About OpenBoot Emergency Procedures

You can obtain environmental status at any time, regardless of whether OpenBoot environmental monitoring is enabled or disabled. The .env status command simply reports the current environmental status information; it does not take action if anything is abnormal or out of range.

For an example of .env command output, see “How to Obtain OpenBoot Environmental Status Information” on page 155.

The introduction of Universal Serial Bus (USB) keyboards has made it necessary to change some of the OpenBoot emergency procedures. Specifically, the Stop-D, Stop-F, and Stop-N commands that were available on systems with non-USB keyboards are not supported on systems that use USB keyboards, such as the Sun Fire V490 system. The following sections describe the OpenBoot emergency procedures for systems like the Sun Fire V490 server that accept USB keyboards.

Stop-A Functionality

Stop-A (Abort) issues a break that drops the system into OpenBoot firmware control (indicated by the display of the ok prompt). The key sequence works the same on the Sun Fire V490 server as it does on older systems with non-USB keyboards, except that it does not work during the first few seconds after the machine is reset.

Stop-D Functionality

The Stop-D (Diags) key sequence is not supported on systems with USB keyboards. However, the Stop-D functionality can be closely emulated by turning the system control switch to the Diagnostics position. For more information, see “System Control Switch” on page 15.

The RSC bootmode diag command also provides similar functionality. For more information, see the Sun Remote System Control (RSC) 2.2 User’s Guide, which is included on the Sun Fire V490 Documentation CD.

54 Sun Fire V490 Server Administration Guide • August 2004

V490 specifications

Sun Microsystems V490 is a robust, high-performance server that was launched in the mid-2000s. It is part of Sun's Enterprise line of servers, specifically designed to meet the needs of businesses requiring reliability, scalability, and efficiency in their computing environments. The V490 is well-regarded for its versatility and ability to handle demanding applications.

At the heart of the V490 is its support for the UltraSPARC IV processor. The server can be configured to contain up to four processors, allowing it to deliver exceptional parallel processing capabilities. The UltraSPARC IV architecture enhances throughput and efficiency, making it suitable for enterprise applications and database management tasks.

One of the standout features of the V490 is its memory capacity. The server can support up to 64 GB of RAM, which allows for extensive caching and improved performance for memory-intensive applications. Coupled with a high bandwidth architecture, the V490 ensures that data can be processed quickly and effectively.

The V490 also emphasizes storage flexibility. It comes equipped with multiple disk drive bays, allowing for a combination of SATA and SAS drives. This flexibility enables businesses to tailor their storage solutions according to their specific performance and redundancy requirements. The V490 supports hot-swappable drives, making maintenance and upgrades considerably easier without taking the server offline.

In terms of connectivity, the Sun V490 features a variety of networking options. It includes multiple Gigabit Ethernet ports, ensuring high-speed data transfer and redundancy. Additionally, the server supports advanced input/output capabilities, making it compatible with various peripherals and external storage solutions.

Sun Microsystems V490 runs on the Solaris operating system, known for its stability and security. This OS enhances the server's performance while providing a reliable platform for mission-critical applications. The V490 also supports virtualization technologies, allowing organizations to run multiple operating systems and applications on a single hardware platform, thus optimizing resource utilization.

Another key characteristic of the V490 is its thermal efficiency. The server is designed with an advanced cooling system that minimizes energy consumption while maximizing performance. This focus on power efficiency aligns with modern data center requirements for sustainability and reduced operational costs.

In summary, the Sun Microsystems V490 is a powerful enterprise server that combines the latest processing technologies, substantial memory and storage capabilities, and robust networking options. Its scalability, along with advanced virtualization support and energy-efficient design, makes it a suitable choice for organizations looking to enhance their IT infrastructure. The V490 remains a testament to Sun Microsystems' commitment to delivering high-quality, reliable computing solutions.

Sun Microsystems V490 manual About OpenBoot Emergency Procedures, Stop-A Functionality

Models: V490