K811NX_layoutguide_R0A CONFIDENTIAL DOCUMENT FOR INTERNAL USE PT11NX Layout Guideline R0A v0.1 12/14/2005 TABLE OF CONTENTS 1. PCB Board spec 3 1.1 Board stackup 3 1.2 Trace Impedance Control 3 1.3 General Trace/Space 3 1.4 Technical Specification Summary 4 2. Hypertransport bus 5 2.1 Hyper transport CLK 5 2.2 CK8 HT function 6 2.3 Gigabit Lan Controller – “Broadcom bcm4401” 7 3. AMD DDR1 -- Memory Bus, CLK Bus, CAD Bus 8 3.1 Operational Environment 8 4. CK8/IO4 HT CMD Function 8 4.1 Operational Environment 8 5. PCI Express Fun……