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Encyclopedia > Pentium Overdrive

The Pentium OverDrive was a marketing brand name used by Intel, to cover a variety of consumer upgrade products sold in the mid 1990s. It was originally released for 486 motherboards, and later some Pentium sockets. Intel dropped the brand, as it failed to appeal to corporate buyers, and discouraged new system sales. Intel Corporation (NASDAQ: INTC) (founded 1968) is a U.S.-based multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... 1990 is a common year starting on Monday of the Gregorian calendar. ... For the processor, see Intel 80486. ... Pentium logo, with MMX enhancement The Pentium is a fifth-generation x86 architecture microprocessor by Intel which first shipped on March 22, 1993. ...


OverDrive for 486 Sockets

The Pentium OverDrive was claimed to enable 486 owners to upgrade their machines to Pentium performance, without the cost of having to replace the entire system. However, unless the motherboard had a decent amount of high speed cache memory, performance was typically disappointing. Furthermore, the OverDrive chips ran hot, and it was pointed out the DX4 based upon an older chip architecture clocked to a higher frequency, typically ran faster. Third party upgrade chips based upon AMD 486 processors clocked to higher frequencies, offered superior performance and value. The Intel DX4 is a clock-tripled 80486 microprocessor chip. ...


PODP5V-63

PODP5V-83 February 3 is the 34th day of the year in the Gregorian Calendar. ... A megahertz (MHz) is one million (106) hertz, a measure of frequency. ... Front Side Bus (FSB) is the term used to describe the CPU data bus. ...

  • Introduced October, 1995
  • 237 pins, P24T pinout
  • 5 volts
  • 83 MHz on 33 MHz front side bus (33 × 2.5)

OverDrive for Pentium Sockets

The original Pentium chips ran at higher voltages than later models, with a slower 60 or 66 MHz front side bus speed (socket 4, 5v). Although little known, Intel did in fact release an OverDrive chip for these sockets, that used an internal clock mutiplier of 2, to change them to a "120/133" machine.


OverDrives for the Pentium 75, 90 and 100 were also released (socket 5, 3.3v), running at 125, 150 and 166 MHz (clock multiplier of 2.5). The 125 is an oddity, because Intel never made a Pentium 125 as a stand-alone processor. A version was produced for Pentium 120 and 133 owners which ran at speeds of 180 and 200 Mhz respectively and included MMX technology.


External link

  • Intel® OverDrive® processors
  • Intel Pentium OverDrive
  • Pictures of the 83MHz Pentium Overdrive
  • Intel 83MHz Pentium Overdrive
  • Intel Pentium OverDrive support page

See also: Intel 80486 OverDrive Intel 80486 OverDrive processors were a category of various Intel 80486s that were produced with the designated purpose of being used to upgrade personal computers. ...



