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PA-RISC family - Wikipedia, the free encyclopedia As the name implies, it is an implementation using a RISC design, where the PA stands for Precision Architecture. PA is considered by some to stand for Palo Alto, the location of HP's headquarters. They were first used in a new series of HP3000 machines in the late 1980s--the 930 and 950, commonly known at the time as Spectrum systems, the name given to them in the development labs. en.wikipedia.org /wiki/PA-RISC_family   (738 words)

Pa - Wikipedia, the free encyclopedia Pa, Maori word meaning a fortified village or redoubt, described at length in Maori Wars PA is the IATA alpha code designator for Pan American World Airways (Pan Am) PA is also the short form for the PA-RISC family processor architecture from Hewlett-Packard en.wikipedia.org /wiki/Pa   (139 words)

Hewlett-Packard Journal: Functional design of the HP PA 7300LC processor - Pa-Risc 7300lc - includes related article on ... The design objectives for the PA 7300LC processor were to provide the best possible performance while choosing the proper set of features that would enable a system cost appropriate for entry-level and high-volume workstation products. The PA 7300LC CPU core is derived from the PA 7100LC CPU design.[1,2] Although the PA 7300LC has many similarities with its predecessor, there are some key differences in the design that allowed us to meet our performance objectives. The PA 7300LC integer units implement a set of instructions first introduced on the PA 7100LC that accelerate multimedia applications.[1,2,6] These instructions allow each integer unit to perform two 16-bit adds, subtracts, averages, or shift-and-adds each cycle. www.findarticles.com /p/articles/mi_m0HPJ/is_n3_v48/ai_19540809   (1411 words)

The Utah PA-RISC Code Snapshot The PA version was originally written by Mt. Xinu and heavily modified at Utah since. PA specific code is confined to some include files and routines in the C and math libraries. As long as the PA machines continue to be our main computing resource we will likely develop on and support them, but unless the funding situation changes, the PA will likely be dropped at some point. www.cs.utah.edu /projects/flux/mach4-parisc/html/pamach.html   (1955 words)

Pa on Encyclopedia.com   (Site not responding. Last check: 2007-10-21) PA education programs: a growing number of institutions offer excellent education programs for those interested in the physician assistant profession. PA Consulting Group demonstrates its IT superiority at the 2004 Management Consultancies Association (MCA) Awards, winning seven awards including the Overall Winner; PA triumphs for the 7th year in a row, picking up... DOWNINGTON, PA-- Members of the Minquas Fire Co., of Downkington, Pa, from left, Justin Kowalczk, John Kobell, and Jim Warner, ride in a bucketloader to avoid the 36-inch deep water in Downington, Mon www.encyclopedia.com /html/P/Pa.asp   (605 words)

Risc, 6000 risc system, ibm risc 6000   (Site not responding. Last check: 2007-10-21) RISC OS was a rapid development of Arthur 1.2 after the failure of the ARX project. RISC was also heralded a more quantitative approach to computer architecture,... Features which are generally found in RISC designs are uniform instruction encoding (eg the op-code is always in the same bit positions in each instruction... watchcomputer.com /risc.html   (1107 words)

LostCircuits, CPU Guide With the new PA-8800 RISC processor, HP is going a different route, that is, instead of using physically separate processors, the new concept involves placing two entire PA-8700 CPU cores in the same package. A similar approach was taken by IBM with their Power4 processor that also uses a dual core on a single die. Major differences between the IBM Power4 and the HP PA-8800 RISC processor are in the cache architecture. www.lostcircuits.com /cpu/hp_pa8800   (745 words)

New Intel/HP Products Spell Doom for RISC The RISC chip was developed at IBM (Quote, Chart) in the early '70s and needed fewer operating instructions (hence the name), was faster than CISC processors (at least when executing simple instructions), and was even cheaper to manufacture. Other RISC chips include Motorola (Quote, Chart) PowerPC chip, used in Apple Computer's (Quote, Chart) PowerPC Macs, DEC's Alpha (now owned by HP) and Sun Microsystems' (Quote, Chart) SPARC. Its proponents argue that RISC machines are both cheaper and faster, and are therefore the machines of the future. siliconvalley.internet.com /news/article.php/1585561   (733 words)

