Related Clues:

• XT computers
• Many early PCs
• AT and PS/2 computers
• Certain servers
• Some old notebooks
• Many old terminals
• Some old PCs
• ThinkPads, e.g
• Pioneering PCs
• PCs made by Big Blue
• Big Blue PCs
• PCs, originally
• Some classic computers
• Some mainframes
• Some early personal computers