Tandy 1000 Programmer's Reference Guide

Programmer's Reference Manual: Copyright 1984
Tandy Corporation and Microsoft Corporation.
Licensed
to Tandy Corporation.
All Rights Reserved.
MS'"-DOS Software:
Copyright 1981, 1982, 1983 Microsoft Corporation.
Licensed
to Tandy Corporation.
All Rights Reserved.
Tandy@ 1000 BIOS Software:
Copyright 1984 Tandy Corporation and
Phoenix Compatibility Corporation.
All Rights Reserved.
Tandy is a registered trademark of Tandy Corporation.
CPiM is a trademark of Digital Research.
IBM is a trademark of International Business Machines.
Reproduction
or use without express written permission
from Tandy Corporation, of any portion of this manual is
prohibited. While reasonable efforts have been taken in
the preparation of this manual to assure its accuracy,
Tandy Corporation assumes no liability resulting from
any errors
or omissions in this manual, or from the use of
the information contained herein.
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Tandy 1000 Specifications

General

Processor	Intel 8088
Processor Speed	4.77 MHz
RAM	128 KB (expandable to 640 KB)
Operating System	MS-DOS 2.11
Manufacturer	Tandy Corporation
Release Year	1984
Storage	Single or double 5.25" floppy disk drive (360 KB), optional hard drive
Sound	Tandy 3-voice sound
Ports	Parallel, Serial
Graphics	CGA (Color Graphics Adapter)
Graphics Modes	320x200, 640x200