multiplier lock

April 2016
Computer Desktop Encyclopedia;Apr2016, p1
Reference Entry
A feature built into a CPU chip that prevents it from being overclocked (run at a higher speed). See overclock and CPU multiplier.


Related Articles

  • Multiplier Lock.  // Network Dictionary;2007, p324 

    An encyclopedia entry for "Multiplier Lock" is presented. Multiplier Lock refers to a feature built into a central processing unit (CPU) chip that prevents it from being overclocked. The Multiplier Lock is hard wired into the CPU of a computer. It is used by CPU manufacturers to prevent dealers...

  • CPU multiplier.  // Computer Desktop Encyclopedia;10/1/2011, p1 

    Also called the "clock ratio," it is the speed ratio between the computer's frontside bus (FSB) and the CPU. For example, a 10x CPU multiplier runs the CPU at 10 times the speed of the FSB. The CPU multiplier is changed in the BIOS setup. See overclock and multiplier lock.

  • FILM. Matthew Bond // Mail on Sunday;4/20/2014, p26 


  • DRIVEN to the edge. CHRISTOPHER BRAY // Mail on Sunday;8/24/2014, p27 


  • SIGNAL SOURCES.  // Wireless Design & Development;Feb2007, Vol. 15 Issue 2, p44 

    The article features two wireless signaling devices, including the ACS8946 and ACS8944 jitter attenuating and multiplying phase locked loop devices from Semtech Corp. and a range of temperature controlled crystal oscillators from C-MAC MicroTechnology.

  • Phase-locked sustainment of photorefractive holograms using phase conjugation. Qiao, Yong; Psaltis, Demetri; Gu, Claire; Hong, John; Yeh, Pochi; Neurgaonkar, R. R. // Journal of Applied Physics;10/15/1991, Vol. 70 Issue 8, p4646 

    Presents a study which described a method for sustaining multiply exposed photorefractive holograms, in a phase-locked fashion by using a pair of phase-conjugating mirrors (PCM). System in which the PCM are photorefractive crystals; Rule for photorefractive holograms produced only by diffusion;...

  • The jitters. Johnson, Howard // Electronic Design;01/20/97, Vol. 45 Issue 2, p165 

    Discusses phase locked loop (PLL)-based clock systems. Evolution of PLL clock technology; Functions of PLL-based clock recovery systems; Applications in data communications, digital design and clock multipliers; Definition of clock problems called `clock wander' and `jitter.'

  • overclock.  // Computer Desktop Encyclopedia;10/1/2011, p1 

    To speed up the computer beyond the manufacturer's specifications in order to run faster. Common in the gaming world, overclocking the CPU is accomplished by changing the clock ratio of the frontside bus (FSB) in the BIOS setup (see CPU multiplier). Older methods were changing a jumper on the...

  • What's All This Multiplier-Divider Stuff, Anyhow? PEASE, BOB // Electronic Design;9/22/2011, Vol. 59 Issue 12, p72 

    The article offers the author's perspective regarding the development of a good design for a multiplier-divider. He shares his encounter with an engineer who asked him to design a multiplier-divider that runs on more than or less than 15 Volts (V) supplies which need to run on +4 Volts. Also...

  • Frequency Quadrupler Enables Low-Frequency Measurements, Spans Up To Four Decades. CONRAD, DAVID // Electronic Design;Apr2014, Vol. 62 Issue 4, p58 

    The article focuses on solving the problem in phase-locked loop used to multiply input frequencies to resolve low frequency-counter gating time in frequency counters. Topics include implementation of multiplying input frequency by four, a circuit providing quadrature output over the range of...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics