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	Memory Access vs CPU Speed
		Nowadays, all the CPUs are measured in Gigahertz (GHz).
		CPU is the place where all the actual computing is done.
		Different CPU models have different core/Bus ratio range, some are from 4 to 20, and some are from 2 to 15.
	www.oempcworld.com /support/Memory_Access_vs_CPU_Speed.htm (419 words)

	New Page 1 (Site not responding. Last check: 2007-10-10)
		Speed is measured by the overall throughput of the chip.
		However, after the CPU chip requests the contents of a particular unit of memory, there is a delay called the "latency" while the memory chip locates the data and prepares for the transfer.
		Memory is pipelined when the CPU can request a sequence of addresses one per cycle and then after a delay of typically four or five cycles the memory responds with the data in the order in which it was requested.
	pclt.cis.yale.edu /pclt/PCHW/CPUMEM.HTM (4789 words)

	CPU Director
		CPU Director is compatible with both Mac OS 9.x and Mac OS X 10.2 or higher.
		In order to use this feature, you set the fast processor speed using CPU Director under the PLL tab (the slow speed is automatically set to be 500 MHz) to the speed at which your upgrade is rated.
		CPU Director can become confused if it is run before the PLKEXT has finished loading, so it is best to wait 20 or 30 seconds before launching CPU Director after a fresh boot.
	www.powerlogix.com /products/cpudirector/index.html (2442 words)

	CPU.
		The CPU writes directly to the RAM this means data can flow very quickly, but the CPU can still process data more quickly than it can retrieve it from RAM.
		Because of the latter problem the CPU is idle for a lot of cycles.
		A CPU speed of 500 MHz as one clock cycle of 500,000,000 cycles per seconds (5 x 108 Cycles per second).
	members.aol.com /spurddarr/pc/cpu.htm (975 words)

	Central Processing Unit (CPU) (Site not responding. Last check: 2007-10-10)
		The CPU is composed of logic gates that accept input, process it and produce output.
		To reduce cost, CPU manufacturers would disable the math co-processor (as was done in the old x386 chips), or remove the special on-board high speed caching memory.
		The main measurement quoted by manufacturers as a supposed indication of processing speed, is the clock speed of the chip measured in hertz.
	www.inetdaemon.com /tutorials/computers/hardware/cpu (342 words)

	Computer CPU (Site not responding. Last check: 2007-10-10)
		Usually there is included in the CPU a fast temporary short term storage memory known as the cache.
		The cache allows the CPU a place to hold, for a very short time, its "thinking" that needs to be held as it works on other "thinking", much the way a person who is performing a lengthy mathematical calculation might write down an intermediate calculation that will be needed to finish the final calculation.
		The most accurate way to see how fast the CPU is, is to test it on the applications that will be the most important to you.
	www.frontiernet.net /~jvernooy/cpu.html (383 words)

	Rate your CPU speed at games
		The CPU is the chip in your computer which does most of the processing.
		The clock rate of your CPU is in the "Core Speed" field in the "Clocks" section.
		The dual core CPUs like the Core 2 Duo, the Athlon 64 X2, and the Pentium D have two complete CPU cores crammed into one package but that doesn't mean that they're twice as fast.
	www.playtool.com /pages/cpuspeed/cpuspeed.html (562 words)

	CPU design - Wikipedia, the free encyclopedia
		CPU design is the hardware design of a central processing unit.
		Multi-core CPUs are typically multiple cpus on the same die possibly sharing the same cache to main memory and sharing the same bus to talk to other devices and to talk to each other...
		The CPU includes a cache controller which automates reading and writing from the cache, if the data is already in the cache it simply "appears", whereas if it is not the processor is "stalled" while the cache controller reads it in.
	en.wikipedia.org /wiki/CPU_design (7078 words)

	Clock Speed
		Internally the CPU has a "multiplier" of 24, meaning the external clock is divided into 24 periods to produce the 2.4 GHz value.
		Their speed is often set in the BIOS setup panels that appear when the user presses DEL or another key during the power up boot.
		If the mainboard clock is 100 MHz and the CPU "multiplier" is 24, then the internal clock cycles 24 times for every tick of the mainboard clock, producing a CPU speed of 2.4 GHz.
	www.yale.edu /pclt/PCHW/clockidea.htm (2471 words)

	CastleCops front side bus or cpu speed
		Generally speaking, the clock speed is the frequency of the circuit.
		CPUs are designed and rated to work with specific FSB speeds and the maximum FSB speed in any PC is determined by the motherboard.
		Since the CPU does not have any memory of its own to speak of, it shuttles little bits of data into L1 or L2 for immediate retrieval a couple clock cycles from now.
	www.castlecops.com /t172720-front_side_bus_or_cpu_speed.html (1367 words)

