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Workhorse 2-socket single- or dual-core Intel Xeon blade server
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4.
lower-power components to enable significant power and cooling savings, and hot-swap
and redundant components that reduce single points of failure.
Key Features Intel Xeon Processors
The HS20 supports up to two identical Xeon processors (that is, the same clock rate and cache
size and the same number of cores). The choice of processors includes:
• 2.8GHz single-core Xeon processor with 64-bit extensions, an 800MHz FSB, 1MB of L2
processor cache and Hyper-Threading Technology
• 2.8GHz Low Voltage single-core Xeon processor with 64-bit extensions, an 800MHz FSB,
1MB of L2 processor cache and Hyper-Threading Technology (NEBS 3/ETSI compliant)
• 3.0GHz Low Voltage single-core Xeon processor with 64-bit extensions, an 800MHz FSB,
2MB of L2 processor cache and Hyper-Threading Technology (NEBS 3/ETSI compliant)
• 2.8, 3.0, 3.2, 3.4, 3.6 or 3.8GHz single-core Xeon processor with 64-bit extensions, an
800MHz FSB, 2MB of L2 processor cache and Hyper-Threading Technology
• 1.67 or 2.0GHz ultra-low power dual-core Xeon processor, with 667MHz FSB and 2MB of
L2 processor cache (32-bit platform) (planned NEBS 3/ETSI compliant, 3Q/06)
Intel Extended Memory 64 Technology (EM64T) 64-bit extensions allow Xeon processors to
use large memory addressing when running with a 64-bit operating system. This can result in
higher performance. Additional registers and instructions (SSE3) can further boost performance
for applications written to use them. Customers should contact their software provider to
determine their software support for EM64T.
Some HS20 models feature new dual-core Xeon processors, which contain two complete
processor cores, each with its own 1MB L2 cache. The two cores appear to software as two
physical processors. The dual-core processors offer considerably higher performance than a
same-speed Xeon processor with a single core.
Hyper-Threading Technology allows one physical processor to act as two logical processors
that share resources, allowing two programs or threads to execute simultaneously and
independently. By allowing the processor to use resources that would otherwise have been idle,
Hyper-Threading Technology provides a performance boost of up to 30% in CPU resource
utilization (according to Intel) on multithreading and multitasking operations that can take
advantage of the technology. Go to
http://www.intel.com/products/server/processors/server/xeon/index.htm
for more information on
Hyper Threading Technology. The full effect of Hyper Threading Technology requires an
operating system that has been optimized to take advantage of the feature. Go to
http://www.intel.com/support/platform/ht/os.htm
for a list of these operating systems.