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Topic: Xd bit

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	NX bit - Wikipedia, the free encyclopedia
		If this bit is set to 0, then code can be executed from that page; if set to 1, code cannot be executed from that page, and anything residing there is assumed to be only data.
		When Solaris 10 (32 or 64 bit) boots on a processor that supports the NX bit, it automatically enables this protection by default.
		It is important because technologies which somehow emulate or supply an NX bit will usually impose a measurable overhead; while using a hardware supplied NX bit will impose no measurable overhead.
	en.wikipedia.org /wiki/XD_Bit (3007 words)

	skywater.v8.kohaku
		XD And now I realize a bit of this was in Rose Daughter too, and involves picking a rose in an enchanted garden without permission.
		XD Somehow, I think this blog is about as close to 'public' and 'into fandom' as I'm going to get, short of some lovely anime or something showing up that I want to fic, me learning to write, or fanart suddenly becoming something people actually care about.
		XD And now I want to see the Branaugh (sp?) version, as both the Olivier and Mel Gibson ones have their annoying points, mainly the cutting and rearranging in the latter case.
	skywater.pitas.com /15.html (5205 words)

	xd: Extended Dump and Load Utility
		xd can read files in any of the formats it writes, recreating binary files, including modifications made by editing the dump with any text editor.
		xd is available as C source code compatible with most Unix systems and as a ready-to-run 32-bit Windows executable.
		This option allows you to create a dump with xd, edit it as you wish with any text editor, inserting and deleting bytes in the file wherever you like, then create a binary file from the modified dump with the command xd -l -s dumpfile outfile.
	www.fourmilab.ch /xd (814 words)

	lady overKILL___// V A L 3 N T 1 N E (Site not responding. Last check: 2007-11-03)
		XD And obviously, getting into the Wimbledon final when it's only your fifth professional grass tournament, you're a bonafide clay-courter and you've only just turned twenty is something to be proud of.
		XD He was all "we'll be sorry to see you go" blah blah blah, but having been there for over a year now I have the art of seeing through liars down to a tee.
		XD I finally found a V For Vendetta poster and I also got some dodgy manga...because they didn't have Chobits 4, Shutterbox 1, One Piece 2, or any of the others I'm reading, but I was determined to buy something.
	ladyoverkill.livejournal.com (4777 words)

	NX_bit
		However, Intel's XD bit and AMD's NX bit perform the same function and are therefore identical, except for the name.
		W^X supports the NX bit on Alpha, AMD64, HPPA, and Sparc processors (but notably, not the Intel EM64T processor, which does not have the NX feature).
		Linus Torvalds has taken an interest in the NX patch, and believes it may be wise to have NX enabled by default; thus, it has been merged in 2.6.8.
	www.brainyencyclopedia.com /encyclopedia/n/nx/nx_bit.html (3048 words)

	Valestine's Journal (Site not responding. Last check: 2007-11-03)
		XD I also experimented with the "Portal Recall" trick that I heard was used against us, but I wouldn't know because I wasn't there.
		XD I was trying to help paco get a second castle and ended up breaking the emp.
		XD I loved working with Paco and the rest of PnP, we had a blast running around from castle to castle to see what we can do.
	www.rodiary.com /valestine (2065 words)

	kirakirax, because i can. XD
		XD I was considering buying the Japanese DVD until I saw the Seikei Bijin DVDs had came out, and my wallet cried.
		XD Anyhow, I wrote out the lyrics to Momo-chan's image song to keep me busy, which are here if y'all want.
		XD Oh but there's this one-shot at the beginning of 3 with Momo-chan sitting on a hill looking wistful and he has a...
	web.pitas.com /kirakira/11602.html (896 words)

	X-bit labs - Print version (Site not responding. Last check: 2007-11-03)
		Execute Disable bit a security feature that protects certain system memory data regions from insertion and execution of potentially harmful code, that is also referred as NX-bit and works only in conjunction with Windows XP operating systems that feature Service Pack 2.
		Execute Disable bit allows the processor to classify areas in memory by where application code can execute and where it cannot.
		Intel said only Intel Celeron D chips in LGA775 packaging support XD bit technology, furthermore, BIOS and operating system of the system should support the tech to enable it.
	www.xbitlabs.com /news/cpu/print/20041011182310.html (357 words)

	kirakirax, because i can. XD
		XD Momo-chan cheering Ryoma on and Kikumaru's "~nya" was cute.
		XD The manga is less annoying, because you don't have to endure Horio-tachi constantly gasping and randomly shouting "[whoever]-senpai!" And the abuse of sugoi/sugee.
		XD Near the end of disc 2, but I paused to do a bit of leveling because I'm very biased about my party.
	web.pitas.com /kirakira/91502.html (1444 words)

	Articles - XD (Site not responding. Last check: 2007-11-03)
		XD is an emoticon used in the internet to express extreme happiness and/or laughter.
		Springfield Armory XD is also a line of semi-automatic pistols manufactured by Springfield Armory.
		XD bit is a security-related computer technology for Intel processors which does not permit the execution of so-marked sections of memory in order to avoid the execution of possibly malicious instructions contained in data sections of program memory.
	www.shopcamcorder.com /articles/XD (190 words)

