- Intel 8088 or compatible processor
 - 256 kB of RAM
 - CGA or better graphics adapter
 - 300 kB of floppy or hard disk space
 - IBM PC compatible BIOS
 
System requirements for ST-DOS
- Intel 8088 or compatible processor
 - 64 kilobytes of RAM for the kernel (userspace programs, including the command processor, need more than that)
 - MDA or better graphics adapter
 - 45 kilobytes of storage space for the kernel - the entire userland needs ~500 kB
 - IBM PC compatible BIOS