Deschutes Pentium Ii - Compaq Armada 6500 - Notebook PC Manual

ECG050/0698
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multiprocessing (SMP) configurations, a maximum of 512K L2 cache, and have a 512-MB memory
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cacheability limit.
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. . Deschutes is the code name for a new family of processors that have increased bus speed and other
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enhancements. Intel is releasing several new Deschutes processors in 1998. Intel has announced
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the first of the new Deschutes-based processors
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The Deschutes Pentium II processors are based on sixth-generation core logic and industry-
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. . standard 32-bit Intel Architecture (IA32). The Deschutes Pentium II processors are packaged in the
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same Slot 1 form factor as older Klamath Pentium II processors, but are not a drop-in replacement
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. . for Klamath Pentium II processors in most cases. Compared with Klamath Pentium II processors,
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Deschutes Pentium II processors have increased speed, expanded system memory support, and
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other enhancements, but they still do not support greater than 2P SMP.
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Intel has also pre-announced some of the details of a second type of Deschutes processor, called the
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Pentium II Xeon. Although the Pentium II Xeon carries the Pentium II brand name, the Pentium II
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Xeon differs significantly from both older Klamath Pentium II processors and the newer Deschutes
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Pentium II processors. The Pentium II Xeon processor will be packaged in a new, larger cartridge-
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style package, and it will have a greatly enhanced level 2 (L2) cache subsystem. The Pentium II
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Xeon will also support four processor (or greater) SMP configurations. The Pentium II Xeon will
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become the main processor for high-end products after its announcement in the middle of 1998.
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In late 1999, Intel plans to launch a 64-bit (IA64) processor code-named Merced. Merced,
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however, will not mark the end of the IA32 processor line. Intel plans to continue the IA32
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architecture concurrently with the Merced line.
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. . The following two sections summarize the current details of the new Deschutes Pentium II and
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Pentium II Xeon processors.
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D P
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E S C H U T E S E N T I U M
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Understanding the feature set of a Deschutes Pentium II processor can be confusing because Intel
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. . has introduced several Pentium II processors that have some, but not all, of the attributes of a full-
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featured Deschutes Pentium II processor
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. . following attributes:
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Pentium II processor core technology (IA32)
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Processor speeds of 350-, 400-, and 450-MHz
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100-MHz GTL+ system bus
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Slot 1 cartridge
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4 GB of cacheable memory space
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MMX technology
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In January 1998, Intel announced a 333-MHz Pentium II processor. This processor has the
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Deschutes logic core but retains all the other features of the Klamath Pentium II introduced in May
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1997, such as a 66-MHz GTL+ bus and 512-MB system memory limit. In 2Q 1998, Intel
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announced a 333-MHz Deschutes Pentium II processor that still has the 66-MHz GTL+ bus but
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extends support for up to 4 GB of system memory.
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(cont.)
350 MHz and 400 MHz Pentium II processors.
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. A full-featured Deschutes Pentium II processor has the