OpenPA.netInformation resource on PA-RISC based workstations and servers.Updated and much improved information on 1980s PA-RISC servers- (Found July 2, 2008 ) The page on the early PA-RISC history (mid-1980s to early-1990s) has been completely rewritten and greatly expanded, with more details and many corrections. First PA-RISC computers were introduced as HP 9000800 server systems computers like the 840, 825, 835, 850, 855, 860 and 870 etc. all based on PA-RISC 1.0 processor implementations. Details and specifications of these systems is very sparsely available online; what was found was taken from scannedOCRed articles from old HP...http://www.openpa.net/pa-risc_history.html Early PA-RISC processors: TS-1, NS-1, NS-2 and CMOS26B- (Found July 2, 2008 ) As fallout from the improved early PA-RISC HP 9000800 server article much information on the first PA-RISC processors was compiled and added to the PA-RISC processors page. These CPUs from the mid-1980s implemented the original PA-RISC 1.0 architecture and were fabricated in TTL, NMOS-III and later CMOS. They were all multi-chip implementations with various external support chips for the system and IO interfaces. Information on these CPUs proved to be almost non-existant most was gleaned...http://www.openpa.net/pa-risc_processors.html#early_pa-risc HP Itanium (IA64) servers and workstations added- (Found July 2, 2008 ) Several pages for systems with the HP PA-RISC successor the HPIntel Itanium (IA64) architecture have been added. These include all three Itanium workstations produced by HP, the HP i2000, HP zx2000 and HP zx6000. Also covered are a range of the Integrity rx rack-mount servers: HP rx1600 and rx1620, HP rx2600 and rx2620, HP rx4610, HP rx4640 and HP rx5670. Descriptions of the remaining rx servers will be added soon.http://www.openpa.net/systems/index.html#itanium Much improved Other PA-RISC Operating Systems page- (Found July 2, 2008 ) The page detailing the various research and development projects of operating system ports to the PA-RISC platform has been reworked and filled with much more content. The Mach 4Lites entry (The Utah PA-RISC Code Snapshot) has been extended with content from the original project page at the University if Utah; the HPBSD and Chorus entries have been corrected and reworked; and a new section has been added on various other porting efforts from the early 1990s HP Tut, HP OSF1, Mach 3UX and MK-PA.http://www.openpa.net/other.html HP N4000 (rp7400) servers page- (Found July 2, 2008 ) The rp7400 were the original version of the N4000 line of servers the newer rp7405 and rp7410 servers were also labeled as N4000 and feature a similar set of IO options and expandability in basically the same chassis. However the original N4000, the rp7400 described here, is based around a different system architecture than their sucessors the Stretch chipset, also used in the L1500 and L3000 (rp5430rp5470) servers.http://www.openpa.net/systems/hp_n4000-rp7400.html Cell (Superdome) and Stretch chipset sections added- (Found July 2, 2008 ) The newer PA-RISC based servers, including the rp5430rp5450 (L1500L3000), rp7400 (N4000) and rp7405rp7410 (N4000), are based around rather complicated chipset setups the rp7405rp7410 N4000s are build around the cell-based Core Electronics Complex (CEC) taken from the Superdome supercomputers. The other two smaller systems are centered around a quasi-IA64 system architecture Stretch which describes a chipset build around IA64Merced system buses, to which memory, PA-RISC processors and IO...http://www.openpa.net/chipset.html HP N4000 (rp7405rp7410) servers page- (Found July 2, 2008 ) The rp7405rp7410 N4000 servers are up to 8-way multiprocessing servers and the smallest HP systems which can be partitioned into (two) logical servers (nPartitions). Based upon the same 10U rack-mountable chassis as their rp7400N4000 brethren, the newer rp7405 and rp7410 are build around a completely overhauled system and IO architecture. The Core Electronic Complex is a modified version of the Superdomes cell-based system architecture, limited to two cells. These newer N4000s feature an very.http://www.openpa.net/systems/hp_n4000-rp7405_rp7410.html HP L1500 and L3000 (rp5430rp5470) servers page- (Found July 2, 2008 ) The second incarnation of the L-Class servers are, similar to their direct predecessors L1000 and L2000, 7U rack-mountable servers with either 1-2 or 1-4 processors, 8GB or 16GB RAM and a large set of IO options and expandability. The internal system architecture of the L1500 and L3000 is different however the central parts of the processormemory and IO system were modified versions of the central complex of the Superdome line of computers. Supported processor include 64-bit CPUs from...http://www.openpa.net/systems/hp_l1500_l3000-rp5430_rp5470.html HP 9000 rp3410 and rp3440 servers page- (Found July 2, 2008 ) The rp3400 series are the defacto successors to the rack-mountable A-Class systems they use 2U of space in a 19 rack. The single-CPU rp3410 uses 64-bit PA-8800 Mako processors while the dual-CPU rp3440 can use either PA-8800 or PA-8900 (the last PA-RISC CPU) processors. Both are based around the same system architecture, which is built around HPs zx1 Itanium 2 chipset, making upgrades to IA64 processors possible.http://www.openpa.net/systems/hp-9000_rp3410_rp3440.html HP 9000 rp4410 and rp4440 servers page- (Found July 2, 2008 ) The rp4400 series are the bigger brothers of the rack-mountable rp3400 the dual-processor rp4410 and quad-processor rp4400 are 4U 19 systems also build around the zx1 Itanium 2 chipset, with minor changes to the rp3400s architecture. The rp4400s can use large amounts of RAM (128GB) and a rp4440 can offer up to eight PA-8900 cores and eight IO channels (4.0GBs) in a single system.http://www.openpa.net/systems/hp-9000_rp4410_rp4440.html |