On Itanium, PA-RISC, Superdome and Server trends - Inperso - Network Magazine India The RISC architecture has been in existence for more than 15 years now and we believe that the next generation of computing will require processor architecture with capabilities and performances surpassing those of RISC chips. Hence there is a need for a different architecture, which is what Itanium is based on, and this new architecture is called EPIC (Explicitly Parallel Instruction Computing). We also understand that there will be users who would like to migrate from a RISC environment to the Itanium processor family, and HP will provide the smoothest migration path for these customers. www.networkmagazineindia.com /200109/inperso2.htm   (1118 words)

Breaking News--HP Delivers the Last of the PA-RISC Processors And today, the last of its home-grown RISC chips, the PA-RISC 8900, was launched. In 1996, HP moved to the 64-bit PA-8000 designs, and took many of the ideas it developed in the course of creating these processors to help Intel create the Itanium processor and its EPIC instruction set. The PA-8900 is not a radical departure from the current "Mako" PA-8800 processor, which was announced in February 2004 as HP's first dual-core RISC processor. www.itjungle.com /breaking/bn053105-story01.html   (1015 words)

HP releases PA-RISC 8800   (Site not responding. Last check: 2007-10-21) The processors are supported by the HP ZXT chipset, which the firm claims support decreased memory latency and increased memory and bandwidth. The introduction of the PA RISC chip poses some questions for the INQUIRER. But we've a feeling there's still a hard core of PA-RISC supporters within HP which maybe isn't resisting things openly, but still think the beloved PA RISC architecture is a better chip than the Itanium. www.theinquirer.net /?article=14095   (222 words)

BYTE.com The commercial data processing applications that HP targets with its PA chips use large data sets and require correspondingly large data caches (up to 4 MB on the PA-8000) to achie ve good throughput. There already seems to be s ome convergence between Intel's P6 and HP's PA-8000, particularly in the area of the out-of-order execution hardware, and it becomes less difficult to imagine a hybrid between the two architectures. This is the exact reverse of the trend toward VLIW (very long instruction word)--which relies heavily on smart compilers--that many market watchers predicted when the companies first announced their partnership. www.byte.com /art/9507/sec11/art1.htm   (1710 words)

OpenPA: PA-RISC Processors The original addressing was 48-bit wide, it was later on expanded to 64-bit (with the introduction of the PA-8000 line). Compared to other RISC architectures from that time, the original PA-RISC design was an unspectacular one; it had typically fewer features than those but remained always at competitive speeds, especially in FP areas. This was the first PA 1.1 CPU implementation and saw its first uses in the first true PA-RISC workstations and later in some of the Nova servers. www.openpa.net /cpu.html   (3045 words)

PARISC-LINUX: FAQ Systems running the CPU clock speed slower than 160Mhz are PA 1.x and faster than 180Mhz are PA 2.0. Systems between 160Mhz and 180Mhz are either PA 1.1 (PCX-L2, eg C160L) or PA 2.0 (PCX-U, eg C160). For those who do want to test 64-bit kernels on PA 2.0 machines with 32-bit firmware, recent 2.6 64-bit kernels will auto-detect the firmware type and switch to the correct `mode' (wide or narrow). www.parisc-linux.org /faq   (2287 words)

Hewlett-Packard Journal: New optimizations for PA-RISC compilers - Hewlett-Packard Co.'s Precision Architecture-Reduced ... Hewlett-Packard's involvement in reduced instruction set computers (RISC) began in the early 1980s when a group was formed to develop a computer architecture powerful and versatile enough to excel in all of Hewlett-Packard's markets including commercial, engineering, scientific, and manufacturing. The intent was to bring together different perspectives, so that the team could deal effectively with design trade-offs that cross the traditional boundaries between disciplines. In the late 1980s, there were a number of groups that were looking for ways to make Hewlett-Packard more successful in the highly competitive workstation market. www.findarticles.com /p/articles/mi_m0HPJ/is_n3_v43/ai_12226132   (1397 words)

PA-RISC Architecture   (Site not responding. Last check: 2007-10-21) Hewlett-Packard was the first computer company bold enough to replace their entire CISC machine families with RISC machines and migrate their users to the new, faster architecture. When HP attempted this it was revolutionary: now RISC is the conventional design for new high-speed chips. A good way to learn about PA-RISC is to read the excellent book Beyond RISC. www.robelle.com /library/smugbook/pa-risc.html   (78 words)

