Friday, December 12, 2008

RAZZZZZ THE MYSTERY CONTINUES

RAZZ 2 is certainly not the sequel of Raaz is what is all said about the movie. Directors Mahesh Bhatt and Mukesh Bhatt desperately are trying to clear the buzz in the air the RAAZ 2certainly has its own conception and has nothing to do with RAAZ. Kangana plays a super model in this film and Adhyayan her boyfriend

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Friday, December 5, 2008

Intel Core 2

Intel Core 2


The Core 2 brand refers to a range of Intel's consumer 64-bit dual-core and 2x2 MCM (Multi-Chip Module) quad-core CPUs with the x86-64 instruction set, based on the Intel Core microarchitecture, derived from the 32-bit dual-core Yonah laptop processor. (Note: The Yonah's silicon chip or die comprised two interconnected cores, each similar to those branded Pentium M). The 2x2 MCM dual-die quad-core[1] CPU had two separate dual-core dies (CPUs)—next to each other—in one quad-core MCM package. The Core 2 relegated the Pentium brand to a mid-end market, and reunified laptop and desktop CPU lines, which previously had been divided into the Pentium 4, D, and M brands.

The Core microarchitecture returned to lower clock rate and improved processors' usage of both available clock cycles and power compared with preceding NetBurst of the Pentium 4/D-branded CPUs.[2] Core microarchitecture provides more efficient decoding stages, execution units, caches, and buses, reducing the power consumption of Core 2-branded CPUs, while increasing their processing capacity. Intel's CPUs have varied very wildly in power consumption according to clock rate, architecture and semiconductor process, shown in the CPU power dissipation tables.

The Core 2 brand was introduced on July 27, 2006[3] comprising the Solo (single-core), Duo (dual-core), Quad (quad-core), and Extreme (dual- or quad-core CPUs for enthusiasts) branches, during 2007.[4] Intel Core 2 processors with vPro technology (designed for businesses) include the dual-core and quad-core branches.[5]

Duo, Quad, and Extreme
The Core 2-branded CPUs include: "Conroe" and "Allendale" (dual-core for higher- and lower-end desktops), "Merom" (dual-core for laptops), "Kentsfield" (quad-core for desktops), and their variants named "Penryn" (dual-core for laptops), "Wolfdale" (dual-core for desktops, low-end dual-core for desktops) and "Yorkfield" (quad-core for desktops). (Note: For the server and workstation "Woodcrest", "Clovertown", and "Tigerton" CPUs see the Xeon brand[6].)

The Core 2 branded processors featured the Virtualization Technology (except T52x0, T5300, T54x0, T55x0 with stepping "B2", E2xx0, E4x00 and E8190 models), Execute Disable Bit, and SSE3. Their Core microarchitecture introduced also SSSE3, Trusted Execution Technology, Enhanced SpeedStep, and Active Management Technology (iAMT2). With a Thermal Design Power (TDP) of up to only 65 W, the Core 2 dual-core Conroe consumed only half the power of less capable, but also dual-core Pentium D-branded desktop chips[7] with a TDP of up to 130 W[8] (a high TDP requires additional cooling that can be noisy or expensive).

Typical for CPUs, the Core 2 Duo E4000/E6000, Core 2 Quad Q6600, Core 2 Extreme dual-core X6800, and quad-core QX6700 and QX6800 CPUs were affected by minor bugs.[9]

Intel Atom



Intel Atom is the brand name for a line of x86 and x86-64 CPUs (or microprocessors) from Intel, previously code-named Silverthorne and Diamondville processors, designed for a 45 nm CMOS process and intended for use in ultra-mobile PCs, smart phone and other portable and low-power applications.

Background
Prior to the announcement, outside sources had speculated that Silverthorne would have competed with AMD's Geode system-on-a-chip processors, currently used by the One Laptop per Child project, and other cost- and power-sensitive applications for x86 architecture processors. However, Intel revealed on October 15, 2007[1] that it is developing another new mobile processor, codenamed Diamondville, for OLPC-type devices.

Silverthorne will be sold under the brand name "Atom", while the formerly code-named Menlow platform it sits on will be sold under the brand name Centrino Atom.[2] Intel's Atom press release only mentions "Diamondville" once and seems to imply that it too will be named "Atom".[3] This seems to strengthen speculation that Diamondville is simply a lower-cost, higher-yielding version of Silverthorne with slightly higher TDPs at slightly lower clock speeds.[4]

At Spring Intel Developer Forum (IDF) 2008 in Shanghai, Intel officially announced that Silverthorne and Diamondville are based on the same microarchitecture. Silverthorne will be called the Atom Z series and Diamondville will be called the Atom N series. The more expensive lower-power Silverthorne parts will be used in Intel Mobile Internet Devices (MIDs) whereas Diamondville will be used in low-cost desktop and notebooks. Several Mini-ITX motherboard samples have also been revealed.[5] Intel and Lenovo also jointly announced an Atom powered MID called the IdeaPad U8.[6] The IdeaPad U8 weighs a mere 280g and has a 4.8" touchscreen providing better portability than a netbook PC and easier Internet viewing than a mobile phone or PDA.

