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U1500 Scheda tecnica(PDF) 8 Page - Intel Corporation |
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U1500 Scheda tecnica(HTML) 8 Page - Intel Corporation |
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8 / 91 page  Introduction 8 Datasheet In addition to supporting the existing Streaming SIMD Extensions 2 (SSE2), there are 13 new instructions which extend the capabilities of Intel processor technology further. These new instructions are called Streaming SIMD Extensions 3 (SSE3). 3D graphics and other entertainment applications, such as gaming, will have the opportunity to take advantage of these new instructions as platforms with the processor and SSE3 become available in the market place. The processor’s FSB utilizes a split-transaction, deferred reply protocol. The FSB uses Source-Synchronous Transfer (SST) of address and data to improve performance by transferring data four times per bus clock. The 4X data bus can deliver data four times per bus clock and is referred as “quad-pumped” or 4X data bus, the address bus can deliver addresses two times per bus clock and is referred to as a “double-clocked” or 2X address bus. Working together, the 4X data bus and the 2X address bus provide a data bus bandwidth of up to 5.33 GB/second. The FSB uses Advanced Gunning Transceiver Logic (AGTL+) signaling technology, a variant of GTL+ signaling technology with low power enhancements. The processor features Enhanced Intel SpeedStep Technology, which enables real-time dynamic switching between multiple voltage and frequency points. The processor features the Auto Halt, Stop Grant, Deep Sleep, and Deeper Sleep low power C-states. The processor utilizes socketable Micro Flip-Chip Pin Grid Array (Micro-FCPGA) and surface mount Micro Flip-Chip Ball Grid Array (Micro-FCBGA) package technology. The Micro-FCPGA package plugs into a 479-hole, surface-mount, Zero Insertion Force (ZIF) socket, which is referred to as the mPGA479M socket. The processor supports the Execute Disable Bit capability. This feature, combined with a support operating system, allows memory to be marked as executable or non executable. If code attempts to run in non-executable memory the processor raises an error to the operating system. This feature can prevent some classes of viruses or worms that exploit buffer overrun vulnerabilities and can thus help improve the overall security of the system. See the Intel® Architecture Software Developer's Manual for more detailed information. Intel Virtualization Technology is a set of hardware enhancements to Intel server and client systems that combined with the appropriate software, will enable enhanced virtualization robustness and performance for both enterprise and consumer uses. Intel Virtualization Technology forms the foundation of Intel technologies focused on improved virtualization, safer computing, and system stability. For client systems, Intel Virtualization Technology’s hardware-based isolation helps provide the foundation for highly available and more secure client virtualization partitions. |
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