SP Switch2 service procedures

Figure 4-6. Removing SP Switch2 circuit breaker assembly

Replacing the 48 V dc circuit breaker assembly

1.Insert the 48 V dc circuit breaker assembly into the switch chassis.

2.Secure the assembly to the chassis with the mounting screws.

3.Plug the circuit breaker assembly power cable into J48V on the switch planar.

4.Install the center top-cover and secure it by tightening the captive screws.

5.Replace the switch supervisor card and the card retention bracket. v Refer to ªReplacing the switch supervisor cardº on page 4-6.

6.Replace the switch from service position.

v Refer to ªReplacing an SP Switch2 from service positionº on page 3-11.

7.Return to the procedure that directed you here.

Removing the LED power extension cable

Note: Refer to ªHandling static-sensitive devicesº on page 4-1.

1.Place the switch in service position.

v Refer to ªPlacing an SP Switch2 into service positionº on page 3-10.

2.Remove the fan assembly containing the LED display. v Refer to ªRemoving a fan assemblyº on page 4-2.

3.Loosen the captive screws on the chassis center top-cover and remove the cover.

4.Unhook and remove both planar air baffles.

5.Unplug the LED extension cable power connector from switch planar jack JLED. v At this time, do not remove the extension cable from the cover slot.

6.At the rear of the front top-cover and at the top of power bays 2 and 3, loosen the captive screws securing the removable trays.

7.Remove the tray from bay 3 and then remove the tray from bay 2.

Chapter 4. FRU removals and replacements 4-9

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IBM RS/6000 SP manual Replacing the 48 V dc circuit breaker assembly, Removing the LED power extension cable
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RS/6000 SP specifications

The IBM RS/6000 SP (Scalable Power) is a high-performance computing system that was developed in the early 1990s and has since become a significant player in the realm of supercomputing and enterprise solutions. Designed primarily for scientific, engineering, and complex data analysis tasks, the RS/6000 SP provides powerful processing capabilities, enhanced scalability, and features to support demanding applications.

One of the key characteristics of the RS/6000 SP is its modular architecture, which allows for the addition of multiple nodes. Each node is based on IBM's Power architecture, leveraging the RISC (Reduced Instruction Set Computing) design to achieve high throughput and efficiency. The system can support configurations ranging from a few nodes to hundreds, enabling organizations to scale their computational power as needed based on workload requirements.

The RS/6000 SP employs advanced interconnect technologies, most notably the SP Switch, which ensures high-speed communication between nodes. This interconnect allows for seamless data transfer, ensuring that the system can handle large datasets and complex computations without bottlenecks. The SP's ability to deliver concurrent processing capabilities makes it ideal for parallel computing tasks, including simulations, modeling, and large-scale computations.

In terms of software, the RS/6000 SP was equipped with AIX, IBM's version of the UNIX operating system, which provides a stable and secure environment for enterprise applications. Furthermore, the system supports a vast array of programming languages and tools, including Fortran, C, and C++, along with libraries and frameworks designed for high-performance computing. This compatibility allows developers to optimize their applications to fully utilize the underlying hardware.

Another notable feature of the RS/6000 SP is its extensive support for various workloads, including database management, multi-user applications, and graphical processing. The system was equipped with high-performance graphics capabilities, making it suitable for tasks that require intensive visualization, such as computer-aided design (CAD) and scientific visualization.

Overall, the IBM RS/6000 SP has solidified its role in the high-performance computing landscape, combining advanced technologies, robust scalability, and flexibility to meet the unique demands of research and enterprise environments. Its legacy continues to influence modern computing architectures, embodying IBM’s commitment to innovation and performance in the pursuit of complex problem-solving capabilities.
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