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Anchor text: Intel 8080 Microcomputer Systems User's Manual (September 1975, 262 pages)

Wikipedia: Intel 8080

Wikipedia: BC-610

Anchor text: ''Debugging Strategies And Considerations For 8089 Systems''

Wikipedia: Intel 8089

Anchor text: ''Designing 8086, 8088, 8089 Multiprocessing System With The 8289 Bus Arbiter''

Wikipedia: Intel 8089

Anchor text: Reverse engineered source

Wikipedia: ISIS (operating system)

Anchor text: Archived copy

Wikipedia: AN/PRC-113

Anchor text: ''Designing 8086, 8088, 8089 Multiprocessing System With The 8289 Bus Arbiter''

Wikipedia: Intel 8289