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In October, 2004, OSC engineers installed three SGI Altix 350s. The Altix 350s featured 16-processors each for SMP and large-memory applications configured. They included 32GB of memory, 161.4 Gigahertz Intel Itanium2 processors, 4 Gigabit Ethernet interfaces, 2-Gigabit FibreChannel interfaces, and approximately 250 GB of temporary disk.
The OSC-Springfield offices would officially open in April 2004. Over the next several months, OSC engineers would install the 16-MSP Cray X1 system, the Cray XD1 system and the 33-node Apple Xserve G5 Cluster at Springfield office. A 1-Gbit/s Ethernet WAN service linked the cluster to OSC’s remote-site hosts in Columbus.

PIVIn December, 2003, OSC engineers installed a 512-CPU Pentium 4 Linux Cluster. Replacing the AMD Athlon cluster, the P4 doubled the existing system’s power with a sizable increase in speed. With a theoretical peak of 2,457 gigaflops, the P4 cluster contained 256 dual-processor Pentium IV Xeon systems with four gigabytes of memory per node and 20 terabytes of aggregate disk space.

SGI Altix 3700In September, 2003, OSC engineers installed a SGI Altix 3700 system to replace its SGI Origin 2000 system and to augment its HP Itanium 2 Cluster. The Altix was a non-uniform memory access system with 32 Itanium processors and 64 gigabytes of memory. The Altix featured Itanium 2 processors and runs the Linux operating system.

In October, 2002, OSC engineers installed the 300-CPU HP Workstation Itanium 2 Linux zx6000 Cluster. OSC selected HP’s computing cluster for its blend of high performance, flexibility and low cost. The HP cluster used Myricom's Myrinet high-speed interconnect and ran the Red Hat Linux Advanced Workstation, a 64-bit Linux operating system.

AMD MPP ClusterOSC engineers in March, 2002, installed a 256-CPU AMD Linux Cluster. The 32-bit Parallel Processing (MPP) system featured one gigabyte of distributed memory, 256 1.4 & 1.53 gigahertz AMD Athlon processors and a Myrinet and Fast Ethernet interconnect.

Sunfire 6800In October, 2001, OSC engineers installed four SunFire 6800 midframe servers, with a total of 72 UltraSPARC III processors.