Sun’s flat desktop workstations earned the nickname “pizza boxes” for their compact, stackable form factor. Starting with the SPARCstation 1 in 1989 and continuing through the Ultra series in the late 1990s, these machines brought serious UNIX computing to the desktop. The collection here covers restorations, repairs, and technical details for machines spanning the sun4c, sun4m, and sun4u architectures.
Sun Pizza Box Workstations
Restorations of Sun Microsystems compact desktop SPARC workstations from the SPARCstation 1 through the Ultra series
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Sun SPARCstation 1
The 1989 "Campus" that started the pizza box era, restored to a genuine SS1 board after arriving with a Purdue clone upgrade installed
Sun SPARCstation 2
The early-90s Unix workhorse, here with an 80 MHz Weitek PowerUp and a rare fully-populated 64 MB DataRAM SBus card
Sun SPARCstation 5
Sun's 1994 entry-level "Aurora," topped out with a 170 MHz TurboSPARC — SPARC for the masses
Sun SPARCstation 10
The first Sun desktop to fit two CPUs, with the modular MBus that made compute upgrades a slot-in affair
Sun SPARCstation 20
The pinnacle "Kodiak" pizza box, built to take four CPUs — this one runs a 125 MHz ROSS hyperSPARC
Sun Ultra 1
Sun's first 64-bit desktop — the 1995 "Electron" with hardware-accelerated UPA Creator graphics
Sun Ultra 5
Sun's budget UltraSPARC IIi desktop, whose cost-cutting IDE drives needed a ZuluSCSI workaround to behave