	U.S. Patent: 5125080 - Logic support chip for AT-type computer with improved bus architecture - June 23, 1992
		First, the XD-bus is 16 bits wide, and therefore can support 16-bit ROM and other 16-bit peripherals without having to multiplex the data onto an 8-bit bus.
		The internal control signals include signals for selectively enabling the XD drivers or receivers, for selectively enabling the swapper drivers, and for enabling the LD drivers and receivers.
		Chip 100 provides 4 ma drive on each XD line, which is sufficient for the X-bus, but typically not for the I/O channel.
	www.everypatent.com /comp/pat5125080.html (4315 words)

	madeeow's Xanga Site
		XD with my bro and co i think XD sigh...
		tue: bored to shit XD wed: went to another college for a taster course XD it was ok but the things i made taste like shit XD the pizza was crap but dunno about the swiss roll though XD er went to flat...
		XD didnt do much XD tidied my room a bit and had an early night XD talked to Wingie a bit again XD sun: woke up late to my dads XD here at my grans...
	www.xanga.com /madeeow (935 words)

	[H]ard\|Forum - new 64 bit thing
		To answer the question, the J means it has the execute disable bit, meant to stop buffer overlfow attacks.
		The "no-execute bit" is essentially a configurable option that allows programmers (OS-level, typically) to block the execution of programs that attempt to gain access to the memory for malicious purposes.
		Thus, the XD bit in a J-series Pentium 4 is located as a single switch in a register somewhere deep inside the processor.
	www.hardforum.com /showthread.php?t=905098 (430 words)

	V I P E R L A I R .com - Intel Pentium Extreme Edition 840, Pg 1/3
		Computing instructions are done in binary format (zero and one), and for 32-bit environments, each bit is capable of one binary instruction each clock cycle.
		XD Bit isn't really new for Intel, as it was implemented for the Itanium processor in 2001 (for servers), the Intel Pentium 4 570J last year, followed by the 6xx series earlier this year.
		How XD Bit works is certain memory pages are protected from buffer-overflow attacks.
	www.viperlair.com /reviews/cpu_mobo/intel/lga775/840ee (1212 words)

	» While we were sleeping, Intel snuck more security into its chips \| Between the Lines \| MSN Tech & Gadgets
		XD is a form of hardware-enforced buffer overflow protection that can stop certain malware dead in its tracks but it needs an operating system to activate it.
		According to Intel spokesperson Bill Kircos, one way to figure out which processors have it and which ones don't is to look for processers with the letter "J" in their name on a recently published processor chart on Intel's Web site.
		Well, if Intel announced that it was rolling out the XD feature in support of Microsoft's DEP and advised the industry that it shouldn't be without the feature, it's pretty clear what that would have done to all non-XD inventory that was still in the channel.
	blogs.zdnet.com /MSN?p=1109 (948 words)

	XD - Wikipedia, the free encyclopedia
		Springfield Armory XD, a line of semi-automatic pistols manufactured by Springfield Armory
		NX bit (sometimes called the XD bit), a security-related computer technology for Intel processors
		This page extends a two-character combination which might be any or all of: an abbreviation, an acronym, an initialism, a word in English, or a word in another language.
	en.wikipedia.org /wiki/XD (155 words)

	Intel Pentium 4 600 Series Processor 64 Bit and Intel Express Chipset
		The Intel® Pentium® 4 processor 6xx sequence has enabled support for XD Bit, which, when combined with Windows XP SP2 and anti-virus software, can improve protection against malicious “buffer overflow” attacks.
		XD Bit provides additional security at the hardware level, by allowing the processor to classify areas in memory by where application code can execute and where it cannot.
		When a malicious worm attempts to insert code in the buffer, the processor disables code execution, preventing damage or worm propagation.
	www.gen-x-pc.com /p4_600_Series.htm (561 words)

	na'dany__ green man running around got stuck here; (Site not responding. Last check: 2007-11-03)
		he looks a bit weird in pink la! but it was sweet of him to pick me up la. lol.
		XD had a game of heated monopoly man! it was freaky playing with them okay!?
		then i played a bit of volleyball n i had to cheong for the mtg, which i had a massive headache and i hid in a corner to slp.
	nadany.blogspot.com /2006_01_01_nadany_archive.html (6525 words)

	[No title]
		In a typical attack, a malicious worm creates a flood of code that overwhelms the processor, allowing the worm to propagate itself to the network, and other computers.
		Intel's Execute Disable Bit functionality, first released for the Intel® Itanium® processor family in 2001, can prevent certain classes of malicious "buffer overflow" attacks when combined with a supporting operating system.
		By combining Execute Disable Bit with anti-virus, firewall, spy ware removal, e-mail filtering software, and other network security measures, IT managers can free IT resources for other initiatives.
	www.asisupport.com /intel_XD_info.htm (268 words)

