EasyManuals Logo

Tandy 1000 Technical Reference Manual

Default Icon
497 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #32 background imageLoading...
Page #32 background image
Tandy 1000
Technical Reference Manual
EXPANSION I/F CONNECTOR
B
A
-{»-
GND
1
1
NMI
RESET
07
+5VDC
06
IR2
05
NC
5
5
04
FDCDMAR0*
03
-12VDC
02
AUDIO
IN
01
+
12VDC
00
GND
10
10
READY
MEMW*
AEN
MEMR*
A19
IOW*
A18
IOR*
A17
DACK3*
15
15
A16
DRQ3*
A15
DACK1
*
A14
DRQ1*
A13
REFRESH*
A12
ClK
20
20
A11
RFSHRQ*
A10
BREQ*
A09
NC
A08
IR4
A07
IR3
25
25
A06
FDCDMACK*
A05
TC
A04
ALE
A03
+5VDC
A02
OSC
30
30
A01
GND
31
31
A00
Figure 6
26

Table of Contents

Other manuals for Tandy 1000

Preview: User Guide
User Guide337 pages
Preview: Programmer's Reference Guide
Programmer's Reference Guide251 pages
Preview: Basic Reference Manual
Basic Reference Manual411 pages
Preview: Owner's Manual
Owner's Manual46 pages

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Tandy 1000 and is the answer not in the manual?

Tandy 1000 Specifications

General IconGeneral
ProcessorIntel 8088
Processor Speed4.77 MHz
RAM128 KB (expandable to 640 KB)
Operating SystemMS-DOS 2.11
ManufacturerTandy Corporation
Release Year1984
StorageSingle or double 5.25" floppy disk drive (360 KB), optional hard drive
SoundTandy 3-voice sound
PortsParallel, Serial
GraphicsCGA (Color Graphics Adapter)
Graphics Modes320x200, 640x200

Related product manuals