	CPU Speed Accelerator 3.14 – Mac OS X – VersionTracker
		CPU Speed Accelerator allows you to drastically increase the CPU allocated to your foreground applications to make the most of the power of your Macintosh.
		What CPU Speed Accelerator does is it lets the processor run whatever is in the foreground a little bit longer than it runs everything else.
		Altogehter CPU Speed Accelerator does what it says and is easy to use.
	versiontracker.com /dyn/moreinfo/macosx/21545 (768 words)

	HowTo Install A CPU
		If the jumper settings on the motherboard itself (or the CPU settings in the BIOS) don't show settings for the newer CPU's speed, you may not be able to use it.
		To check the speed capabilities in a motherboard that supports BIOS settings for the CPU speed, press F1 or Del to enter the BIOS setup when you turn your computer on (it should say Press F1 to enter setup (or something like that).
		Change the jumpers to match the ones in your manual for the new CPU's speed (or change the settings in the BIOS to match the CPU's speed).
	www.basichardware.com /HowTo_Install_CPU.html (358 words)

	CPU Speed
		I submit here that each x86 CPU is twice as fast as the previous one (thus a 386 is two times faster than a 286, which in turn is two times faster than a 8088).
		Of course, this esteem is very gross (for instance, it is known that a 386 CPU offers little advantages over a 286 at the same clock when executing 16-bit code).
		This implementation of dhrystone is 16-bit (otherwise it wouldn't run on 8088s and 286s).
	members.tripod.com /mastodonpc/ibm/speed.html (151 words)

	Accelerate Your Mac! - Yosemite Info (Site not responding. Last check: 2007-10-10)
		The new Yosemite motherboard speeds are controlled by jumper settings that determine the bus speed (default 100MHz) and CPU to Bus speed ratio (multiplier that determines the CPU speed) as well as the PCI Bus speed (not covered in this initial report).
		The vertical "Mulitiple" column shows the Bus to CPU ratio setting and the row shows which of the first 4 jumper positions are populated with jumpers.
		Since failures to boot are not normally temperature related [it could be too fast a speed for the cache as cache speed is a ratio of CPU speed or just too high a freq.
	www.xlr8yourmac.com /G3-ZONE/yosemite/OC.html (2050 words)

	cpu (Site not responding. Last check: 2007-10-10)
		Over clocking your CPU is not recommended by Tyan; therefore, we are not able to provide technical support to those who are over clocking their CPUs.
		CPU Speed jumpers can be found in our Motherboard FAQ section.
		The CPU that you are using supports Hyperthreading.
	www.tyan.com /support/html/cpu.html (694 words)

	CPU_upgrade
		Your laptop's speed is limited in application by bus speed, disk and video performance, and memory access speed.
		For the TP701, for example, the disk and video performance are actually quite decent, but the bus speed is stuck at a sluggish 25mhz and the the lack of Level 2 cache and EDO ram slows memory access.
		The CPU was a (Cyrix) DX2-66 with no L2 cache, and disk and video performance was not too different from the laptop.
	www.math.hawaii.edu /~ross/cpu.shtml (1403 words)

	CPU FAQ
		AMD's PR does not represent the actual clock speed of their processor, and is usually much higher than the processor clock speed.
		When None is in effect, the CPU will always run at full speed unless it reaches a critical thermal zone (in plain terms, unless it's overheating).
		If you are not seeing the best CPU speed even though you selected the "Always On" power scheme, it's possible that the PC is overheating.
	www.pcpitstop.com /faq/cpu.asp?print=1 (882 words)

	Geek.com Geek News - Why AMD-MHz don't equal Intel-MHz (Site not responding. Last check: 2007-10-10)
		A big part of why AMD design their CPU's to do more in parallel is because they know they don't have the silicon horsepower to go faster and shrink smaller then Intel does.
		My newest CPU is a P3 1.4GHz, which if it were not for the memory bandwidth limitations could easily take on some of the lower speed AMD and Intel CPU’s of today.
		Most CPU "enhancements" are related to getting the instructions to execute faster by reducing the amount of latency is required to get then into the program counter.
	www.geek.com /news/geeknews/2005Dec/bch20051215033811.htm (12270 words)

	CPU multiplier - Wikipedia, the free encyclopedia
		The CPU multiplier is one way for processors to run much faster than the clock speed that the motherboard or RAM allows.
		For every tick of the front side bus (FSB) clock, a frequency multiplier causes the CPU to perform x cycles, where x is the multiplier.
		The CPU multiplier is frequently used by PC enthusiasts to overclock a CPU to get somewhat higher performance from it.
	en.wikipedia.org /wiki/CPU_multiplier (214 words)

	CPU, RAM, Cache and Speed (Site not responding. Last check: 2007-10-10)
		If RAM is not fast enough, the CPU must wait several nanoseconds every time it reads a new datum.
		These days, CPU's are so fast that it would be unreasonable to make RAM fast enough to keep up.
		So system designers have made complicated arrangements in which small amounts of very fast RAM (i.e., cache), located close to the CPU, are filled with data the CPU is expected to want soon.
	www.newton.dep.anl.gov /askasci/comp99/CS097.htm (281 words)

