OSfOM

The Workhorse Twins: A Look Back at the Sun Blade 100 and 150 

Sun Microsystems released the Sun Blade 100 in 2001 as an entry-level workstation alongside the higher-end Sun Blade 1000. It served as a lower-cost desktop alternative to the Blade 1000 and 2000 models. Instead of the UltraSPARC III processors used in higher-end systems, the Blade 100 was built around a single UltraSPARC IIe processor running at speeds between 500 MHz and 650 MHz. The chassis had a smaller footprint than the larger Blade enclosures, making it practical for classrooms and smaller developer desks. The motherboard included integrated graphics, with expansion options for basic 2D and 3D acceleration cards. PCI slots accommodated add-in network adapters, SCSI controllers, and other peripherals.

The machine ran Solaris and was deployed in universities, research departments, and software development settings. It was commonly used for learning the operating system, general system administration, and building software targeted at the Solaris platform.

In 2003, Sun released the Sun Blade 150. It retained the compact form factor and PCI expansion layout of the Blade 100, but upgraded to an UltraSPARC IIi processor, often clocked at 1 GHz. This chip offered higher system integration, potentially lower power consumption, and improved performance for compilation and multitasking. Although introduced before Solaris 10 was released, the workstation supported the operating system and features such as DTrace, ZFS, and Solaris Zones.

The Blade 150 sat between the entry-level Blade 100 and the higher-end Blade 2000 and 2500 systems. Both models expanded access to the SPARC and Solaris platform for educators, developers, and system administrators, and surviving units are preserved by vintage hardware collectors.