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The Atari '400' (codename 'Candy')

Announced November, 1978
Released 1979
CPU MOS 6502, running at 1,79 Mhz (NTSC)
or at 1,77 Mhz (PAL)
Memory 8 kBytes / 16 kBytes RAM
10 kBytes ROM (400 /  800 OS)
Custom LSI chips ANTIC
GTIA (in earlier versions use of the CTIA)
POKEY
PIA
Sound 4 channels: 3,5 octaves each
I/O Cartridge Slot, 8 KBytes address space
4 joystick ports (serial)
Atari Serial I/O (SIO)
RF Interface
Keyboard 61 keys, membrane
Function keys Reset, Option, Select, Start
Storage Tape drive
Disk drive

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