Introduction; Physical Description - Aristocrat USA MAV500/MKVI Service Manual

USA MAV500/MKVI Service Manual

10.1 Introduction

The Main Board provides central control of the Aristocrat Video Gaming Machine.
The board is fitted with an Hitachi SH-4 microprocessor that interfaces to other
equipment in the machine via the Backplane Board.
The highlights of the Main Board are as follows:
Hitachi SuperH SH-4 (SH7750 Model) RISC microprocessor operating at 198
•
MHz − features a 64-bit external data bus, 16-bit fixed-length instruction set and a
128-bit vector graphics engine,
on-board power supply regulator,
•
audio amplifier for speakers,
•
game EPROMS,
•
security monitoring of machine door activities,
•
serial channels,
•
real time clock,
•
silicon serial identification,
•
watchdog timer and reset,
•
surface mounted technology,
•
compatibility with Mk V Main Board (as used in Aristocrat MVP Gaming
•
Machines),
design flexibility allowing for future changes in machine configuration.
•

10.2 Physical Description

The Main Board, along with the other major printed circuit boards, is located within
the security logic cage (see Figure 10-1). The logic cage is a lockable, steel box
located beneath the monitor shelf and provides security and protection for the PCBs.
The Main Board slides on guides within the cage and connects directly to the
Backplane Board via three 96-way DIN 41612 connectors. Connectors are provided
on the Main Board for the Communications Configuration Board and an optional
Memory Expansion Board.
Figure 10-2 provides a block diagram illustrating the electronics system architecture.
The system is available in various configurations to meet specific machine
requirements.
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This document contains confidential information which is proprietary to ATI. It may not be disclosed to any unauthorized parties,
and it may not be copied. All rights reserved. © Copyright (ATI) Aristocrat Technologies, Inc. 2002.
Main Board
10-3