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	ZIF - Wikipedia, the free encyclopedia
		ZIF is an acronym for zero insertion force.
		Large ZIF sockets are mainly used for PC processors (from about the mid 1990s forward) as these are likely to be upgraded or replaced several times during the lifetime of the socket.
		ZIF wire-to-board connectors are used for attaching wires to printed circuit boards inside electronic equipment.
	en.wikipedia.org /wiki/ZIF (500 words)

	ZIF II (Site not responding. Last check: 2007-10-08)
		ZIF II is a self-contained assembly which simplifies many package design problems by simultaneously providing superior thermal conductivity and circuit board retention under extreme environmental conditions consistent with strict military performance standards.
		ZIF II is an extension of the principles and technology which went into the design and development of ZIF circuit board retainers which provide an efficient link between circuit board and cold wall.
		ZIF II functions in a similar fashion by conducting heat away from the circuit board to an appropriate coldwall.
	www.ctscorp.com /CHN/components/circuit_board_retainers/zif_II.htm (884 words)

	ZIF
		A normal integrated circuit socket requires the IC to be pushed into sprung contacts which then grip by friction.
		ZIF sockets are used for expensive ICs such as microprocessors, which are likely to be upgraded or replaced several times during the lifetime of the socket.
		ZIF sockets are much more expensive than standard IC sockets, so they are only used where the latter are unsuitable.
	www.ebroadcast.com.au /lookup/encyclopedia/zi/ZIF.html (200 words)

	Standard ZIF
		The ZIF retainer is a totally self-contained, precision assembly that provides a highly effective thermal interface between the circuit board and coldwall.
		ZIF component parts are designed to assure consistent performance and interchangeability of all identical part numbers.
		ZIF provides a visual indication that the rods are in the "open" or "closed" position relative to the position of the drive assembly.
	www.ctscorp.com /components/heat_sinks/std_zif.htm (659 words)

	Zif Medical Devices
		Zif is in the process of testing a second prototype.
		Zif plans to grow through the investment of retained earnings, thus no further capital outlays will be needed.
		Zif plans to capture 15% market share of the U.S. psychiatric hospitals and pre-filled nuclear medicine syringe market within three years of operation and 9% market share of the overall U.S. safety syringe market by year five.
	www.businessplans.org /Zif/Zif00.html (645 words)

	Visual Stimulation Regulates the Expression of Transcription Factors and Modulates the Composition of AP-1 in Visual ...
		ZIF 268 thereafter dropped to levels similar to that observed in naive animals, whereas AP-1 DNA-binding activity continued to remain elevated even after 24 hr of stimulation.
		To visualize the spatial distribution of c-Fos and Zif 268 proteins in rat visual cortex, we performed immunostaining procedures on animals that were exposed to brief periods of light after dark rearing.
		Representative autoradiogram showing the level of ZIF 268 DNA-binding activity in visual cortices of five rats kept 1 week in darkness and another five that were dark-reared and then exposed to light for 2 hr.
	www.jneurosci.org /cgi/content/full/16/12/3968 (7268 words)

	Center for International Peace Operations (ZIF) (Site not responding. Last check: 2007-10-08)
		The Berlin-based Center for International Peace Operations (ZIF) established on 25 April 2002 was publicly launched on 24 June by Dr Ludger Volmer, Minister of State at the Federal Foreign Office, in the presence of a large number of representatives of the German Bundestag, the Federal Government, the media, the academic community and non-governmental organizations.
		As from 1 July 2002 the ZIF will be responsible for organizing and developing the courses for such personnel run by the Foreign Office since summer 1999.
		The ZIF already belongs to a core group of EU member state training institutions currently developing a European training programme for such personnel on behalf of the Commission.
	www.auswaertiges-amt.de /www/en/aussenpolitik/friedenspolitik/ziv_km/zif_bp_html (581 words)

	Reference.com/Encyclopedia/ZIF
		Before the IC is inserted, a lever or slider on the side of the socket is moved, pushing all the sprung contacts apart so that the IC can be inserted with very little force.
		One alternative to ZIF sockets are slots in which the contacts are in a line.
		By the mid 1990s, PCs were primarily using ZIF sockets for CPU's.
	www.reference.com /browse/wiki/ZIF (339 words)

	ZIF Connectors (Site not responding. Last check: 2007-10-08)
		ZIF Connectors are designed with right angle cable entry combined with a height of 2.0mm to serve a wide selection of low profile applications up to 0.2, 0.4 or 0.5A.
		ZIF Connectors are top contact, and the 52746 and 52437 are bottom contact ZIF Connectors.
		All of our ZIF Connectors are supplied in tap/reel packaging for auto placement and are constructed in nylon compatible with SMT reflow and feature metal solder tabs to provide PCB retention for the ZIF Connectors.
	www.keltronconnectors.com /zifconnector.asp (159 words)

	Definition of ZIF
		Stands for "Zero Insertion Force." ZIF is a type of CPU socket on a computer motherboard that allows for the simple replacement or upgrade of the processor.
		Processors that use a ZIF socket can easily be removed by pulling a small release lever next to the processor and lifting it out.
		The replacement processor is then placed in the socket and secured by pushing the lever in the opposite direction -- hence the phrase, "zero insertion force." I suppose there is some force required to push the lever, but it is significantly less than non-ZIF sockets, which require special tools to force the processor out.
	www.sharpened.net /glossary/definition.php?zif (105 words)

	ZIF Socket 28 Pin - 28PZIF
		ZIF sockets are commonly used on PIC programming devices, for IC testing, or to simplify circuit development anywhere that frequent changing of a DIP (Dual In-line Package) integrated circuit (IC) chip is required.
		ZIF socket operation: Move the small spring loaded lever in one direction (up) and the electrical contacts at the top of the ZIF socket open up to allow "drop in" insertion of a DIP IC chip.
		ZIF socket construction: The bottom of the ZIF socket has solid conductive pins (in this case 28 of them) that fit in a standard 28pin, 600mil (width) IC footprint.
	www.apogeekits.com /zif_socket_28.htm (370 words)

	ZIF socket - a Whatis.com definition - see also: ZIF (Site not responding. Last check: 2007-10-08)
		A ZIF (Zero Insertion Force) socket is the physical way that Intel's 486 and Pentium microprocessors up to Pentium II connect on the computer motherboard to the data bus.
		As its name implies, the ZIF socket is designed for ease of manufacture and so that the average computer owner will be able to upgrade the microprocessor.
		The ZIF interface evolved through eight variations, each with a differing number of pins and pin layout arrangements.
	whatis.techtarget.com /definition/0,,sid9_gci213417,00.html (280 words)

	ZIF - Zero Insertion Force
		The ZIF socket has a small lever on the side of it.
		When you lift the lever, the CPU will just drop in, and as the lever is closed, even pressure is applied to the pins of the processor.
		Unlike other types of chip sockets that force you to push a chip into place, ZIF socket lets you drop the chip into the socket and then close a lever to cinch the chip securely in place.
	www.auditmypc.com /acronym/ZIF.asp (236 words)

	CommsDesign - Compensation for Mixed-Signal Errors in 802.11a ZIF Receivers (Site not responding. Last check: 2007-10-08)
		The road to a ZIF transceiver, however, is paved with its own set of performance challenges.
		ZIF receivers perform the downconversion with a single frequency translation.
		Thus, ZIF architectures must provide gain adjustment and DC offset correction capabilities to be successful in an 802.11a design.
	www.commsdesign.com /story/OEG20021030S0017 (2122 words)

	hints
		ZIFs to standard Sockets: How to adapt ZIF sockets to standard sockets and machine pin sockets.
		Instead of using an expensive ZIF socket I got a good quality double-wipe contact 18-pinner and pushed out all the contacts except the five that are actually used (this is very easy to do).
		The exception is that the ZIF assembly won't quite fit the common 18-pin protoboards (ITU I believe) if they are fitted with a crytal and a largish electrolytic capacitor on the 5v power supply.
	www.dontronics.com /hints.html (4123 words)