Installer Debian Linux 3.0 sur PA-RISC - Configuration nécessaire   (Site not responding. Last check: 2007-10-21) Cependant, comme il n'a pas encore été soumis à la « vraie vie » (ni testé par d'autres utilisateurs) comme l'ont été d'autres architectures, vous pourriez rencontrer quelques bogues. Ceci peut être gênant, mais ne devrait pas empêcher l'installation, puisque le noyau standard, non SMP, devrait démarrer sur les systèmes SMP (le noyau n'utilisera que le premier CPU). En fait, tout installer n'a même pas de sens, puisque certains paquets entrent en conflit avec d'autres. www.op2.dk /debianmirror/dists/stable/main/disks-hppa/current/doc/fr/ch-hardware-req.fr.html   (1200 words)

ESM - HP making PA-RISC processor with copper technology   (Site not responding. Last check: 2007-10-21) LAS VEGAS — Hewlett-Packard Co. has revealed details of its 64-bit PA-8700 processor, which is expected to ship in servers and workstations in the first half of 2001. The RISC processor is designed to operate at and above 800 MHz. HP made the announcement here at the InterWorks 2000 technical conference. www.my-esm.com /printableArticle.jhtml?articleID=10812051   (258 words)

HP Press Release - HP Continues Leadership With New, Highest-Performance PA-RISC Microprocessor Aberdeen's research showcased HP as owning 52 percent of the commercial RISC/UNIX system market. Demand for RISC-based computers has grown steadily since the first commercially available RISC systems were shipped in the mid-1980s. Currently, PA-RISC technology spans HP systems, ranging from low-end workstations to large-scale, 14-way symmetric multiprocessing systems with mainframe-class performance to enterprise parallel servers, scaleable to 224 processors. bwrc.eecs.berkeley.edu /CIC/announce/1997/pa8500.announce.html   (796 words)

Hewlett-Packard PA-RISC 8800   (Site not responding. Last check: 2007-10-21) The Address Reorder Buffer sets the priority for the loads and tries to load from the alternate halves every cycle. Like all advanced RISC processors the PA-8700(+) has out-of-order execution, the sequence of instructions being determined by the instruction reorder buffer (IRB) which contains an ALU buffer that drives the computational functional units and a memory buffer that controls the load/store units. When speculative branches have been mis-predicted the dependent instructions are retired from the IRB and new candidate instructions replace them. www.top500.org /ORSC/2004/pa-risc.html   (822 words)

HP pushes parity for Itanium, PA-RISC servers | InfoWorld | News | 2004-08-16 | By Robert McMillan, IDG News Service Though HP says that it is pleased with the rate its customers are moving to Integrity, this migration has been hampered by a lack of feature parity between the two platforms, analysts say. "Getting to a kind of unification or parity between the historical PA platforms and the Integrity Itanium platforms is very important to them," said Jonathan Eunice, an analyst with Illuminata Inc., based in Nashua, New Hampshire. Once expected to ship by the end of 2004, HP-UX 11i v3 has now been delayed until 2005, and with Monday's announcement, the company hopes to reverse any slowdown in Integrity adoption that this delay may have precipitated, said Eunice. www.infoworld.com /article/04/08/16/HNhpparity_1.html   (1548 words)

PA-RISC Encyclopedia Article, Definition, History, Biography   (Site not responding. Last check: 2007-10-21) Check out its selection of hardware and software for UNIX-based systems. Looking For pa risc - Find pa risc and more at Lycos Search. Find pa risc - Your relevant result is a click away! encyclopedia.localcolorart.com /encyclopedia/PA-RISC   (890 words)

PARISC-LINUX: Documentation Summary of PA-RISC architecture and implementations up to PA-8600 and features of the PA 8700 implementation. The PA 7300LC Microprocessor: A Highly Integrated System on a Chip. PA8500: A 500 MHz 64 bit RISC CPU with 1.5Mbyte on chip Cache parisc-linux.org /documentation   (292 words)

