Revision as of 08:18, 12 May 2024 edit Guy Harris (talk \| contribs) Extended confirmed users 80,041 edits →Virtual memory: The 145 didn't support virtual memory until the 1972 microcode update, even though it had the TLB hardware. Match the equivalent section in IBM System/360 Model 165 in some other ways. ← Previous edit		Revision as of 08:35, 12 May 2024 edit undo Guy Harris (talk \| contribs) Extended confirmed users 80,041 edits Update links. Use the Wayback Machine for those now-dead links. Next edit →
Line 47: [[File:IBM_magnetic_disk_drives_3330+3333.png\|thumb\|The IBM 3330 <br>Direct Access Storage Facility, <br>code-named Merlin, was introduced in June 1970 for use with the IBM System/370. Its removable disk packs could hold 100 MB]] The '''IBM System/370 Model 155''' (and the [[IBM System/370 Model 165\|Model 165]])<ref name=IBMarc.165>{{cite web\|url=https://www~~-03~~.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP3165.html\|title=System/370 Model 165\|website=IBM Archives\|date=23 January 2003 \|publisher=IBM\|archive-url=https://web.archive.org/web/20230729090329/https://www.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP3165.html\|archive-date=2023-07-29\|url-status=dead}}</ref> were jointly announced Jun 30, 1970<ref name=IBMarc.155>{{cite web\|url=https://www~~-03~~.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP3155.html\|title=System/370 Model 155\|website=IBM Archives\|date=23 January 2003 \|publisher=IBM\|archive-url=https://web.archive.org/web/20230516082850/https://www.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP3155.html\|archive-date=2023-05-16\|url-status=dead}}</ref> as "designed for ... the Seventies." That same day [[IBM]] announced the 370/195.<ref group="NB">coming about 14 months after the announcement of the 360/195. Both 195 machines were withdrawn Feb. 9, 1977. see https://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP2195.html and https://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP3195.html</ref> They were the first three models of the [[IBM System/370]] line of computers.

IBM System/370 Model 155: Difference between revisions