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Topic: Pentium II

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In the News (Mon 19 Mar 18)

  Pentium II - Wikipedia, the free encyclopedia
The Pentium II is an x86 architecture microprocessor by Intel, introduced on May 7, 1997.
The original Klamath Pentium II ran at 233 and 266 MHz, were produced in a 0.35 µm fabrication process and produced (for that time) an incredible amount of heat.
By early 1999, the Pentium III superseded the Pentium II.
en.wikipedia.org /wiki/Pentium_II   (789 words)

 Pentium - Wikipedia, the free encyclopedia
Pentium OverDrive processors were released at speeds of 63 and 83 MHz 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 traditionally used for desktop and notebook 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 workstations.
en.wikipedia.org /wiki/Pentium   (952 words)

 Computer Processor Information (CPU)
PENTIUM - One of the most famous and most known bugs is the Pentium FPU flaw / bug discovered by a a mathematician in October 1994.
INTEL PENTIUM II (Code Name: Klamath) - Initially the Pentium II 233MHz was released in 1997 and introduced a new physical architecture which encased a circuit board within a plastic case.
The Pentium III chip continued to use the SLOT 1 and could be used on previous Pentium II motherboards with BIOS support.
www.computerhope.com /help/cpu.htm   (1621 words)

 Intel® Pentium® II Processor - Product Overview
Pentium II processors are targeted for professionals, avid PC users, and PC gamers, or the Enthusiast/Professional desktop users.
The Pentium® II processor at 450 MHz delivers 32% more integer performance (as measured by SPECint95), 30% more multimedia performance (as measured by Norton Media Benchmark), and 35% more floating point performance (as measured by SPECfp95) than the 333 MHz Pentium® II processor.
The Pentium II processor family’s significant performance improvement over previous Intel-Architecture processors is based on the seamless combination of the P6 microarchitecture and Intel MMX media enhancement technology.
developer.intel.com /design/PentiumII/prodbref   (1054 words)

 Intel® Pentium® II Processor - Integration Notes
The Pentium II processor family is one of Intel's 32-bit Intel Architecture processors for mainstream desktops, workstations and servers.
Maximum Operating Temperature on a boxed Pentium II processor at 350 MHz or 400 MHz in the S.E.C.C.2 package is measured at the center of the processor core which is underneath the attached fan heatsink.
Pentium II processors are tested during manufacturing to ensure they will work in DP configurations with processors of the same speed.
support.intel.com /support/processors/pentiumii/sb/CS-011169.htm   (2601 words)

 c't 9/98, page 22 - fake Pentium II models
At present, forgers specialize in Pentium II with 266Mhz which they offer as 300MHz models either with a made up labels or in mock plastic casings [1].
For the new Pentium II with 350MHz overclock protection is achieved by simply using cache chips with an access time of 5.5ns.
With the Pentium II 350, Intel proposes another new lucrative business idea to the forgers: The difference in price between the 350 and the 333 models is at present a worthwhile US$129.
www.heise.de /ct/english/98/09/022   (1422 words)

 An illustrated Guide to 6th generation CPUs
The Pentium II The second 6th generation CPU was Intel's Pentium II from 1997.
Pentium II is a large rectangular plastic box, which contains the CPU and cache.
Pentium II is and has been available in 233, 266, 300, 333, 350, 400, 450, and 500 MHz editions.
www.karbosguide.com /hardware/module3e02.htm   (402 words)

 MacOPINION: Philip Machanick: Don't Adjust Your TV   (Site not responding. Last check: 2007-11-07)
Describing the G3 as technically superior to the Pentium II is not quite as serious an error of scale as describing the new Beetle as technically superior to the original, but it's the same basic mistake.
Clearly, the gap between the Pentium II and the G3 is not as big, otherwise the Pentium II would not be in the race at all -- but the generational gap is there, and it's growing rather than shrinking.
Maybe a fairer comparison is with the Mobile Pentium II since, after all, the G3 was always intended for mobile computing.
www.macopinion.com /columns/intelligence/aug98/080698.html   (886 words)

 Define Pentium - a definition from Whatis.com   (Site not responding. Last check: 2007-11-07)
The Pentium Pro, released in 1995, was designed for PC servers and workstation that needed to serve multiple users or needed the speed required for graphics-intensive applications.
Among the Pentium II's features are a 512 KB (kilobyte) level-two (L1 and L2) memory cache and a 32 KB L1 and L2 cache, twice that of the Pentium Pro processor.
The latest Pentium II's are Celeron, a low-end Pentium without the L2 cache, and Xeon, a high-end Pentium that replaces the Pentium Pro for enterprise server and workstation computers.
whatis.techtarget.com /definition/0,,sid9_gci212771,00.html   (278 words)

