Atari 520 ST
Home computer, 1985, Atari. The 520ST ("Sixteen/Thirty-two") was the first Atari ST, with the GEM graphical interface and built-in MIDI ports.
| Year | 1985 |
|---|---|
| Manufacturer | Atari Corporation (US) |
| Model | 520ST |
| Processor | Motorola 68000 at 8 MHz |
| RAM | 512 KB |
| ROM | 32 KB to 192 KB (operating system) |
| Display | 320 x 200 in 16 colours, 640 x 200 in 4 colours, 640 x 400 monochrome |
| External peripherals | 3.5" floppy disk drive (SS/DD), hard disk |
| Video interface | monochrome or colour monitor |
| Interfaces | RS-232C, Centronics, MIDI, cartridge port |
| Operating system | Atari TOS with GEM; OS-9 also available |
| Dimensions | 470 (W) x 241 (D) x 64 (H) mm |
| Price (1985) | $800 with monochrome monitor, $1,000 with colour monitor |
Documentation
- Atari 520 ST - ACSI port pinouts
- Atari 520 ST - Manual
- Atari 520 ST - Manual
- Atari 520 ST - SF354 floppy drive owner's manual
- Atari 520 ST - SM124 monitor service manual
- Atari 520 ST - User's guide




