| Atari 520 ST  SPECIFICATIONS
| Type: | 16/32-bit home computer |  
| CPU: | Motorola MC68000 @ 8 MHz |  
| Operating system: | TOS (On disk) & GEM |  
| Memory: | ROM: 32 KB RAM: 512 KB
 |  
| Sound: | 3 voices + 1 noise channel, 8 octaves (Yamaha YM-2149) |  
| Graphics: | 320*200 pixels, 16 colors 640*200 pixels, 4 colors
 640*400 pixels, monochrome
 40*25 text
 80*25 text
 |  
| Storage: | External 3.5" floppy, 360 KB SSDD Optional hard drive
 |  
| Input: | Integrated keyboard Mouse
 |  
| I/O ports: | Mouse, joystick, midi in/out, cartridge slot, floppy, Modem, printer, video/RGB out
 |  
| Voltage: | Mains |  
| Power consumption: |  |  
| Dimensions (W*H*D): | ? mm (?") |  
| Weight: | ? Kg (? lbs) |  
| Manufactured: | Taiwan, 1985-198x (Discontinued) |  
| Other: |  |  
| Related documents: |  |  
| Modifications: |  |  
| Notable "ham" software: | ST-Wefax (With a Kantronics KPC or KAM) - By GM4JJJ (SK) |  |