List of Intel microprocessors | List of Intel CPU slots, sockets

4004 | 4040 | 8008 | 8080 | 8085 | 8086 | 8088 | iAPX 432 | 80186 | 80188 | 80286 | 80386 | 80486 | i860 | i960 | Pentium | Pentium Pro | Pentium II | Celeron | Pentium III | Pentium 4 | Pentium M | Pentium D | Pentium Extreme Edition | Xeon | Itanium | Itanium 2   (italics indicate non-x86 processors) Intel logo, claiming fair use This is a copyrighted and/or trademarked logo. ... This list of Intel microprocessors attempts to present all of Intels processors (µPs) from the pioneering 4-bit 4004 (1971) to the present high-end offerings, the 64-bit Itanium 2 (2002) and Pentium 4F with EM64T (2004). ... Here is a list of sockets and slots used by Intel central processing units: 80486: 486 Socket Socket 1 Socket 2 Socket 3 Socket 6 Pentium: Socket 4 Socket 5 Socket 7 Pentium Pro: Socket 8 Pentium II: Slot 1 Pentium III: Slot 1 Socket 370 Pentium 4: Socket 423... The Intel 4004, a 4-bit CPU, was the worlds first single-chip microprocessor, as well as the first commercial one. ... Intel D4040 Microprocessor The Intel 4040 was the successor to the Intel 4004. ... Intel 8008 The Intel 8008 was an early microprocessor designed and manufactured by Intel, and introduced in April, 1972. ... Intel C8080A processor. ... The Intel 8085 was an 8-bit microprocessor made by Intel in the mid-1970s. ... An Intel 8086 Microprocessor The 8086 is a 16-bit microprocessor chip designed by Intel in 1978, which gave rise to the x86 architecture. ... An Intel 8088 Microprocessor The Intel 8088 is an Intel microprocessor based on the 8086, with 16-bit registers and an 8-bit external data bus. ... The Intel iAPX 432 was Intels first 32-bit microprocessor design, introduced in 1981 as a set of three integrated circuits. ... An Intel 80186 Microprocessor The 80186 is a microprocessor that was developed by Intel circa 1982. ... The Intel 80188 is a version of the Intel 80186 microprocessor with an 8 bit external data bus, instead of 16 bit. ... An Intel 80286 Microprocessor The Intel 80286 is an x86-family 16-bit microprocessor that was introduced by Intel on February 1, 1982. ... An Intel 80386 Microprocessor The Intel 80386 is a microprocessor which was used as the central processing unit (CPU) of many personal computers from 1986 until 1994 and later. ... An Intel i486 Microprocessor The Intel i486 (also called 486 or 80486) is a range of Intel CISC microprocessors which is part of the Intel x86 family of processors. ... The Intel i860 (also 80860, and code named N10) was a RISC microprocessor from Intel, first released in 1989. ... Intels i960 (or 80960) was a RISC-based microprocessor design that became quite popular during the early 1990s as an embedded microcontroller, for some time likely the best-selling CPU in that field, pushing the AMD 29000 from that spot. ... Pentium logo, with MMX enhancement The Pentium is a fifth-generation x86 architecture microprocessor by Intel which first shipped on March 22, 1993. ... The Pentium Pro is a sixth-generation x86 architecture microprocessor by Intel originally intended to replace the original Pentium in a full range of applications, but later reduced to a more narrow role as a server and high-end desktop chip. ... Pentium II – front view The Pentium II is an x86 architecture microprocessor by Intel, introduced on May 7, 1997. ... 633MHz Celeron A Celeron is any of a large number of different budget x86 microprocessors produced by Intel and marketed as a budget/value CPU line. ... Pentium III logo The Pentium III is an x86 (more precisely, an i686) architecture microprocessor by Intel, introduced on February 26, 1999. ... Pentium 4 (with hyper-threading) brand logo The Pentium 4 is a seventh-generation x86 architecture microprocessor produced by Intel and is their first all-new CPU design, called the NetBurst architecture, since the Pentium Pro of 1995. ... Introduced in March 2003, the Pentium M is an x86 architecture microprocessor designed and manufactured by Intel. ... Pentium D brand logo Pentium D is a series of microprocessors introduced by Intel at the Spring 2005 Intel Developer Forum. ... Pentium Extreme Edition brand logo // Smithfield Pentium Extreme Edition is the brand name given to a series of Intel microprocessors introduced during the Spring 2005 Intel Developers Forum, not to be confused with the Pentium 4 Extreme Edition (an earlier, single-core processor occupying the same niche). ... Xeon logo The Xeon is Intels current generation of server-class microprocessors for PCs intended for multiple-processor machines. ... Itanium brand logo In computing, the Itanium is an IA-64 microprocessor developed jointly by Hewlett-Packard and Intel. ... Itanium 2 brand logo The Itanium 2 is the successor of the first Itanium processor and is an IA-64 architecture microprocessor. ... x86 or 80x86 is the generic name of a microprocessor architecture first developed and manufactured by Intel. ...


  Results from FactBites:
 
Pentium OverDrive - Wikipedia, the free encyclopedia (308 words)
The Pentium OverDrive was claimed to enable 486 owners to upgrade their machines to Pentium performance, without the cost of having to replace the entire system.
Furthermore, the OverDrive chips ran hot, and it was pointed out the DX4 based upon an older chip architecture clocked to a higher frequency, typically ran faster.
OverDrives for the Pentium 75, 90 and 100 were also released (socket 5, 3.3v), running at 125, 150 and 166 MHz (clock multiplier of 2.5).
Pentium - definition of Pentium in Encyclopedia (725 words)
Pentium OverDrive processors were released at speeds of 63 and 83MHz as an upgrade option for older 486-class computers.
The original Pentium microprocessor had the internal code name P5, and was a pipelined in-order superscalar microprocessor, produced using a 0.8 µm process.
The Pentium brand is now used for desktop parts, the Celeron brand is used for "value" parts (typically lower performance and lower price), and the Xeon brand is used for high-performance parts suitable for servers and power-users.
  More results at FactBites »


 

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