	Macs Only! Review of phase 5's PowerBooster G3 366 CPU ZIF Card (Site not responding. Last check: 2007-10-08)
		The ZIF CPU card, shown top and bottom in the two photos at right, is cleanly designed and well made.
		ZIF cards are much smaller (about 2" by 4") than the usual cards that fit into the daughtercard slot of a PCI PowerMac or clone.
		The many gold pins that fit into the ZIF connector on the PowerMac G3 can be seen at left in the lower photo at right of the bottom side of the card.
	www.macsonly.com /pbg3.html (1558 words)

	ZIF Socket 40 Pin - 40PZIF
		ZIF socket construction: The bottom of the ZIF socket has solid conductive pins (in this case 40 of them) that fit in a standard 40pin, 600mil (width) IC footprint.
		Press fit the ZIF socket onto prototyping bread board SD24N or prototyping bread board SD35N or solder it onto circuit boards wherever a 40 pin 600mil IC footprint will fit.
		This 40 pin ZIF socket will accept insertion of any DIP package IC (up to 40 pins) with a 600mil wide (15.24mm) footprint and a lead pitch of 0.1 inch apart, (100mil lead pitch).
	www.apogeekits.com /zif_socket_40.htm (351 words)

	PowerLogix Home
		PowerLogix opted for the IBM PowerPC 750GX for these upgrades, instead of the Motorola G4s, due to a bug we discovered in 2001 (not even Motorola knew about this bug..it even existed in their evaluation boards.) The 745x chip is incompatible with the Motorola bridge chip used on these motherboards.
		Although this ZIF model is a G3, make no mistake; it is a very fast performer.
		Unless you are using Altivec constantly, it is better to have a CPU that runs all tasks faster all the time, than a CPU that runs slower all the time, except for a few Altivec specific tasks.
	powerlogix.com /products/g3_zif (494 words)

	ELNEC - Developer's Tools
		Insert converter to the programmer ZIF socket according to the picture placed near of it.
		If you have some doubts about orientation of this converter in programmer ZIF socket, it is valid general rule, the orientation of the text of title is the same as the text on the top of the programmer.
		Be careful, because the incorrect insertion of converter to the programmer ZIF socket or device to the converter ClamShell ZIF socket can damage the programmed device.
	www.elnec.com /sockcon_info.php?id=DIL8_SOT23-6_ZIF-CS_PIC (264 words)

	Macs Only! Review of PowerLogix G4 350 MHz CPU Upgrades & Z-Force Adapter (Site not responding. Last check: 2007-10-08)
		I set the rotary dial to "8" or 9:1 on the G4 ZIF and installed it on the Z-Force which I set for a system bus of 46.7, a CPU to bus ratio of 9:1 and the PowerBase computer.
		The G4 ZIF had to be returned so there wasn't enough time to complete more than a few days of normal use with the Z-Force in the PowerBase.
		The PowerForce G4 and G4 ZIF are certainly not disappointing in that department.
	www.macsonly.com /plg4.html (2340 words)

	Accelerate Your Mac! - XLR8 Carrier ZIF First Look!
		Using a ZIF CPU module does not mean that these cards will be guaranteed OS X compatible or that they will be free of the bus speed issues that often complicated older Mac CPU upgrades (see the FAQ and CPU Reviews page for more details).
		I.E. The ZIF is made to run at 400Mhz in a Beige G3 (fixed ratio for 66mhz x 6), and the ratio is set on the ZIF and cannnot be changed.
		If the ZIF does not require changes to the Apple motherboards jumper settings and doesn't have a wide range of settings on the ZIF then I'd not recommend it for use with the ZIF based CPU cards for the reasons mentioned above.
	www.xlr8yourmac.com /G3CARDS/XLR8_CarrierZIF (2001 words)

