Tandy 1000 Technical Reference Manual

Tandy 1000 Technical Reference Manual
Connector Pin Assignments
J2
-
Speaker Interface
(2-Pin Vertical Header)
-
Sound
2
-
Ground
J3
-
Right Joystick
(6-Pin
Rt. Angle Circular Din)
1 Y Axis
2
X Axis
3
-
Ground 4
Switch 1
5
-
+5 VDC
6 Switch 2
J4
-
Left Joystick
(6-Pin
Rt. Angle Circular Din)
1 Y Axis
2
- X Axis
3
-
Ground 4 Switch 1
5
-
+5 VDC 6
-
Switch 2
J5
-
Keyboard Interface
(8-Pin
Rt. Angle Circular Din)
1 KBDDATA
2
KBDBUSY*
3
Ground
4
KBDCLK
5
+5 VDC 6
KBDRST
7 MULTIDATA
8
MULTICLK
J6
-
Floppy Disk Interface
(Dual 17-Pin Vertical Header)
1
Ground
2
NC
3 Ground
4 NC
5 Ground 6 NC
7
Ground
8
INDEX*
9
Ground 10
DSO*
11 Ground 12 DS1
13
Ground 14 NC
15 Ground 16 MTRON*
17
Ground 18
DIR*
19
Ground 20
STEP*
21 Ground
22
WRDATA*
23 Ground 24
WEN*
25 Ground
26
TRKO*
27 Ground
28
WRPRT*
29 Ground 30 RDDATA*
31 Ground 32 SIDESELECT*
33
Ground 34
DRVRDY*
7

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