PC-based IBM mainframe-compatible systems: Difference between revisions

Revision as of 22:37, 20 September 2023

Revision as of 03:26, 8 December 2023

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===R/390===

R/390 was the designation used for the expansion card used in an IBM RS/6000 server. The original R/390 featured a 67 or 77 MHz [[POWER2]] processor and 32 to 512 MB of RAM, depending on the configuration. The [[Micro Channel architecture|MCA]] P/390 expansion card can be installed in any [[Micro Channel architecture|MCA]] RS/6000 system, while the [[Peripheral Component Interconnect|PCI]] P/390 card can be installed in a number of early [[Peripheral Component Interconnect|PCI]] RS/6000s; all such configurations are referred to as an R/390. R/390 servers need to run AIX version 4 as the host operating system.

[[File:IBM P390 (1).jpg|thumb|IBM PC Server 500. - thisThis server can contain a P/390 board.]]

===P/390===

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===Fujitsu PC-based systems===

Fujitsu offers two based systems that make up the lower end of Fujitsu's S/390-based [[BS2000]] mainframe product line.<ref>[https://globalsp.ts.fujitsu.com/dmsp/docs/wp_s175_s210_business-server.pdf]{{dead link|date=March 2018 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> The SQ100 is the slower configuration, using dual-core 2.93{{nbsp}}GHz [[Xeon#Tigerton|Intel Xeon E7220]] processors, and is capable of up to 200RPF of performance.<ref>[https://globalsp.ts.fujitsu.com/dmsp/docs/ds_sq100-businessserver.pdf]{{dead link|date=March 2018 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> The SQ200 was introduced more recently, uses six-core 2.66{{nbsp}}GHz [[Xeon#6500/7500-series "Beckton"|Xeon X7542]] processors, and has performance of up to 700RPF.<ref>[https://globalsp.ts.fujitsu.com/dmsp/docs/ds-sq200-businessserver-em-en.pdf]{{dead link|date=March 2018 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> All [[Intel 64]]-based BS2000 mainframes can run Linux or Windows in separate partitions. Fujitsu also continues to make custom S/390-native processors and mainframe hardware for the high end of its BS2000 line.<ref>{{cite web|url=http://ts.fujitsu.com/products/bs2000/s_series/s210.html |title=Business Server S210 - Fujitsu Technology Solutions |publisher=Ts.fujitsu.com |date= |accessdate=2012-06-07}}</ref>

== z/Architecture and today==