In April 2008, an MID development kit was announced by Sophia Systems[7] and the first board called CoreExpress was revealed by a German company Lippert.[8][9] Intel offers Atom based motherboards.[10][11]

Availability
Atom processors became available to system manufacturers in 2008. Atom processors are not yet available to home users or system builders, although they may be obtained preinstalled on some ITX motherboards. The Diamondville Atom is used in the Acer Aspire One and MSI Wind PC netbooks.

Xeon


The Xeon brand refers to many families of Intel's x86 multiprocessing CPUs – for dual-processor (DP) and multi-processor (MP) configuration on a single motherboard targeted at non-consumer markets of server and workstation computers, and also at blade servers and embedded systems. The Xeon brand has been maintained over several generations of x86 and x86-64 processors. Older models added the Xeon moniker to the end of the name of their corresponding desktop processor, but more recent models used the name Xeon on its own. The Xeon CPUs generally have more cache than their desktop counterparts in addition to multiprocessing capabilities. Intel's (non-x86) IA-64 processors are called Itanium, not Xeon.

Pentium II Xeon
The first Xeon branded processor was released in 1998, named the Pentium II Xeon (codenamed "Drake"), as the replacement of the Pentium Pro. It was based on the 0.25 µm "Deschutes" core (P6 microarchitecture) branded Pentium II (sharing its 80523 product code), used either a 440GX (a dual-processor workstation chipset) or 450NX (quad-processor, or oct with additional logic) chipset, and differed from the Pentium II desktop CPU (Deschutes) in that its off-die L2 cache ran at full speed. It also used a larger slot known as slot 2. Cache sizes were 512 KB, 1 MB, and 2 MB, and it used a 100 MT/s front side bus (FSB)[1].

Pentium III Xeon
In 1999, the Pentium II Xeon was replaced by the Pentium III Xeon. Reflecting the incremental changes from the Pentium II "Deschutes" core to the Pentium III "Katmai" core, the first Pentium III Xeon, named "Tanner", was just like its predecessor except for the addition of Streaming SIMD Extensions (SSE) and a few cache controller improvements. The second version, named "Cascades", was based on the Pentium III "Coppermine" core. The "Cascades" Xeon used a 133 MT/s bus and relatively small 256 KB on-die L2 cache resulting in almost the same capabilities as the Slot 1 Coppermine processors, which were capable of dual-processor operation but not quad-processor operation. To improve this situation, Intel released another version, officially also named "Cascades", but often referred to as "Cascades 2 MB". That came in two variants: with 1 MB or 2 MB of L2 cache. Its bus speed was fixed at 100 MT/s, though in practice the cache was able to offset this. Product codes for Tanner and Cascades mirrored that of Katmai and Coppermine; 80525 and 80526 respectively.

Xeon (DP) & Xeon MP (32-bit)
Foster
In mid-2001, the Xeon brand was introduced ("Pentium" was dropped from the name). The initial variant that used the new NetBurst architecture, "Foster", was slightly different from the desktop Pentium 4 ("Willamette"). It was a decent chip for workstations, but for server applications it was almost always outperformed by the older Cascades 2 MB core and AMD's Athlon MP. Combined with the need to use expensive Rambus Dynamic RAM, the Foster's sales were somewhat unimpressive.

At most two Foster processors could be accommodated in a symmetric multiprocessing (SMP) system built with a mainstream chipset, so a second version (Foster MP) was introduced with a 1 MB L3 cache and the Jackson Hyper-Threading capacity. This improved performance slightly, but not enough to lift it out of third place. It was also priced much higher than the dual-processor (DP) versions. The Foster shared the 80528 product code with Willamette.

Intel A100

Intel A100

The Intel processors A100 and A110 are x86 architecture low-power microprocessors (code-named Stealey), with a Dothan core derived from the Intel Pentium M, built on a 90 nm process with 512KB L2 cache and 400MHz front side bus (FSB). The A100/A110 represent the CPU component of the McCaslin platform.[1] They are to be replaced in 2008 by the Menlow platform, including the Silverthorne (Intel Atom) 45nm CPU and Poulsbo chipset.[2]

The A110 runs at 800MHz, the A100 at 600MHz, and both have a TDP of 3 watts, and a power consumption in the lowest power state of only 0.4 watts.[3]

The A100 and A110 processors are part of the Intel Ultra Mobile Platform 2007[4] and were designed to be used in MIDs, UMPCs and Ultralight laptops, like the Kohjinsha Convertible Tablet PC.[5]