Personal System/2 Hardware Interface Technical Reference

Scope and location

Exact named pinout variant only; not capability or compatibility approval.

Keyboard and Auxiliary Device Controller (Type 1) section, printed p. 15, Figure 11 'Keyboard and Auxiliary Device Connector Information'; Parallel Port (Type 1) section, printed p. 8, Figure 9 'Parallel Port Connector Signal and Pin Assignments'; Serial Port Controller (Types 1 and 2) section, printed p. 23, Figure 21 'Serial Port Connector Signal and Pin Assignments'

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Inspected

2026-10-20

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Recorded AI-assisted source inspection; not independent human approval or hardware testing.

Source scope and unresolved evidence are preserved in the engineering variant.

Source inspection is separate from independent technical approval, rights clearance and hardware testing.