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All major system components, other than the power conversion board, are slated to remain the same
for future processors—you can even use the same memory DIMMs. This makes upgrading easy and
economical: You simply remove all the cells and the memory contained within the cells, transfer the
memory to the processor cell boards, and install the processor cell boards into the cabinet. In
addition, HP is investing in several PA-RISC enhancements in addition to those in the Intel Itanium
processor. This allows customers to move to the new architecture when they are ready, not when their
vendor forces them to. The HP dual-path microprocessor roadmap helps make the Integrity rx7620-16
and rx8620-32 Servers the safest and fastest midrange servers in the market.
Binary compatibility for the Intel Itanium Processor Family
HP will continue to support binary compatibility of operating systems through the introduction of
Itanium-based systems. As a result of HP's work with Intel on Explicitly Parallel Instruction Computing
(EPIC) architecture—the technology foundation for the Intel Itanium architecture—today's HP-UX,
Windows, and Linux applications will run unchanged on Itanium-based systems. To help facilitate
maximum performance, you can recompile applications without source changes.
Upgrading the HP Server rp7410 and rp8400
The HP Server rp7410 and rp8400 were the first releases of the current generation of the HP
midrange server family. These PA-8700 RISC-based servers can be easily upgraded to an Integrity
rx8620-32 Server containing Intel Itanium 2 processors. Upgrading the rp7410 and rp8400 servers
is simple.
• Remove the cell boards
• Transfer all memory to the new cell board
• Plug the cell board into the cabinet
• Remove/Replace existing core I/O(s)
• Remove/Replace I/O backplane board
• Upgrade system firmware (as needed)
• Install desired operating system
• Change system bezel to reflect the correct system name and color scheme
Today's HP midrange servers are already prepared for the next generation of processors so that they
can stay ahead of tomorrow's performance demands. HP Integrity servers deliver investment
protection through multiple significant in-chassis upgrades.
Instant Capacity
With HP Instant Capacity solutions, the Integrity rx7620-16 and rx8620-32 Servers can be fully
populated with high-performance Intel Itanium 2 processors at a significantly lower cost. (Instant
Capacity is not supported with Windows at first release.) It is no longer necessary to pay for inactive
CPUs—with Instant Capacity you only pay when you start using the extra capacity. These additional
CPUs can be activated instantly with a simple command, providing immediate increases in processing
power to accommodate application traffic demands.
Instant Capacity is also a high-availability feature. In the unlikely event that a CPU fails, the HP system
will automatically replace the failed CPU on the cell board at no additional charge—without
rebooting! In online mode, the Instant Capacity CPU brings the system back to full performance and
capacity levels, reducing downtime and assuring no degradation in performance.
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