• Mainframe computer software (3 C, 18 P)

B

• Burroughs mainframe computers (12 P)

C

• Control Data Corporation mainframe computers (1 C, 8 P)

D

• DEC mainframe computers (5 P)

G

• General Electric mainframe computers (9 P)

H

• Honeywell mainframe computers (9 P)

I

• IBM mainframe computers (7 C, 2 P)
• ICL mainframe computers (63 P)

U

• UNIVAC mainframe computers (19 P)

Σ

• Mainframe computer stubs (39 P)

• Mainframe computer
• Master the Mainframe Contest

A

• Advanced Comprehensive Operating System
• ASG Technologies

B

• BESM
• BS2000
• Bull Gamma 60

C

• Channel I/O
• CII 10070
• CII Iris 50
• CII Iris 80

D

• DBC/1012

E

• Elbrus (computer)
• Electrologica X8
• ESCON

F

• Felix C
• Ferranti Orion
• Ferranti-Packard 6000
• Flex machine
• Front-end processor

H

• HITAC S-3000

I

• IBM and the Seven Dwarfs
• Irma board

M

• Minsk family of computers

N

• NCR 315
• NCR Century 100

P

• Phoenix (computer)

R

• RCA Spectra 70
• Reality Check (American TV series)

S

• SDS 940
• SDS Sigma series
• Siris 8
• Strela computer

T

• Telecommunication control unit
• TENET 210
• Ternac
• TN3270 Plus

X

• Xerox 500 series
• Xerox Sigma 9