| Site: | DOE/SC/LBNL/NERSC | 
|---|---|
| Manufacturer: | Cray/HPE | 
| Cores: | 512 | 
| Processor: | EV5 450MHz | 
| Interconnect: | 3-D Torus | 
| Installation Year: | 1997 | 
| Performance | |
| Linpack Performance (Rmax) | 321.00 GFlop/s | 
| Theoretical Peak (Rpeak) | 460.80 GFlop/s | 
| Nmax | 122,880 | 
| Nhalf | 15,360 | 
| Software | |
| Operating System: | UNICOS |