 Inside the Pentium II Math Bug
There was nothing illegal about the acquisition of the Pentium II processor.) After running the test on these various processors, I came to the conclusion that a bug did exist in the Pentium Pro and Pentium II.
Pentium Pro and Pentium II users, on the other hand, are most likely to see the results of this bug in their graphics displays or in heavy-duty numerical analysis programs.
Another report surfaces that this bug report was calculated to be timed with the Pentium II announcement (even though a rudimentary analysis of the chronology that appeared in the original article would have refuted such claims).
www.rcollins.org /ddj/Aug97/Aug97.html   (2904 words)

 Olympus MIC-D: Integrated Circuit Gallery - Pentium II Microprocessor
The Pentium II doubled the level 1 primary cache memory (32 Kbytes versus 16 Kbytes each for instructions and data) and featured new segment register caches that improved the processing of 16-bit code, compared to the older Pentium Pro.
By eliminating the speedy integrated Pentium Pro secondary cache, and replacing it with a 512-Kbyte secondary cache that ran at half the processor's speed, Intel effectively cropped competition from rivals AMD and Cyrix.
The 333 MHz Pentium II was followed by the 350 MHz and 400 MHz versions that employed a newer 100 MHz system bus for increased processing speed.
www.olympusmicro.com /micd/galleries/chips/pentium2a.html   (301 words)

 c't 7/98, page 18 - Intels Pentium II
Investigations at exhibitors at the CeBIT unveiled that the forgers are changing Pentium II chips with 266 MHz clock frequency into 300 MHz versions with little expense and in a grand style.
Consequently the Pentium II counterfeits now discovered by c't only show the current state of the technology - also as far as the ever better quality of the fakes is concerned: They are almost perfect, and even experts have problems to detect them just by their appearance and without a direct comparison to originals.
But there is a more reliable piece of evidence for discovering type II counterfeits: The opening of the old casing probably formed a telltale distortion on a small plastic tongue at the bottom right of the metal side of the CPU.
www.heise.de /ct/english/98/07/018   (1056 words)

 An illustrated Guide to 6th generation CPUs
It was the first of a second generation Pentium IIs known under the code name "Deschutes".
Early 1998 Intel was having a hard time with the Pentium II which was pretty expensive.
It is a Pentium II cartridge except for the L2 cache, which has been chopped away.
www.karbosguide.com /hardware/module3e03.htm   (1064 words)

 Intel® Pentium® II Processors for Embedded Computing - Overview
Intel®; Pentium® II processors - Low Power at 266 and 333 MHz bring performance and efficient power consumption to applied computing applications.
Together, the Pentium II processor - Low Power and the 440BX meet the design constraints of applied computing applications including interactive clients, communications application platforms and industrial PCs.
The Pentium II processor - Low Power, and the 440BX AGPset are supported by a broad selection of software, including drivers and compilers, in addition to Intel®; Architecture platform technologies that can enhance system manageability, and PC-based development tools that can dramatically cut time-to-market.
www.intel.com /design/intarch/pentiumii/pentiumii.htm   (301 words)

 Pentium II evaluation
On main memory there is virtualy no improvement with the innovative method because Pentium Pro and Pentium II support multiple outstanding bus transactions (that is, they issue the next read request before the current is finished, therefore eliminating the flaw).
Pentium II, Cyrix M2 and AMD K6 have write allocation, that is on a cache miss, they read a whole line before they write to it, resulting in lower main memory write performance and higher secondary cache write performance.
Pentium II is very good on Quake (due to its next generation floating point unit), it reaches 25 frames per second while the best of the rest, Pentium MMX-200, reaches only 15.7.
www.intelligentfirm.com /membench/IntelP6.html   (455 words)

 Amazon.com: Pentium Pro and Pentium II System Architecture (2nd Edition): Books: MindShare Inc.,Tom Shanley   (Site not responding. Last check: 2007-11-07)
Pentium(R) Pro and Pentium(R) II System Architecture, Second Edition, details the internal architecture of these two processors, describing their hardware and software characteristics, the bus protocol they use to communicate with the system, and the overall machine architecture.
In detailing the Pentium Pro and Pentium II processors' internal operations, the book reveals why the processors generate various transaction types and how they monitor bus traffic generated by other entities to ensure cache consistency.
It highlights the differences between the Pentium Pro and Pentium II processors, in particular, the Slot 1 connector and the processor cartridge design utilized by the Pentium II and intended for use in future Intel processors.
www.amazon.com /exec/obidos/tg/detail/-/0201309734?v=glance   (1605 words)

 Comparison of Athlon, Pentium III, Celeron, K6, M2 CPU's
Like the Pentium II and Pentium III, the Athlon is mounted in a module with separate SRAM chips for the L2 cache, and it has a special bus that connects the processor to the L2 cache chips.
Unlike Pentium II and Pentium III, the K6-2 does not have a separate interface for the L2 cache, so the cache speed is limited to 100 MHz and must share the bus bandwidth with memory and I/O traffic.
The M II design is clearly showing its age, and Cyrix plans to replace it this fall with a chip code-named Gobi.
www.kingli.com /CPU-compare2.htm   (2226 words)

