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The PA-7300LC The First "System on a Chip" Presented at Microprocessor Forum on 10/16/95 by Tom Meyer The PA-7300LC is a new processor design, which features a high level of integration of system functions. HP's PA-RISC processor family currently features two "streams" of CPU development. Each is optimized to meet the needs of different classes of computer systems. The high-end stream, which includes the PA-7200 and PA-8000 chips, is optimized for very high performance, highly expandable power desktops and servers. Several years ago it was determined that HP could best meet the needs of higher volume, more cost sensitive products by developing a different set of CPUs tuned to the special requirements of these systems. This processor line began with the PA-7100LC, which first began shipping in January of 1994, and continues with the new design described in this paper. We refer to this as our "low end" but it is also a "no compromise" stream, since we consider cost, performance, power, and other design objectives to all be equally high priority. Meeting the design objectives by finding the right balance between these factors is the main challenge in this area of microprocessor design. Design Objectives The design objectives of the PA-7300LC chip are nearly identical to those of its predecessor, which has proven to be a successful volume work-horse processor. Design improvements and a more advanced VLSI technology have allowed the designers to achieve roughly twice the performance of the 100MHz PA-7100LC without compromising cost or any of the other objectives. Like previous PA-RISC chips, the team evaluated the cost of design tradeoffs using a holistic approach which emphasizes total system cost, rather than just trying to design a cheap microprocessor without regard to the rest of the system. In defining the PA-7300LC HP's design team carefully considered the requirements of realistic system applications and tuned the design to meet those needs rather than just optimizing for microprocessor-level benchmarks. As a result, a large part of the design effort focused on minimizing the number of system components, reducing test and diagnostic costs, and getting the right level of functional partitioning. System designers and manufacturing engineers were consulted throughout the design. As you will see, many chip level features have been included to address these objectives. PA-7300LC Overview This design features a superscalar processor core that was highly leveraged from the PA-7100LC core. Enhancements include a large on-chip primary cache, an integrated DRAM and L2 cache controller, and an improved I/O bus controller. The chip uses established technologies including HP's half micron CMOS process and a low-cost ceramic pin-grid array package. The preliminary performance projections you see here assume 1 Mbyte of secondary cache and 60ns fast-page-mode DRAMs, but the chip can be configured with higher performance memory components. We believe that this processor will do very well on memory intensive programs as shown by the SPEC95 and OLTP estimates. This is because of the highly optimized memory hierarchy I will describe in a moment. PA-7300LC Chip Layout The RISC processor core, consisting of the integer units, floating-point unit, and instruction decode logic occupy the right side of the die. The center blocks contain the virtual memory translation lookaside buffer (TLB) and Memory and I/O controller or MIOC. The large, denser-looking blocks are the instruction and data caches. Nearly 8 million of the 9.2 million transistors are contained in these two blocks. As you can see, a large amount of chip real estate is devoted to embedded SRAM for the primary caches. It's been said that future microprocessors will look like large memory chips with a small microprocessor block in the corner. The 7300LC has really headed in that direction with this chip since the cache arrays occupy 40% of the chip area. As a si

Mytech-parts ist ein IT-Systems komponenten Verkäufer. Wir schlagen Ihnen neue oder gebrauchte Produkte vor, die für ihre Qualität ausgewählt sind. Wir arbeiten hart daran, um Ihnen den bestmöglichen Dienst anzubieten, um die erfolgreiche Entwicklung Ihrer digitale Infrastruktur zu unterstützen Mytech-parts is an IT components seller. We propose, at competitive prices, second-hand new or used products strictly selected for their quality. We are working hard to provide you with the best service possible and support you in the successful development of your digital infrastructure. HPE ARUBA 2530-48G-POE+ J9772A 48+4 ports PoE professional gigabit layer 2 manageable switch HP PN: J9772A Hauptfunktionen / Key features (*): The Aruba 2530 Switch Series provides security, reliability, and ease of use for enterprise edge, branch office, and SMB deployments. Fully managed switches deliver Layer 2 capabilities, enhanced access security, traffic prioritization, sFlow, IPv6 host support, and power savings with Energy Efficient Ethernet. - ARM9E at 800 MHz, 128 MB flash, 3 MB dynamcally allocated for packet buffer, 256 MB DDR3 DIMM - 48x 10/100/1000 autosensing RJ-45 ports PoE+ - 4x Gigabit SFP ports (mini-GBIC) - IEEE 802.3ad Link Aggregation Protocol (up to 4 trunks) - VLAN support and tagging (up to 64 vlans) - Traffic prioritization QoS (IEEE 802.1p) - Jumbo packet support - Port mirroring - Easy-to-use Web interface for layer 2 management - Out-of-band management (1 dual-personality RJ-45 or USB micro-B console port) - ClearPass Policy Manager and Airwave Network Management - Virtual stacking capabilities (16 switches) - Power consumption: 40,1W (idle) ~ 476,0W (max) - PoE power delivery: 382,0W (max) - 1U Rack mountable For all features and specifications, please refer to the technical documentation. Technische Dokumentation / Technical documentation: https://h20195.www2.hpe.com/v2/default.aspx?cc=ch&lc=en&oid=5333805 ---------- Zustand: GEBRAUCHT - Vollkommener zustand von funktionieren. - Sehr guter ästhetischer Zustand. - Verkauft mit seinem EU Stromkabel (IEC 60320 C15). - Das Foto stellt den wirklich verkauften Gegenstand vor. Garantie für dieses Produkt: 12 Monate (Austausch oder erstattung) Condition: USED - Perfect working order. - Very good esthetic condition. - Sold with its EU power cord (IEC 60320 C15). - Pictures really presents the sold item. Guarantee for this product: 12 months (Replace or refund) ---------- Kostenlose und Schnelle Spedition in der ganzen Europäische Union (Andere Länder auf Anfrage). Zwischen 3 und 5 Arbeitstagen durchschnittlich geliefertes Gepäckstück. Übergabe des Fotos des Gepäckstückes und der von Internetadresse zu den Betreuungsinformationen. Gepflegte Verpackung Free and fast shipping to all the European Union (other countries on request). Average delivery between 3 and 5 working days. Transmission of the photo of the parcel and the link to tracking informations. Clean and safe packaging. ---------- Der Verkauf geht mit einer Rechnung. Entsprechend der europäischen Gesetzgebung auf den Verkäufen von Handelswaren zwischen Staaten Mitglied, das MwSt. (20%) ist für Für Export außer EU und die Unternehmen außerhalb Frankreichs mit Nummer gültigen MwSt. zurückgezahlt. Stellen Sie eine Frage über den Artikel vor dem Kauf, um uns zu erlauben, auf Sie mit dem Preis außer MwSt zu antworten oder kontaktieren mit uns nach dem Kauf. An invoice is supplied with the sale. According to the European legislation on the sales of goods between member states, the VAT (20%) is paid off for export outside EU and for companies outside France with valid VAT number. You can give your VAT ID by asking a question about the item before the purchase to allow us to answer you with the ex-VAT price or contact us after the purchase. Nettopreis geliefert / Net price delivered:  475,00E TVA récupérable pour les en