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|
The Atari '520ST'
(and variations)
|
Announced |
1985 |
|
Released |
1985 |
|
CPUs |
M68000 CPU
running at 8 MHz |
|
Memory |
512 kBytes of RAM
expandable up to 4 MB of RAM |
|
OS |
TOS 1.00 in ROM,
upgradeable to TOS 1.04
In early versions stored on floppy disk!
GUI: GEM (Graphical Environment Manager) |
|
Graphics |
Color pallette:
512 colors, 16 colors simultaneously
With 3rd party software: all 512 colors simultaneously |
|
Sound |
Yamaha 3-voice
FM, 8 bit mono |
|
I/O |
Cartridge port
Joystick port
Mouse / secondary joystick port
RS232C serial port (19,2 kbps)
Parallel port
MIDI in, MIDI out / through
External Floppy port
DMA / ACSI
Monitor port (ST mono, ST color)
RF modulator (only STm and STfm) |
|
Storage |
external 360
kBytes 3,5" FDD
external 720 kBytes 3,5" FDD
external HDD |
|
Keyboard |
94 keys (84 + 10
function keys F1...F10) |
|
|
Variations |
|
520ST+ |
Same as 520ST,
but with 1MB RAM standard |
|
520STm |
512KB
RAM, TOS 1.2 |
|
520STfm |
TOS 1.2, adds a
720KB internal FDD |
|