	Post Comment (Site not responding. Last check: 2007-11-03)
		My dad seems to have let-up on the restrictions a bit.
		XD And that went on for quite a while.
		XD; My dad made me scrambled eggs for dinner.
	taichi-kitsune.aboutmylife.net /13554.html?mode=reply (160 words)

	NX bit
		Generically it is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions (aka code) or for storage of data.
		If this bit is set to 0, then code can be executed from that page, otherwise if it's set to 1, code cannot be executed from that page, anything residing there is assumed to be only data.
		All technologies will create overhead due to the extra programming logic that must be created to control the state of the NX bit for various areas of memory; however, evaluation usually handled by the CPU itself when a hardware NX bit exists, and thus produces no overhead.
	www.askfactmaster.com /NX (2642 words)

	ana_bau's Xanga Site
		april three we went to sea world (also in san diego) it was raining a bit but we got to watch the whales and rode some rides.
		XD) of course, i had nothing to complain about, after disneyland...
		actually, i'll be leaving the country in a week, so i cant update for a bit XD (not like ive been updating regularly anyhow XP) but, through the week, i'll probably update more.
	www.xanga.com /ana_bau (1090 words)

	FanFiction.Net : Profile : ShadowDragon22 (Site not responding. Last check: 2007-11-03)
		I still READ stuff on here xD but updating my stories… that will probably not happen XD anything I start writing I never finish, so there’s no point really in submitting it up.
		they are just written for fun when we are bored XD so if you want to read one… just ask one of us and we should be able to send it to you XD I only go on here to read other fics now.
		Coz those are easier since you don’t have to update them XD I also updated my bio thing quite a bit, it was waaayyy too long before.
	www.fanfiction.net /~ShadowDragon22 (1233 words)

	Market Wire News (Site not responding. Last check: 2007-11-03)
		The processor also features two new functions, Demand Based Switching (DBS) and Execute Disable Bit (XD), that build on the sophisticated, high-performance features which IBM has incorporated into its xSeries product-line.
		XD offers virus protection from buffer overflow system security and worm attacks to prevent data loss.
		The new 64-bit Intel Xeon processors will be available on the IBM eServer xSeries 226, 236, 336 and 346, as well as the IBM eServer BladeCenter HS20, by the end of February.
	www.marketwire.com /mw/release_printer_friendly?release_id=80860&category= (553 words)

	Benchmarks: Intel's 64-bit Pentium 4 660 - ZDNet UK Reviews (Site not responding. Last check: 2007-11-03)
		This is the eXecute Disable (XD) bit, which makes its first appearance on a mainstream Intel desktop CPU: until now, Intel has only implemented the XD bit in the server-class Itanium processor, and a limited number of Pentium 4 variants (those with the suffix 'J').
		Microsoft estimates that memory overflows lead to 50 per cent of all virus attacks; systems with XD or NX chips are therefore better protected against such attacks than those lacking this feature.
		Itanium is truly 64 bits ok. read the article.
	reviews.zdnet.co.uk /hardware/processorsmemory/0,39024015,39189912-2,00.htm (540 words)

	Intel Core - tScholars.com (Site not responding. Last check: 2007-11-03)
		Floating point performance has been improved through the addition of SSE3 instructions and improvements to SSE and SSE2 implementations, while integer performance decreased slightly due to higher latency cache.
		Additionally, Yonah includes support for the XD bit.
		Core Duo will be the world's first low wattage (less than 25 watts) Dual Core processor, with the previous low being the Opteron 260 and 860 HE at 55 watts.
	www.tscholars.com /encyclopedia/Intel_Core (1128 words)

	Execute Disable Bit and Enterprise Security
		By combining Execute Disable Bit with anti-virus, firewall, spyware removal, e-mail filtering software, and other network security measures, IT managers can free IT resources for other initiatives.
		View processors supporting Execute Disable Bit and help your business prevent certain classes of malicious buffer overflow attacks.
		Enabling Execute Disable Bit functionality requires a PC with a processor with Execute Disable Bit capability and a supporting operating system.
	www.intel.com /business/bss/infrastructure/security/xdbit.htm (438 words)

	SimHQ.com - Technology Zone - Review: Intel P4P 660 and 3.73 Extreme Edition
		When questioned on the similarity of these new processors Intel stated that they were working on ways to "soon" make their EE CPUs more extreme.
		XD (Execute Disable) Bit is similar to AMD's EVP support, which is logic designed to prevent the running of malicious code that attempts to execute in a memory area marked as a data page, a common trick used by malware authors.
		As with EVP, XD Bit requires Windows XP's Service Pack 2 to be installed to function.
	www.simhq.com /_technology/technology_038a.html (773 words)

	Execute Disable Bit - Internetnews.com - Webopedia.com
		Intel's Execute Disable Bit (XD) functionality can prevent certain classes of malicious buffer overflow attacks when combined with a supporting operating system.
		It allows the processor to classify areas in memory by where application code can execute and where it cannot.
		Intel's Execute Disable Bit functionality was first released for the Intel Itanium processor family in 2001.
	inews.webopedia.com /SHARED/search_action.asp?Term=Execute_Disable_Bit&Template_Name=inews.webopedia.com (99 words)

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