Specifications

TABLE OF CONTENTS
HARDWARE
Introduction to the QUARK famiLy of singLe board computers
Recommended drives for the MegateL QUARK
Recommended monitors for the MegateL QUARK
Recommended keyboards for the QUARK
Required power suppLy for the QUARK
MegateL QUARK CPU Overview
CPU Memory Management
QUARK Boot Mode Memory Mapping
QUARK Video DispLay Memory
Programming the SAM Registers
QUARK Interrupt System
The QUARK Video DispLay Interfaces
Video DispLay Memory
ALphanumeric Mode
Bit-mapped Graphics Mode
Loading the Programmable Character Generator
PeripheraL Interfaces
ParaLleL Printer Interface
ParaLLel Keyboard Interface
Full-Duplex
Serial Interface
Simplex Serial Interface
Parallel I/O lines
Serial Keyboard Interface
Special
I/O Functions
Floppy Disk Interface
Expansion of the Megatel QUARK
MisceLlaneous hardware notes for the QUARK
SOFTWARE
Software for the QUARK
The QUARK Operating System
The Megatel QUARK Software Package
CP/M Commands and Utilities
Megatel Utilities and Files
CP/M Users' Group Utilities
Installing the Customized CP/M System
Operation of a one-drive system
Temporary enabling of the second drive on a two-drive system
Formatting diskettes to make copies
Making backup copies of the Distribution Diskettes
Running the QINSTALL procedure
Selection
"A"-Disk drive hardware specifications
Selection
''S''-Diskette formatting specifications
Selection
"C"-other peripherals configuration
Final steps in the
Installation procedure
New disk format and new CP/M system
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