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 #493 background imageLoading...
Page #493 background image
Tandy
1000
Technical
Reference
Manual
050*
.............
..J6-iO
MTRONM
.--
..J6-16
'2
,
05
Ut07
06
Ut07
I I
11
10
n~B~~
Lth
I
(]~~,=~S~YSAS::T·~~2~~========================;i3=~.
U7i
I LlB3
;-.;
1001
~::
1~~
74LS273~~'9~2~_-_-_-_--=--=--=-~
~~
);~
__
------'=j;:========j~~9~~~OB!.---------------.Q~-D
--...
JOD3
~}--'=----------------,-----------_++---+--,,-';j~
D2
Q2+--
~
SH~7~~~~~~~:"OO:4~~~~~~~~~~~~~~~~~~~~~~~~fEE~14D3
Q31-'~~=tt=::ji°'~>~---------~
1005
7
04
Q4i-:-6
02
J--="----_~_~_7
"006
+_++_J_Hf_+__+~1~
~
~~
11
CK
WEN"
-L.;>..J6-24
UB4
12
l
LJOI
,-
~_74L_S3_2
_
__jI--'~~'
~:B
1
U107
I
oo~,_us
US1'''--''-'03e-_t-
I
-----,
}----"'''''''-
~
~Ol
02
~/'"
@II:=::>
AEN
TRKO_
............
JEi-26
OIA*
...........
J6-1B
INDEX_
...........
J6--Qa
WRPRT
*.--
JEi-28
DRVROYM
.............
JEi
-34
NOTE:
ALL
000
NO.
PINS
ON
J6
ARE C()/'.N£CTED
TO
LOGIC
GRQI...t..IO
WRDATA
V
J6-22
SIOESELECT.!t.;>
J6
-32
UB4
OB
~
GROUND
INPUT
Wt-EN
READY
SIGN
FROM
OAIVES
IS
NOT
USED
R70
~
7K
I
FLOPPY
DISK
CONTROLLER
UB5
01
UB5
04 03
UB5
OB
~09,,----
-p
&,\
UB3
04~
05'1
U107
7
SEPD*
OSK-O* 1
12
13
J
LJ69
COI:~'
74LS~4
FOC9216
_
2 SEPCLK
COO
5
-=-
~3
UB4
,---------'-;111
10
~
UB5
~F'-2
o;;06,<
as
74LSOB
~
_,
.•
~11
~
74LS14
__
~_~11
74LS04
C25
~BOPF
I usa
LATE
r---tLR-
74LS195A
WE
25
,----------'=---,L~"
OA~NC
~SEL
27
H
KM
QB*NC
::I*~~~--------------+------:e~;""
N~INAL
~:1
~
oE~:7-~
-::------''C-l
VCO~NC
I I
,~O
CK
-!L....<BJ+tz
~i=~
UI0
64
EARLY
T
L~~~~~~f':'~:;--------,I
AW*~~~~~e;~E====~ll
FL
T
/TRKO~33:;-
----,
UB4
ROY
35
~----------"-71
04
IOX~'7E==~
ADO
23
FDW
22
VCD~NC
MFM~
US2
FDC
uPO
765
~
II
05
06
A
74LS04
AC
15
:~~~
GC~NC
OOFNC
U31
74LS161A
-
R27
4.7K
I~
~
L'---
-----'
R26
4.7K
~
'06~
74LS17.
CK 9
3
10
10
2
~
20
2Q-t--
NC
l1
30
3Q
10
NC
~~~
:#~
NC~
so
6G1
J§.NC
--T
I
Eli:-NC~z
LY7~~112
L
--J>__---------------~=====:::J--4'~
RJ
o
11,J
09
4t4-iz
~
'3"'J07
o...r--
12
~::NC
14
7~L~112
R66A
10K
1
I
..
~U29._
~~Z
74504
R25
9'0
<
U29
02
NC
R3!5
>
9'0
YI
~_~~08.
8t+iZ
~
~r::JQ~
O:~
74504
74504
U29
12
NC
~
)-'-='-'------'~";I
'0
74L508
U29
,----------.------"'7103
04
1~~~
U7Q
13
'~
__
-->--'-====---------'-'I'
'2
U109
~(]SH~'2~.
~7)--"-FDCO"""'A"'CK"".'---<i>---'0";'15
06

Table of Contents

Other manuals for Tandy 1000

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