Revision as of 20:24, 17 February 2023 edit Guy Harris (talk \| contribs) Extended confirmed users 80,059 edits →IBM 2560 Multi-Function Card Machine: Use {{cite book}} for an IBM manual. Fix title. ← Previous edit		Revision as of 20:31, 17 February 2023 edit undo Guy Harris (talk \| contribs) Extended confirmed users 80,059 edits →IBM 2560 Multi-Function Card Machine: A22-6810 is the IBM System/360 System Summary; "Model 20" would be a section. Next edit →
Line 98: The 2560 has two hoppers into which punch cards can be placed. The cards in the second hopper can contain punched cards to be read or blank cards to be punched. Two models were offered: * Model A1: five card stackers, and an optional printing/interpreter, with two, four or six print heads.<ref name=SystemSummary.360_20>{{cite book \|title=~~System Summary:~~ IBM System/360 System Summary \|at=Model 20 (\|id=A22-6810) \|publisher=[[IBM]]}}</ref> * Model A2: four card stackers.

IBM System/360 Model 20: Difference between revisions