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Atari 400 Service Manual

Atari 400
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Table 1-1. ATARI 400 Computer Console Specifications (continued)
I/O: Serial input/output port for simple connection to
peripherals. Four controller jacks for joystick and paddle
controllers.
Lanquage: ATARI BASIC 8K ROM Program Cartridge is included.
Display: Highest graphics resolution 320x192, 24 lines of 40
characters.
Power: AC step-down transformer. UL approved.
Dimensions: 13.5 x 11.5 x 4.5 inches. 5.75 pounds.
Table 1-2. ATARI 800 Computer Console Specifications
Console: FCC approved, with built-in RF modulator. Connects to
any television set.
CPU : 6502B Microprocessor, 1.78 MHz clock
Color: 16 Colors, each with 8 intensities.
Sound: Four independent sound synthesizers for musical tones
or game sounds, four octaves. ; ; Variable volume.
Internal speaker (in addition ; ; to audio th rough
televis ion se t). ; ;
Memory : 8 or 16K bytes of Random Acces s Memory (RAM) is
included. The ATARI 800 Console may be expanded to 48K
RAM with user-installed 8K or 16K ATARI Memory
Modules. The 800 Console includes a lOK ROM Operating
System. ROM may be expanded to 26K with user-
installed Program Cartridges.
Keyboard: 57 full-stroke alphanumeric keys plus 4 function keys.
Upper/lower case. Inverse video. Full screen editing.
Four way cursor control with 29 keystroke graphics.
I/O: Serial input/output port for simple connection to
peripherals. Four controller jacks for joystick and
paddle controller and light pen.
Language : ATARI BASIC 8K ROM Program Cartridge included.
Display: Highest graphics resolution 320 x 192. 24 lines x 40
characters. Three text modes.
Power: AC step-down transformer. UL approved
Dimensions: 16 x 12.5 x 4.5 inches. 9.75 pounds.
1-12 System Service Manual

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Atari 400 Specifications

General IconGeneral
ManufacturerAtari
Model400
TypeHome Computer
Release Year1979
CPUMOS Technology 6502
CPU Speed1.79 MHz
ROM10 KB
Operating SystemAtari OS
KeyboardMembrane keyboard
RAM8 KB (expandable to 48 KB)
GraphicsANTIC and GTIA chips
Sound4 channels
DisplayRF output for connection to TV
StorageOptional cassette tape drive or floppy disk drive
PortsCartridge
Display Resolution320x192 (16 colors)

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