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Image Credit:
Apple Inc.
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Introduced: 1977
Terminated: 1980 |
Logic Board
Processor:
6502
Processor Speed:
1 MHz
PMMU:
none
FPU:
none
Bus Speed:
1 MHz
Data Path:
8-bit
ROM Size:
12K (Monitor + Integer Basic + "sweet 16" mini-assembler)
Expansion Slots:
8 Apple II Proprietary Slots
Battery:
none
Image Credit: Apple II Reference Manual,
Copyright 1979, Apple Inc.
(Click) System Board
(Apple II Reference Manual,
Copyright 1979, Apple Inc.)
Memory
Min - Max RAM:
4K - 48K
RAM Sizes:
4K, 8K, 12K,16K, 20K, 24K, 32K, 36K, 48K
Onboard RAM:
4K - 48K
Note:
- RAM can be installed using 4K chips or
16K chips
Ports
I/O Ports:
- Video out (composite), 8 expansion slots,
Tape recorder, Paddles
Video
Display Resolution:
- 40 x 40-48 (16 colors), 280 x 192 (4 and later 6 colors)
- 40 columns by 24 rows
- Composite monitor or RF Modulator to TV supported.
Storage
External:
- Audio Cassette Tape or 5.25-inch floppy
drives (introduced after the machine went into production)
Internal:
Operating System
Primary OS:
Apple DOS
Languages in ROM:
Integer BASIC
Addressing Modes:
8-bit
Image Credit:
Sakata
Miscellaneous
Form Factor:
Apple II
Dimensions (Inches):
4.25 H x 15.25 W x 17.75 D
Average Weight (lbs):
11.5
Original Price:
A2S0016 (16K RAM): $1195 US
- A2S0032 (32K RAM): $1295 US
- A2S0048 (48K RAM): $1395 US
Image Credit:
Northwest Instrument Systems, Inc
Comments
The Apple II was Apple's first complete home computer sold to
the general public. It was truly a computer for the "rest of us".
It was based on Woz's Apple I motherboard, but came complete
in its own case with its own power supply. In order to avoid FCC
regulations involving radio frequencies, the Apple II produced a
composite signal that could be converted to UHF/VHF to hook to
a TV through a third party adapter. This adapter was not available
from Apple and not part of the motherboard's hard-wired architecture.
This allowed Apple to produce a powerful machine without having to
cripple the disk drives or any other peripheral due to the restrictive
rules governing radio signals, which hampered the designs of many of
its competitors including Tandy, Commodore, and Atari.
Additional Apple II Information:
Apple II Print Ads and TV Commercials
DOS 3.3 and ProDOS Guide
Free Programs for the Apple II
Vectronic's Apple II Timeline
Apple Brings Computers to the Masses
Vectronic's Apple II Section
(Click) Additional Apple II Images:
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