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Apple Apple-1 - Page 15

Apple Apple-1
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JUMPER FOR
NO
DMA
NOTE
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74154
MK4096 (orequi
RAM
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A2
NOTE
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DESCRIPTION
RELEASED
FOR
PRODUCTION
IT1ALS and
PATE
E5
NOTES:
(continued
from
sheet
1/3)
7. UNIT, AS
SUPPLIED,
IN-
CLUDES
A 6502
MICRO-
PROCESSOR,
AND
SOLDER
JUMPERS AT
BOTH
POINTS
MARKED
"6502",
AND HAS
OMITTED
ALL
COMPON-
ENTS
SHOWN
WITHIN THE
DOTTED
BOX.
IF
A
6800
IS SUBSTITUTED
FOR THE
6502
IT IS NECESSARY
TO
INSTALL
ALL
COMPON-
ENTS
SHOWN,
AND TO
BREAK
BOTH SOLDER
BRIDGES NOTED
"6502".
8. UNIT IS SUPPLIED
WITH:
Y
Jumpered
to
CSF
Z Jumpered
to CSD
W
Jumpered
to
CS1
and
X Jumpered
to CS0.
R,
S, and T, ARE USER
SELECTABLE
CHIP
SELECTS.
(4K BLOCKS)
9.
KYBD
& DSP ARE INTER-
RUPT OUTPUTS
FROM PIA.
POINTS
LABELED
"IRQ",
"NMI" ARE
INTERRUPT
INPUTS
FROM
MICRO-
PROCESSOR.
FOR NOR-
MAL
OPERATION
NO
JUMPERS ARE
REQUIRED.
10. KEYBOARD
SOCKET, (B4),
PIN
15,
(BIT
8),
SHOULD
BE JUMPERED
TO Vcc
(+
5V), FOR NORMAL
OPERATION
WITH
SUPPLIED
SOFTWARE.
11.
PROMS
ARE
256 x
4,
AND
MAY BE ONE
OF THE
FOLLOWING TYPES:
SIGNETICS
82S129,
HARRIS
H1024,
INTEL/MMI
3601.
12. VOLTAGES
(+12,
-12)
ON
EDGE
CONNECTOR ARE
UNREGULATED,
FILTERED
D.
C. ,
AND
SHOULD NOT
BE
USED
WITHOUT ADDED
REGULATION.
13.
IF DMA REQUIRED, BREAK
JUMPER
SHOWN. USE
74S257
AT POSITIONS
B5, B6, B7,
AND
B8. (AS SUPPLIED)
B
NOTICE TO ALL
PERSONS
RECEIVING
THIS
DRAWING:
This
drawing is only conditionally-
issued,
and
neither
receipt nor
possession
thereof confers
or
transfers any right in, or license
drawing or any
design
or
technical
information
shown
thereon,
nor
any right
to
reproduce this
draw-
ing
oranypart
thereof, except
for
manufacture
by
vendors
of
Apple
Computer,
under
written
license
reproduce
this
document,
or any
part
thereof, nor
to
make
use of
any information
herein contained
is
granted,
except
by
written
a-
greement
with,
or license
by, the
Apple
Computer
Company.
to
use, the subject matter of the by Apple
Computer.
No
right to
8
6
5
T
-REF-
00100
NEXT
ASSY
USED ON
APPLICATION
UNLESS
OTHERWISE
SPECIFIED
DIMENSIONS
ARE
IN INCHES
TOLERANCES
ON:
FRACTIONS-* ['16
.i
=
*.l
ANGLES-
tl°
jv
-
±
,03
SURFACE
FINISH
v"
,ui
=
*
01
DRAVk'N
BY
R.WAYNE
DATE
4-2-76
DESIGN ENGINEER
SWOZNIAK
3-10-76
PROJECT
ENGINEER
S
JOBS
3-10-761
DOCUMENT
CONTROL
APPLE
COMPUTER
COMPANY
SCHEMATIC DIAGRAM
APPLE
-1
PROCESSOR
SECTION
SIZK
DRAWING
NO.
00101
2
m
3

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