Chapter 3. Setting up your 0578 expansion unit

This chapter describes how to set up your 0578 Expansion Unit.

If you have not powered down your system unit, go to “Powering down your iSeries system unit” on page 6. Once you have powered down your system unit, return here.

Removing the covers

See Appendix A, “Removing the back covers” on page 31 if you need help removing the covers on your expansion units or system unit.

Connector locations

See Appendix B, “Connector Locations” on page 35 if you need help finding the connectors on your expansion units or system unit.

Systems with a migration unit or 9079 Expansion Unit

If your system unit has a migration unit or 9079 Expansion Unit, read Appendix D, “Cabling rules for systems with a migration unit or the 9079 and 9094 expansion unit” on page 45 before you proceed.

Connecting your 0578 directly to your system unit

This section describes how to connect your 0578 directly to your iSeries system unit.

If you encounter difficulties during the procedure, contact your authorized dealer or service provider.

© Copyright IBM Corp. 2000, 2002

15

Page 25
Image 25
IBM 5078, 5074, 5079 manual Setting up your 0578 expansion unit, Connecting your 0578 directly to your system unit

5078, 5079, 578, 5074 specifications

The IBM 5074, 578, 5079, and 5078 are part of IBM's influential line of midrange computer systems that emerged during the late 1970s and early 1980s. These models were pivotal in the evolution of business computing at a time when companies were increasingly adopting automated systems for data processing tasks.

The IBM 5074, also known as the IBM 5100 Series, was particularly notable for being one of the first portable computers, offering a versatile computing environment for both technical and business applications. It featured an impressive combination of hardware and software capabilities, including a built-in keyboard, a screen, and the ability to run various programming languages. Both APL and BASIC were readily available, making it a popular choice for developers and mathematicians alike.

The 578 model was an advanced variant of the 5074, emphasizing enhanced performance and expanded memory capacity. The 578 integrated more sophisticated I/O capabilities, which included diverse connection options for external devices. This system was geared toward small and medium enterprises requiring robust computing power without the complexities of mainframe management.

The IBM 5079, on the other hand, distinguished itself with its unique multi-user capabilities, allowing for simultaneous access by multiple users. This built-in support for multitasking made it a formidable tool in office environments where collaboration and efficient resource sharing were paramount. Its operating system was designed to optimize performance across various applications, facilitating smoother operations in busy work environments.

Lastly, the IBM 5078 served as a bridge between traditional minicomputers and the growing demand for microcomputing solutions. It included critical innovations in processing speed and data handling capabilities, allowing businesses to better manage their operations. With a focus on reliability and uptime, the 5078 was engineered for critical business functions that demanded robust performance in a pragmatic package.

Together, these models underscored IBM's commitment to innovation and adaptability in the computing landscape of the late 20th century. They set the groundwork for future advancements in personal computing and enterprise systems, influencing generations of technology that followed. Their legacy is a testament to the evolution of computing technology, showcasing concrete advancements in capability, efficiency, and user accessibility.