Use this option to change the I/O type of the primary I/O book after a service action or configuration change if the I/O type is incorrect. If this option is chosen, you will be asked to make the following entries:

-For the I/O drawer address, type 1.

-For the I/O type, type 98.

If either value is not valid, a failure message displays on the console. Press Enter to return to the Power Control Network Utilities Menu.

vLED Control Menu

This menu displays the state of the processor subsystem disturbance or system attention LED and the fault/identify LED on the I/O subsystem(s). Use this menu to toggle the attention/fault LEDs between identify (blinking) and off. Option 1 is available only when the system is in the error state (the CEC is powered on and the service processor menus are available). Option 1 is not available when the system is in standby.

An example of this menu follows:

LED Control Menu

1.Set/Reset Identify LED state

2.Clear System Attention Indicator

98.Return to Previous Menu 0 >

The processor subsystem disturbance or system attention LED is located on the operator panel in the media drawer. The I/O drawer fault/identify LED is located on the front of each I/O subsystem.

If option 1 is selected, a list of location codes of the I/O subsystems and the CEC drawer displays. The screen will be similar to the following:

38Eserver pSeries 690 User's Guide

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IBM pSeries690 manual LED Control Menu

pSeries690 specifications

The IBM pSeries690, also known as the IBM eServer p690, is a high-performance server within IBM's line of Power Systems, designed primarily for enterprise-level workloads. Launched in the early 2000s, it distinguished itself as one of IBM's flagship offerings, aimed at delivering exceptional scalability, reliability, and processing power.

At the heart of the pSeries690 is the IBM POWER4 processor, a revolutionary architecture that significantly enhanced processing capabilities. The system supports multiple processor configurations, allowing businesses to customize performance based on their specific applications. Each pSeries690 can be configured with up to 32 POWER4 processors, providing a maximum processing power that is well-suited for demanding enterprise applications, complex databases, and large-scale transaction processing.

One of the standout features of the pSeries690 is its ability to handle massive amounts of memory — up to 1TB of total RAM. This is particularly advantageous for businesses that run memory-intensive applications or require high availability for critical tasks. The server’s advanced memory architecture contributes to faster data access and improved overall system performance.

Additionally, the IBM pSeries690 employs the innovative AIX operating system, which is tailored for high performance and reliability. AIX comes equipped with features such as dynamic logical partitioning (LPAR), allowing resources to be allocated flexibly and efficiently across different workloads. This technology supports virtualization, enabling multiple operating environments to run concurrently on a single physical server, optimizing resource utilization.

The pSeries690 also includes robust fault tolerance and reliability features. Redundant components, hot-swappable parts, and advanced error detection mechanisms ensure that the system remains operational even in the event of hardware failures. This reliability is crucial for mission-critical applications where downtime can lead to substantial financial losses.

Networking capabilities of the pSeries690 are enhanced by support for high-speed connections, including Gigabit Ethernet and the ability to integrate with various network topologies. This versatility facilitates seamless connectivity in complex IT environments.

In conclusion, the IBM pSeries690 remains a powerful and reliable choice for enterprises seeking to manage and optimize their most demanding workloads. Its combination of cutting-edge processing capabilities, expansive memory support, and robust virtualization features makes it a significant player in the realm of enterprise computing. As businesses continue to evolve, the core strengths of the pSeries690, especially in terms of scalability and reliability, ensure that it continues to meet the needs of demanding applications.