Computers used by Principia are HP 9000/700 series PA-RISC workstations running HP-UX, Intel workstations running Red Hat Linux/Intel, Alpha workstations running Red Hat Linux/Alpha, a Beowulf supercomputer and personal computers running Microsoft Windows.
The workstations are networked together with a hybrid 100VG-AnyLAN, 100BaseT and 1000BaseT network through a Layer 3 switch. A secondary 10BaseT and T1 network is used for low bandwidth traffic.
Peripherals include monochrome and color printers, a 36" large format printer, an E-size digitizer and a scanner.
The Principia network contains several hundred gigabytes of disk storage. Removable media include DAT, 8mm and TRAVAN tapes, CD-R and CD-RW, and ZIP disks.
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