■16 Mbytes of local static random access memory (SRAM) external cache memory per processor

■Slots for up to 16 dual inline memory modules (DIMMs)—eight per processor

A fully configured Sun Fire V490 system includes a total of four UltraSPARC IV processors residing on two CPU/Memory boards. For more information, see “About the CPU/Memory Boards” on page 27.

System main memory is provided by up to 32 DIMMs, which operate at a 75-MHz clock frequency. The system supports 512-Mbyte and 1-Gbyte DIMMs. Total system memory is shared by all processors in the system and ranges from a minimum of

8 Gbytes (one CPU/Memory board with eight 512-Mbyte DIMMs) to a maximum of

32Gbytes (two boards fully populated with 1-Gbyte DIMMs). For more information about system memory, see “About the Memory Modules” on page 28.

System I/O is handled by four separate Peripheral Component Interconnect (PCI) buses. These industry-standard buses support all of the system’s on-board I/O controllers in addition to six slots for PCI interface cards. Four of the PCI slots operate at a 33-MHz clock rate, and two slots operate at either 33 or 66 MHz. All slots comply with PCI Local Bus Specification Revision 2.1. For additional details, see “About the PCI Cards and Buses” on page 31.

Internal disk storage is provided by up to two 1-inch, hot-pluggable, Fibre Channel- Arbitrated Loop (FC-AL) disk drives. Both single-loop and dual-loop configurations are supported. The basic system includes an FC-AL disk backplane that accommodates 73-Gbyte or 146-Gbyte disks. In addition, an external FC-AL port exists on the system’s back panel. For additional details, see “Locating Back Panel Features” on page 16.

The backplane provides dual-loop access to each of the FC-AL disk drives. One loop is controlled by an on-board FC-AL controller integrated into the system centerplane. The second loop is controlled by a PCI FC-AL host adapter card (available as a system option). This dual-loop configuration enables simultaneous access to internal storage via two different controllers, which increases available I/O bandwidth. A dual-loopconfiguration can also be combined with multipathing software to provide hardware redundancy and failover capability. Should a component failure render one loop inaccessible, the software can automatically switch data traffic to the second loop to maintain system availability. For more information about the system’s internal disk array, see “About FC-AL Technology” on page 41, “About the FC-AL Backplane” on page 43, and “About the FC-AL Host Adapters” on page 44.

External multidisk storage subsystems and redundant array of independent disks (RAID) storage arrays can be supported by installing single-channel or multichannel PCI host adapter cards along with the appropriate system software. Software drivers supporting FC-AL and other types of devices are included in the Solaris OS.

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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.
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