 Building a Pentium II PC - illustrated tutorial!
Anybody who installs a Voodoo 2 card in a computer with a Riva TNT card is going to have a hard time explaining why, but since it works with the Viper in exactly the same way as it works with everything else, I did it anyway for demonstration purposes.
I, personally, am a big fan of overclocked Celeron processors for home computers, but since they're not quite a plug-and-go proposition, a proper Pentium II 350 is a decently fast and not too pricey alternative for people who don't want to fuss around running things faster than the label says.
Pentium II class processors have to be different, and use one or another kind of mounting rail apparatus, sometimes with a brace out the side as well.
www.dansdata.com /buildpc.htm   (5436 words)

 CNN IDG.net - Intel Pentium II Xeon CPU - July 16, 1998
All this mumbo-jumbo means that you will not need a Pentium II Xeon system unless your company wants to stick with Intel processors and runs expensive, high-end digital-media creation software such as Softimage or 3D Studio Max, as well as mechanical and electrical CAD, software engineering, financial analysis, and geographical information systems applications.
The Dell Precision 610 with a single 400-MHz Xeon CPU outperformed a similarly configured 400-MHz Pentium II by 5 percent, and surpassed a similarly configured 333-MHz Pentium II by 22 percent.
The HP Kayak XU, configured with two 400-MHz Xeon CPUs, outperformed a similarly-configured 400-MHz Pentium II by 9 percent and a similarly-configured 333-MHz Pentium II by 25 percent.
www.cnn.com /TECH/computing/9807/16/xeon.idg   (595 words)

 The Silicon Edge - Hardware/CPU/Pentium II Xeon info   (Site not responding. Last check: 2007-11-07)
Intel's Pentium II Xeon is a new branch of the Pentium II brand intended for high-end server and workstation applications.
Unlike the standard Pentium II line, the Pentium II Xeon can accommodate up to 2 MB of L2 cache and runs it at full CPU speed, unlike the Pentium II, which runs its cache at half speed.
The sheer size of the Pentium II Xeon's cartridge also gives it some rather unique thermal and mechanical engineering requirements.
www.stwing.upenn.edu /~rkuo/hardware/CPU/Pentium_II_Xeon.html   (274 words)

 Pentium II - Webopedia.com   (Site not responding. Last check: 2007-11-07)
The Pentium II builds on the design of the Pentium Pro, but adds an additional 2 million transistors to bring the total up to 7.5 million.
Intel article (April 1998) describing the performance and architecture of the Pentium II and Celeron processors.
Explains the details of the possible bug in the floating point unit of the new Pentium II processor.
winplanet.webopedia.com /TERM/P/Pentium_II.html   (217 words)

The other thing is that the Pentium II's often run so hot that people put fans over the heat sink (just to be sure), and there are stories of people burning themselves on the heat sinks.
I keep wondering if the next Pentiums are going to have to have liquid cooling (or powered cooling) just to keep them from burning up -- then I remember that active cooling is already options today (many Pentiums have required a fan or special coolers -- and if the fan breaks, your processor burns up).
Personally I like Pentiums they are so bulky and nostalgic, like those Intel guys in iridescent leisure suits dancing to 70's music -- they remind me of the refrigerator sized disk and tape drives, or big 8" floppy disks that I used in yesteryear.
www.mackido.com /Hardware/PIIvG3.html   (770 words)

 AnandTech: Intel Pentium II   (Site not responding. Last check: 2007-11-07)
Basically the Pentium II is a more advanced Pentium Pro with its L2 cache running at 1/2 the clock speed which, although is a step down from the clock speed L2 cache of the Pro, gives it the lead over AMD's K6 and Cyrix's 6x86MX.
The core of the Pentium II is much like that of the AMD K6 in that it decodes complex instructions into much smaller and easier to manage RISCops, Intel's version of a RISC86 instruction (they are essentially the same thing).
The Pentium II 350, 400, and 450 will all run using the upcoming 100MHz bus speed present only on the 440BX chipset (nope, not the LX as originally expected) which, along with the 350MHz+ Pentium IIs, will be released in the first half of next year.
www.anandtech.com /html/review_display.cfm?document=125   (1034 words)

For programmers and users, the Pentium II offers the MMX instruction set, which is of use in multimedia, digital-video, content-creation, and games applications.
Also, unlike the Pentium Pro, which operates at 3.3V, the Pentium II operates at 2.8 V, thereby allowing Intel to run it at higher frequencies without unduly increasing its p ower requirements.
In fact, the Pentium II is a cross between a multichip module and a hybrid using an FR4 (printed circuit board) substrate, as shown in the photo.
www.byte.com /art/9709/sec4/art4.htm   (1451 words)

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