	Macintosh G4 ZIF upgrades tested on a Blue & White
		Here's my hypothesis: If you already have a Blue and White G3 of any speed, you should be able to match performance with the newest G4 Sawtooth without spending an arm and a leg or without junking your old machine for a new one.
		Of the three G4 ZIF upgrades tested, the G4/400 Newer Technology ZIF was the fastest.
		When it comes to games like Quake 3 Arena, the G3 ZIF upgrades proved to be just as fast as the G4's.
	www.barefeats.com /G4shoot.html (407 words)

	XLR8YOURMAC.COM's Exclusive PowerForce G3/ZIF CPU Upgrade
		Although the CPU on the ZIF card was an IBM 333 MHz version, I ran experimental tests at 366 MHz and finally 400 MHz to obtain an idea of what to expect in performance when these speeds are available.
		The PowerForce ZIF ran the applications tests fine at 400 MHz, but I saw errors at times in MacBench (type 1/quits after some tests, when trying to save results), so the 400 MHz scores are shown here for reference only, as an indication of how a 400 MHz PowerPC 750 would compare to other processors.
		Open the case, remove the CPU heatsink retaining strap, lift the ZIF socket lever (on the left side of the CPU socket) and lift out the Apple ZIF CPU card.
	www.xlr8yourmac.com /G3-ZONE/PF_ZIF.html (940 words)

	Review of Powerlogix's G3 800MHz ZIF CPU Upgrade
		Compatibility: Powerlogix lists their G3/800 ZIF as compatible with the Beige G3, All-in-One G3, G3 Server, Blue and White G3 and G4/PCI Yikes.
		However I was also able to obtain a G3/500 ZIF and a G4/450 ZIF (actually a 400 overclocked to 450) for some tests using later software versions than used in the older ZIF reviews including iMovie 3.02, iTunes3, Stuffit 7.01 and CineBench2003.
		They also cut the price for a limited time to $299.94 for readers on the G4/533-550 ZIF on the site specials page as of April 2nd.) I think the comparisons to G4s and other G3 upgrades here will give you a good idea of performance from this upgrade in several popular applications and games.
	www.xlr8yourmac.com /G3CARDS/powerlogix_G3_800 (781 words)

	Buyers Guide: 366MHz G3 Upgrade Cards - ZIF
		If you need cutting edge performance go ahead and spring for the 466MHz ZIF card but bear in mind that you will pay for the privilage of running at the front of the pack.
		Unlike PCI cards the ZIF drops into place and locks in position with the flip of a lever.
		366MHz ZIF cards are marked in blue so you can see at a glance where they fall in the grand scheme.
	www.macreviewzone.com /archive/buyersguides/ZIF_G3_366.html (1013 words)

	dealmac search: "zif processor upgrade"
		Get an alert by email or RSS when "zif processor upgrade" is posted on dealmac.
		The PowerLogix PowerForce G3/1.1GHz ZIF processor upgrade fell to $279 at Other World Computing.
		A reader notes that the PowerLogix PowerForce G3/1GHz ZIF processor upgrade fell to $229.95 at Other World Computing.
	dealmac.com /search.html?search=zif+processor+upgrade&pub=1 (329 words)

	Accelerate Your Mac! - PowerForce G3 466MHz ZIF CPU Card Review!
		Since everything but the CPU of this model is basically identical to the PowerForce G3/400 ZIF, this review focuses on the performance of the new model.
		If you're new to CPU upgrades, or have not owned a pre-G3 Apple or Mac clone, the ZIF upgrades for Apple's G3 Macintosh models are generally free of the compatibility and bus speed issues that often complicated older Mac CPU upgrades (see the FAQ and CPU Reviews page for more details).
		Adjustments might not be possible with the ZIF in place due to the close fit between the rotary switch and the bottom edge of the ATI Rage128 card.
	www.accelerateyourmac.com /G3CARDS/PF466ZIF (1321 words)

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