	CPU-World.com forums :: View topic - True CPU Speeds
		I use the term 'true speed' lightly as I do not know the correct term for the 'speed' I am looking for.
		The cpu speed is not as important as comparing chipsets / motherboards / ram etc..
		As the clock speed in a computer rises without upgrades in any of the other components, a point will be reached beyond which a further increase in frequency will render the processor unstable.
	www.cpu-world.com /forum/viewtopic.php?t=5675 (504 words)

	question about cpu speed? (Site not responding. Last check: 2007-10-10)
		When the CPU is at idle, it underclocks the CPU to conserve energy and produce less heat.
		The Enhanced Halt State, as Intel calls it, does two things: it reduces the clock speed of the CPU by decreasing the clock multiplier down to its minimum value (on the EE 965 series, that's 14x, or 2.8GHz), then reducing the voltage.
		If the cpu is loaded and it is still running at 1.6ghz then there is something wrong but if not then you have nothing to worry about.
	forumz.tomshardware.com /hardware/cpu-speed-ftopict204613.html (2075 words)

	CPU Speed Menu: Description (Site not responding. Last check: 2007-10-10)
		CPU Speed Menu allows you to switch between the different performance settings of your computer by a single mouse click.
		Switching manually to a speed which meets your current needs best can improve battery load on portable computers, or avoid noise problems with cooling fans and power supply units on desktop computers.
		CPU Speed Menu can be used on all Macintosh computers which support variable processing speeds.
	www.bresink.de /osx/CPUSpeedMenu.html (138 words)

	FedoraForum.org - Decrease CPU Speed
		However, I don't believe the service is modifying the cpu speed.
		The one thing I have yet to figure out is if I can alter the slowest CPU speed it will dial back to.
		If the the CPU Speed is less then your max then it is likely that cpuspeed is doing what it should.
	www.fedoraforum.org /forum/showthread.php?t=25602 (859 words)

	Different ways to determine CPU speed in Windows XP or in Windows Server 2003
		This article describes the different locations where CPU speed is reported in Microsoft Windows XP and in Microsoft Windows Server 2003.
		Note CPU speed may be reported differently in some locations.
		The CPU speed is referred to as the "Brand String" or the "Friendly Name".
	support.microsoft.com /default.aspx?scid=kb;en-us;888282 (1269 words)

	AnandTech: Doom 3: CPU Battlegrounds (Site not responding. Last check: 2007-10-10)
		Remember that while your GPU will handle all of the rendering of the scenes in Doom 3, it is the CPU that handles all of the physics, artificial intelligence and 3D setup for sending vertex data to your GPU.
		With a Radeon 9800 Pro, having a fast CPU doesn't help as much since you are mostly GPU limited, especially at higher resolutions.
		When investigating CPU performance under Doom 3 it's clear that we'll want to use a GeForce 6800 Ultra to put as much stress on the CPU as possible, but we've also looked at how slower cards like the Radeon 9800 Pro react to CPU speed improvements as you'll see on the next page.
	www.anandtech.com /cpuchipsets/showdoc.aspx?i=2149 (789 words)

	FedoraForum.org - CPU Speed
		I am running a long and cpu-intensive job (bzip2) which consumes 100% for an hour now but the cpu frequency is very low
		I would prefer if the cpu MHz go up to max during intensive jobs and are reduced afterwards again.
		CPU 0 600000 kHz (42 %) - 600000 kHz (42 %) - powersave
	www.fedoraforum.org /forum/showthread.php?t=20945 (318 words)

	CPUInfo - CPU test, CPU speed, processor speed test, memory test
		Measured CPU Speed: The speed of your CPU, as determined by the actual performance measurement of your CPU.
		The speed text color is fl, unless your CPU has a speed rating (see 2 below).
		Memory: The speed that your CPU can access the memory in your computer, in megabytes per second -- as determined by timing a large memory to memory transfer.
	cpuinfo.visualware.com (321 words)

	Processor clock speed vs. CPU speed - LinuxQuestions.org
		Question regarding "processor speed" in specs displayed after boot-up screen and actual CPU speed.
		So the bios will correctly identify the CPU as a 2.4 Ghz CPU as it interogtes the CPU for model numbers etc, but its actually clocked at 1800 as the FSB is 100.
		It'll hopefully be a bios setting, you should have a setting for FSB or "bus speed".
	www.linuxquestions.org /questions/showthread.php?t=336422 (685 words)

	CPU Speed - Test the REAL speed of your CPU
		CPU Speed measures the REAL speed of your Intel or AMD central processing unit (CPU).
		If you've ever wondered exactly how fast your CPU is running, this great little application will tell you.
		It's very accurate and takes the guess work out of CPU purchase and testing.
	www.wizard-soft.com /cpuspeed/index.htm (220 words)

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