Intel U2400 LE80539UE0042M 用户手册
产品代码
LE80539UE0042M
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.