IBM System/38: Revision history

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curprev 03:4803:48, 31 January 2023‎ KhaledHammouda talk contribs‎ m 24,517 bytes −14‎ Added predecessor undo Tag: Visual edit

curprev 07:1607:16, 29 January 2023‎ OAbot talk contribs‎ m 24,531 bytes +20‎ Open access bot: doi added to citation with #oabot. undo

curprev 19:1719:17, 25 October 2022‎ Citation bot talk contribs‎ 24,511 bytes −92‎ Removed proxy/dead URL that duplicated identifier. Removed access-date with no URL. | Use this bot. Report bugs. | Suggested by AManWithNoPlan | #UCB_toolbar undo

curprev 08:0808:08, 28 April 2022‎ Comp.arch talk contribs‎ m 24,603 bytes +68‎ No edit summary undo Tag: 2017 wikitext editor

curprev 08:0708:07, 16 January 2022‎ Citation bot talk contribs‎ 24,535 bytes +58‎ Add: year, date. | Use this bot. Report bugs. | Suggested by AManWithNoPlan | #UCB_webform 1075/2826 undo

curprev 20:3120:31, 4 January 2022‎ Guy Harris talk contribs‎ 24,477 bytes +27‎ Go with the Bitsavers version of the physical planning manual. Clean up the parameters. undo

curprev 02:4902:49, 24 November 2021‎ Spideog talk contribs‎ 23,923 bytes +7‎ Year range undo Tags: Mobile edit Mobile web edit Advanced mobile edit

curprev 19:3619:36, 30 October 2021‎ Vt320 talk contribs‎ 23,916 bytes 0‎ cleanup undo

curprev 16:3716:37, 13 October 2021‎ ThisIsNotABetter talk contribs‎ 23,916 bytes +279‎ No edit summary undo Tag: Visual edit: Switched

curprev 20:3620:36, 4 September 2021‎ Guy Harris talk contribs‎ 23,637 bytes −17‎ Undid revision 1042365917 by KhaledHammouda (talk) - System/3 is already entioned, and linked, in the first sentence of the same paragraph. undo Tag: Undo
curprev 16:1816:18, 4 September 2021‎ KhaledHammouda talk contribs‎ 23,654 bytes +17‎ No edit summary undo Tags: Reverted Visual edit
curprev 07:1107:11, 4 September 2021‎ Guy Harris talk contribs‎ 23,637 bytes −31‎ →‎Microcode: According to the VMC Logic Overview and Component Descriptions manual, exceptions and page faults are handled by the VMC (i.e., by low-level OS code), not by the HMC (i.e., by traditional microcode) Don't be confused by the Perform Paging Request instruction; the IMPI manual indicates that it's just a specialized system call trap instruction that traps to the VMC. undo
curprev 00:4500:45, 4 September 2021‎ Guy Harris talk contribs‎ 23,668 bytes +342‎ →‎Microcode: Here's another references - the logic overview of the VMC. undo

curprev 19:5719:57, 3 September 2021‎ Guy Harris talk contribs‎ 23,326 bytes +501‎ →‎Microcode: Either Mr. McKenzie wasn't looking very carefully at IMPI when he called it 370-like or the AS/400 had a significantly-different IMPI with 32-bit integer registers and 32-bit RR/RS/RI instructions; the S/38 version had only 16-bit integer registers paired with 32-bit segment registers, and a lot of binary and floating memory-memory arithmetic instructions. Yes, it was called the "internal microprogramming (IMP) instruction set". undo

curprev 22:3522:35, 8 August 2021‎ Vt320 talk contribs‎ m 22,825 bytes +4‎ →‎Microcode: missing word undo

curprev 18:4618:46, 3 August 2021‎ AManWithNoPlan talk contribs‎ m 22,821 bytes −20‎ remove redirect undo

curprev 22:2722:27, 17 June 2021‎ Buidhe talk contribs‎ m 21,745 bytes +13‎ (GR) File renamed: File:Mainframe (145899278).jpg → File:IBM System38 internals (145899278).jpg Criterion 2 (meaningless or ambiguous name) undo

curprev 18:2518:25, 10 June 2021‎ ThisIsNotABetter talk contribs‎ 21,732 bytes +116‎ No edit summary undo Tag: Visual edit

curprev 00:5600:56, 4 May 2021‎ Citation bot talk contribs‎ 21,616 bytes +50‎ Alter: url, title. URLs might have been anonymized. Add: s2cid, authors 1-1. Removed parameters. Some additions/deletions were parameter name changes. | Use this bot. Report bugs. | Suggested by AManWithNoPlan | Pages linked from cached User:AManWithNoPlan/sandbox3 | via #UCB_webform_linked 397/1157 undo

curprev 15:3615:36, 1 May 2021‎ Vt320 talk contribs‎ 21,566 bytes −23‎ link directly to the the SSP article undo

curprev 13:4813:48, 27 April 2021‎ ThisIsNotABetter talk contribs‎ 21,589 bytes +25‎ →‎Hardware characteristics undo

curprev 14:0214:02, 26 March 2021‎ Vt320 talk contribs‎ 21,564 bytes −63‎ midrange server will do undo
curprev 14:0114:01, 26 March 2021‎ Vt320 talk contribs‎ 21,627 bytes +14‎ →‎History undo
curprev 13:5413:54, 26 March 2021‎ Vt320 talk contribs‎ 21,613 bytes −237‎ →‎History: This article does not need the history of the AS/400, except where it is directly relevant to the S/38 undo
curprev 13:5013:50, 26 March 2021‎ Vt320 talk contribs‎ m 21,850 bytes +9‎ →‎Processing unit undo

curprev 22:5422:54, 21 March 2021‎ Vt320 talk contribs‎ 21,452 bytes −32‎ →‎History: on a re-read of one of the sources, it seems that Rochester may have come up with many of the FS architecture ideas independently. undo
curprev 22:1322:13, 21 March 2021‎ Vt320 talk contribs‎ 21,484 bytes +983‎ →‎History: comment about the influence of the FS project on the System/38 and add references. The link with the FS probably warrants further elaboration in future undo
curprev 21:0721:07, 21 March 2021‎ Guy Harris talk contribs‎ 20,501 bytes +42‎ →‎Microcode: Note that the HMC was what, absent the legal hackery, would have been deemed the machine's microcode. undo

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