Functional Description

3

Introduction

This chapter describes the MVME2603/2604 single board computer on a block diagram level. The General Description provides an overview of the MVME2603/2604, followed by a detailed description of several blocks of circuitry. Figure 3-1shows a block diagram of the overall board architecture.

Detailed descriptions of other MVME2603/2604 blocks, including programmable registers in the ASICs and peripheral chips, can be found in the Programmer’s Reference Guide , listed in Appendix D, Related Documentation. Refer to it for a functional description of the MVME2603/2604 in greater depth.

Features

The following table summarizes the features of the MVME2603/2604 single board computers.

 

Table 3-1. MVME2603/2604 Features

 

 

Feature

Description

 

 

Microprocessor

MPC603 PowerPC processor (MVME2603-n1n1 models)

 

 

 

MPC604 PowerPC processor (MVME2604-n1n1 models)

 

 

ECC DRAM

16MB-256MB on RAM200 module

 

 

L2 cache memory

(Optional) 256KB on base board

 

 

Flash Memory

Two 32-pin PLCC sockets (1MB 16-bit Flash) on base board; two banks

 

(4MB or 8MB 64-bit Flash) on RAM200 module

 

 

Real-time clock

8KB NVRAM with RTC and battery backup (SGS-Thomson

 

M48T59/T559)

 

 

Switches

RESET and ABORT

 

 

Status LEDs

Six: CHS, BFL, CPU, PCI, FUS, and SYS

 

 

3-1

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Motorola MVME2600 manual MVME2603/2604 Features, Feature Description, ECC Dram