-related macular degeneration (AMD). Treatments require injections into the eye approximately every six weeks. While Macugen represents a breakthrough in treatment for AMD, it has not been officially shown to improve vision. Rather, Macugen helps to preserve vision and to slow vision loss.
Related Questions

Is there more than one type of AMD?

Macular Degeneration
There are two forms of AMD. About 10% of patients have the "wet" form. Nearly 90% of patients have the less sight-threatening "dry" form.
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Where can I get more information about AMD?

Macular Degeneration
AMD Alliance is an international organization devoted to help AMD patients and their families. You may contact them at www.amdalliance.org or call 1-877-AMD-7171.
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What can I do to stop AMD?

Wet Macular Degeneration: VisiVite.com
There is currently no cure for macular degeneration, but the Anti-Oxidants and Zinc in our eye vitamins have shown to slow the onset of AMD by up to 25%. Although wet macular degeneration is much more severe than dry macular degeneration, macular degeneration treatments like VisiVite Macular Degeneration Supplements can help reduce your risk of contracting AMD.
Related Questions

What Causes AMD?

The Age-Related Macular Degeneration Project - UAB Departmen...
It is not known what specifically causes AMD. There has been a great deal of research on AMD in recent years in order to understand the course of events that underlie its emergence. Below we summarize the major theories that scientists have developed and are evaluating. Several characteristics of the retina make it potentially susceptible to damage from oxygen.
Related Questions

Is AMD curable?

The Age-Related Macular Degeneration Project - UAB Departmen...
No. Currently there is no cure for AMD. This is why research programs on AMD are so important. Although not curable, there are a few treatments available that slow the progression of the disease for persons with specific types of the disease. Click here for more information regarding current treatment options.
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