Revision as of 08:21, 5 November 2012 edit Kubanczyk (talk \| contribs) Extended confirmed users, Pending changes reviewers 9,919 edits floppy ← Previous edit		Revision as of 08:24, 5 November 2012 edit undo Kubanczyk (talk \| contribs) Extended confirmed users, Pending changes reviewers 9,919 edits →Mainframe controllers: terminals Next edit →
Line 35: In most mainframe systems a device-independent [[Channel I/O\|''channel'']] usually attaches to the CPU and a controller or control unit implements device-dependent logic for attaching specific devices to the channel. Some devices have integrated control units. * [[IBM 2821 Control Unit]], used to attach card readers, punches and line printers to IBM System/360 and IBM System/370 computers * [[IBM 270x]] and [[IBM 37xx]], ~~telecommunications~~used ~~control~~for ~~units~~telecommunications * [[IBM_3271#Controllers\|IBM 3271, 3272, 3271, and 3174]], ~~3270~~used ~~control~~to ~~units~~attach terminals (display devices) ==See also==

Controller (computing): Difference between revisions