RasterCore

Atari 520ST / 1040ST

ID: 520ST
RELEASED 1985
PRICE
DISCONTINUED 1993
UNITS SOLD Total ~2M

I/O PORTS

MIDI In/OutCartridgeACSI (HDD)

System Analysis

Power Without The Price. The 1040ST was the first PC with 1MB RAM for under $1000. Dominated the music industry.

Processor

8 MHz
Motorola 68000

Stock 68k.

Audio Subsystem

3 Voice PSG
YM2149

Square waves.

Memory

DRAM
512 KB / 1 MB

Expandable to 4 MB

Storage

360KB / 720KB
3.5" Floppy

Graphics Architecture

Shifter
Palette: 512 Colors
  • 640x400 (Mono)
  • 320x200 (16c)
Hardware Tricks
  • Overscan

Did You Know?

  • ? The OS (TOS) was originally going to be Microsoft Windows on 68k, but it wasn't ready.
  • ? MIDI ports were standard, which is why Fatboy Slim used one.