User`s guide

Contents
Preface ..................................................... xiii
1 AlphaPC64 Introduction
1.1 System Components and Features........................ 1–1
1.1.1 Memory Subsystem ................................ 1–2
1.1.2 DECchip 21072 Support Chipset . . . ................... 1–2
1.1.3 PAL Control Set ................................... 1–2
1.1.4 Level 2 Cache Subsystem Overview . ................... 1–4
1.1.5 Clock Subsystem Overview .......................... 1–4
1.1.6 PCI Interface Overview . . ........................... 1–4
1.1.7 ISA Interface Overview . . ........................... 1–4
1.1.8 Software Support .................................. 1–5
1.1.9 Design Support ................................... 1–6
1.2 Evaluation Board Uses ................................ 1–6
2 System Jumpers and Connectors
2.1 Configuration Jumpers................................. 2–1
2.1.1 Software Configuration Jumpers . . . ................... 2–1
2.1.2 Hardware Configuration Jumpers . . ................... 2–5
2.2 AlphaPC64 Board Connectors ........................... 2–6
3 Functional Description
3.1 Chipset Introduction .................................. 3–1
3.1.1 21071-CA Introduction . . . ........................... 3–2
3.1.2 21071-DA Introduction . . . ........................... 3–4
3.1.3 21071-BA Introduction . . . ........................... 3–7
3.2 21071-CA Functional Overview .......................... 3–8
iii