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The z10 BC continues the line of upward compatible main-
frame processors and retains application compatibility
since 1964. The z10 BC supports all z/Architecture
®
-com-
pliant Operating Systems. The heart of the processor unit
is the IBM z10 Enterprise Quad Core processor chip run-
ning at 3.5 GHz, designed to help improve CPU intensive
workloads.
The z10 BC, like its predecessors, supports 24, 31,
and 64-bit addressing, as well as multiple arithmetic for-
mats. High-performance logical partitioning via Processor
Resource/Systems Manager
™
(PR/SM
™
) is achieved by
industry-leading virtualization support provided by z/VM.
A change to the z/Architecture on z10 BC is designed
to allow memory to be extended to support large (1 mega-
byte (MB)) pages. Use of large pages can improve CPU
utilization for exploiting applications.
Large page support is primarily of benefi t for long-running
applications that are memory-access-intensive. Large
page is not recommended for general use. Short-lived
processes with small working sets are normally not good
candidates for large pages.
Large page support is exclusive to System z10 running
either z/OS or Linux on System z.
z10 BC Architecture
Rich CISC Instruction Set Architecture (ISA)
• 894 instructions (668 implemented entirely in hardware)
• Multiple address spaces robust inter-process security
• Multiple arithmetic formats
Architectural extensions for z10 BC
• 50+ instructions added to z10 BC to improve compiled
code effi ciency
• Enablement for software/hardware cache optimization
• Support for 1 MB page frames
• Full hardware support for Hardware Decimal Floating-
point Unit (HDFU)
z/Architecture operating system support
Delivering the technologies required to address today’s
IT challenges also takes much more than just a server;
it requires all of the system elements to be working
together. IBM System z10 operating systems and servers
are designed with a collaborative approach to exploit each
other’s strengths.
The z10 BC is also able to exploit numerous operating sys-
tems concurrently on a single server, these include z/OS,
z/VM, z/VSE, z/TPF, TPF and Linux for System z. These
operating systems are designed to support existing appli-
cation investments without anticipated change and help
you realize the benefi ts of the z10 BC. z10 BC—the new
business equation.
z/OS
August 5, 2008, IBM announced z/OS V1.10. This release
of the z/OS operating system builds on leadership capa-
bilities, enhances time-tested technologies, and leverages
deep synergies with the IBM System z10 and IBM System
Storage
™
family of products. z/OS V1.10 supports new
capabilities designed to provide:
• Storage scalability. Extended Address Volumes (EAVs)
enable you to defi ne volumes as large as 223 GB to
relieve storage constraints and help you simplify storage
management by providing the ability to manage fewer,
large volumes as opposed to many small volumes.
• Application and data serving scalability. Up to 64
engines, up to 1.5 TB per server with up to 1.0 TB of
real memory per LPAR, and support for large (1 MB)
pages on the System z10 can help provide scale and
performance for your critical workloads.
z/Architecture
6