Contents PAGE SUBJECT 1-1 1-1 1-3 1-3 1-3 1-3 1-4 1-4 1. SY~EII OVERVIEW FEATURES AND CAPABILITIES SYSTEM SOFTWARE OPERATING SYSTEMS SYSTEM MONITOR DIAGNOSTICS OPI'IONS RELATED DOCUMENTS 2-1 2-1 2-3 2-5 2-7 2. SPECIFICATIONS SYSTEM SPECIFICATIONS POWER SU PPL Y FLOPPY DISK DRIVE HARD DISK DRIVE 3-1 3-1 3-1 3-4 3. SYSTEM ARCBITEC'roRE INTRODUCTION BUS STRUCTURE MEMORY ARBITRATION 4-1 4-1 4-1 4-1 4-3 4-3 4-4 4-4 4-4 4-4 4. GENERAL SYSTEM FUNcrIONAL DESCRIPrION INTRODUCTION CPU BOARD 80186 MICROPROCESSOR MEMORY DEVICES MEMORY MANAGEMENT UNIT (MMU) FLOPPY DISK DRIVE WORKNET Z-80A I/O PROCESSOR HARD DISK CONTROLLER BOARD 5-1 5-1 5-1 5-3 5-3 5-4 5-6 5-7 5-12 5-13 5-23 5-24 5-24 5.
SUBSYSTEM FUNCTIONS INTRODUCT ION CENTRAL PROCESSING UNIT (CPU) HARDWARE OVERVIEW 80186 MICROPROCESSOR ARCHITECTURE Addressing Modes Direct Memory Access (DMA) Operation Programmable Timer Operation Interrupt Control Operation MEMORY ADDRESSING MEMORY MANAGEMENT UNIT SYSTEM CONTROL PORT FLOPPY DISK CONTROLLER OPERATION Programming