HP Press Release - HP Announces World's Most Powerful Microprocessor   (Site not responding. Last check: 2007-10-21) PA-RISC is clearly the computer industry's leading RISC architecture." Demand for RISC-based computers has grown quickly since the first commercially available RISC products were shipped in the mid-1980s. According to the January 1995 issue of the newsletter "Inside the New Computer Industry," total RISC-systems revenue for 1994 was $29.3 billion (U.S.), with PA-RISC achieving the leadership position with 32.7 percent market share. www.cpushack.net /CIC/announce/1995/pa8000.html   (1009 words)

Linuxbroker - PA-RISC-Linux-Boot-HOWTO.html   (Site not responding. Last check: 2007-10-21) is mainly a program that enables a PA box to boot a kernel present on its own hard disk drive. We assume that you've done everything outlined above, your development PC is on the same subnet than your PA-RISC machine, you've got a bootable PA/Linux kernel lifimage on your boot server, and you're willing to give it a try. If everything is ready, as well as you, the following procedure will introduce you to the joy of network booting your PA box into Linux. howtos.linuxbroker.com /howtoreader.php?file=PA-RISC-Linux-Boot-HOWTO.html   (8168 words)

HP Press UK : Press releases : 2002 Archive : Infrastructure, Servers and Networking : HP Announces Powerful Upgrades ... The entry-level rp5470 with the PA-8700+ set a world record for 4-way RISC servers for the SPECweb99_SSL benchmark,(7) outperforming the Sun v480 by a factor of two and beating the IBM p630 by a significant margin. In addition, an HP AlphaServer ES45 system running Sybase ASE 12.5 software established a new record for four-processor RISC systems in the industry-standard TPC-C commercial benchmark, achieving 56,375 tpm/C (transactions per minute). The AlphaServer system also posted a breakthrough RISC-system price/performance figure of $9.39/tpmC, more than 39 percent lower than the previous price/performance record.(9) This result furthers HP’s dominance in the 4-way RISC computing space, in which HP’s ES45 and rp5470 servers are the two fastest servers as measured by the TPC-C Benchmark. h41131.www4.hp.com /uk/en/pr/UKeng240420031831280.html   (1732 words)

Glossary   (Site not responding. Last check: 2007-10-21) This a command line utility stored in the boot ROM of the PA box, which is used to configure the computer during early boot sequence. Machine state is saved here for HPMC, LPMC, and TOC's. See PDC_PIM in "PDC Procedures" chapter of PA I/O ACD. sunsite.utk.edu /LDP/HOWTO/PA-RISC-Linux-Boot-HOWTO/gloss.html   (394 words)

The HP PA-8000 RISC CPU   (Site not responding. Last check: 2007-10-21) The PA-8000 RISC CPU is the first implementation of a new generation of microprocessors from Hewlett-Packard Company. "The HP PA-8000 RISC CPU," IEEE Micro, vol. 17,  no. 2,  pp. Usage of this product signifies your acceptance of the Terms of Use. csdl2.computer.org /persagen/DLAbsToc.jsp?resourcePath=/dl/mags/mi/&toc=comp/mags/mi/1997/02/m2toc.xml&DOI=10.1109/40.592310   (206 words)

IT Manager's Journal | HP readies final updates to NonStop, PA-RISC   (Site not responding. Last check: 2007-10-21) NonStop will get its first Intel Itanium processor, 30 years after it began life as a Tandem product. Meanwhile, the HP-9000 series will get its final RISC chip, the PA-8900. That also will become an Itanium product when its next refresh cycle arrives later this decade, although it will get a faster chipset and a Unix upgrade before then. eyeonit.itmanagersjournal.com /eyeonit/05/05/25/1658252.shtml?tid=90&tid=105&tid=11   (146 words)

Electronic News: HP spins 100MHz 7100LC to expand multimedia push. (PA-7100LC RISC processor and three PA-7100LC-based ...   (Site not responding. Last check: 2007-10-21) Electronic News: HP spins 100MHz 7100LC to expand multimedia push. HP spins 100MHz 7100LC to expand multimedia push. (PA-7100LC RISC processor and three PA-7100LC-based workstations: the 9000 715/64, 9000 715/80 and 9000 715/100) (Product Announcement) www.highbeam.com /library/doc0.asp?DOCID=1P1:28607498&refid=holomed_1   (215 words)

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