AP-830 Pentium® II Xeon™ Processor/Intel® 450NX PCIset AGTL+ Layout Guidelines

The Pentium® II Xeon™ processor is a follow-on to the Pentium Pro and Pentium II family of microprocessors and is the first 100 MHz Slot 2 processor. The design of the external Pentium II Xeon processor bus enables the Pentium II Xeon processor to be "multiprocessor ready." To relax timing constraints on a bus that supports up to six loads, the Pentium II Xeon processor implements a synchronous, latched bus protocol that allows a full clock cycle for signal transmission and a full clock cycle for signal interpretation and generation. This protocol simplifies interconnect timing requirements and supports 100 MHz system designs using conventional interconnect technology. The Pentium II Xeon processor bus uses low-voltage-swing AGTL+ I/O buffers, making high frequency signal communication between many loads easier.

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