IBM System/370 Model 155: Difference between revisions

Revision as of 10:36, 16 July 2023

Revision as of 20:04, 18 July 2023

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[[File:IBM_370-145_IBM System370 model 145 (I198005) (2).jpg|thumb|3 months after the announcement of <br>the 370/155 (and 165)<br> came the Model 145.<ref>{{cite web|url=https://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP3145.html|title=System/370 Model 145|website=IBM Archives|date=23 January 2003 |publisher=IBM}}</ref><br>Unlike the 155 (or 165), <br>the 145's lack of virtual memory could be rectified with a simple [[microcode]] update from a floppy disk, vs the others needing a hardware upgrade.]]

[[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]]