Prefixed Save Area

Prefixed Save Area

Prefixed Save Area is a common area of virtual storage from address zero through 8191 in every address space which is often referred to as "Low Core". There is one unique PSA for every processor installed in a z/OS mainframe system.

The PSA maps architecturally fixed hardware and software storage locations for the processor. Because there is a unique PSA for each processor, from the view of a program running on z/OS, the contents of the PSA can change any time the program is dispatched on a different processor. This feature is unique to the PSA area and is accomplished through a unique DAT manipulation technique called prefixing.


Wikimedia Foundation. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • HEBREW GRAMMAR — The following entry is divided into two sections: an Introduction for the non specialist and (II) a detailed survey. [i] HEBREW GRAMMAR: AN INTRODUCTION There are four main phases in the history of the Hebrew language: the biblical or classical,… …   Encyclopedia of Judaism

  • china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …   Universalium

  • China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast …   Universalium

  • Wikipedia:Featured article candidates — Here, we determine which articles are to be featured articles (FAs). FAs exemplify Wikipedia s very best work and satisfy the FA criteria. All editors are welcome to review nominations; please see the review FAQ. Before nominating an article,… …   Wikipedia

  • Toll-free telephone number — A toll free, Freecall, Freephone, or 800 number is a special telephone number, in that the called party is charged the cost of the calls by the telephone carrier, instead of the calling party. The cost of the call to the called party is usually… …   Wikipedia

  • Romance languages — romance1 (def. 8). [1770 80] * * * Group of related languages derived from Latin, with nearly 920 million native speakers. The major Romance languages French, Spanish, Portuguese, Italian, and Romanian are national languages. French is probably… …   Universalium

  • CP/M — A screenshot of CP/M 86. Company / developer Digital Research, Inc. / Gary Kildall Programmed in PL/M Working state Hi …   Wikipedia

  • California State Route 241 — Infobox road state=CA type=SR route=241 alternate name=Foothill Toll Road, length mi=23 length round=3 length ref= established= 1993 direction a=South terminus a=Oso Parkway in Rancho Santa Margarita junction=jct|state=CA|SR|133 in Irvine… …   Wikipedia

  • Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …   Wikipedia

  • MBASIC — is the Microsoft BASIC implementation of BASIC for the CP/M operating system. MBASIC is a descendant of the original Altair BASIC interpreters that were among Microsoft s first products. MBASIC was one of the two versions of BASIC bundled with… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”