Intel 9550 CM8063101049807 Data Sheet

13



Eight Core

— Eight complete 64-bit processing cores on one 

processor, with two threads per core.

— Each core provides in-order issue and execution 

of up to twelve instructions per cycle.

— Includes dynamic domain partitioning and static 

hard partitioning.



Advanced EPIC (Explicitly Parallel Instruction 

Computing) Architecture for current and future 

requirements of high-end enterprise and technical 

workloads.

— Provide a variety of advanced implementations of 

parallelism, predication, and speculation, 

resulting in superior Instruction-Level Parallelism 

(ILP). 



Intel

®

 Hyper-Threading Technology

— Dual Domain Multithreading with independent 

front end and back end thread domains providing 

hardware support for 2 threads per core.

— Support for Intel

®

 Itanium

®

 Processor New-

Instructions.



Wide, parallel hardware based on Intel

®

 Itanium

®

 

architecture for high performance:

— Integrated on-die LLC cache of up to 32MB; 

cache hints for FLC, MLC, and LLC caches for 

reduced memory latency.

— 160 general and 128 floating-point registers 

supporting register rotation.

— Register stack engine for effective management 

of processor resources.

— Support for predication and speculation.



Extensive RAS features for business-critical 

applications, for example:

— Machine check architecture with extensive ECC 

and parity protection with firmware first error 

handling.

— End-to-end error detection.

— On-chip thermal management and power 

management.

— Built-in processor information ROM (PIROM).

— Built-in programmable EEPROM.

— Hot  Plug  Socket.

— Hot-add and hot removal support.

— Double Device Data Correction (DDDC) for x4 

DRAMs, plus correction support of a single bit 

error.

— Single Device Data Correction (SDDC) for x8 and 

x4 DRAMs, plus correction of a single bit error.

— Intel

®

 QuickPath Interconnect Dynamic Link 

Width Reduction.

— Intel

®

 QuickPath Interconnect Clock Fail-Safe 

Feature.

— Intel

®

 QuickPath Interconnect Hot-Add and 

Removal.

— Memory DIMM and Rank Sparing, Memory 

Scrubbing, Memory Mirroring, and Memory 

Migration.

— Intel

®

 Turbo Boost Technology, featuring 

sustained boost.

— Architected firmware stack, including PAL and 

SAL support.

— Directory-based and source-based coherency 

protocol.

— Intel QPI poisoning, viral containment and 

cleanup. 



Two On-die Memory Controllers

— Each memory controller supports two Intel

®

 

Scalable Memory Interconnects that operate in 

lockstep.

— Support for one Scalable Memory Buffer per Intel 

Scalable Memory Interconnect; four Scalable 

Memory Buffers per processor.

— High memory bandwidth, thus improved 

performance.

— 4.8 GT/s for the Intel

®

 7500 Scalable Memory 

Buffer.

— 6.4 GT/s for the Intel

®

 7510 Scalable Memory 

Buffer. 



Intel

®

 Instruction Replay Technology to replay core 

pipeline for pipeline management and core RAS. 



Intel

®

 Virtualization Technology (Intel

® 

VT) for 

Intel

®

 64 or Itanium 

®

architecture (Intel 

® 

Vt-i) 3 - 

Virtualization Support Extensions for Intel

® 

Virtualization Technology. 

— Reduce virtualization complexity.

— Improve virtualization performance via hardware 

optimization.

— Increase operating system compatibility. 



Intel

®

 Cache Safe Technology ensure mainframe-

caliber availability. 

— Minimize LLC cache errors.

— Disable cache entries that have become hard 

errors.

— Directory Cache covers 33% more cache lines.

— Improve availability.



High bandwidth Intel

®

 QuickPath Interconnect for 

multiprocessor scalability:

— 4 full and 2 half width Intel QPI Links

— 6.4GT/s transfer rate with aggregate data 

bandwidth of 28.8 GB/s.

— Systems are easily scaled without sacrificing 

performance.



Features to support flexible platform environments:

— Fully compatible with binaries for the Intel 

Itanium processor family with Instruction level 

advancements.

— LGA1248 Socket Level compatible with the Intel

®

 

Itanium

®

 Processor 9300 Series.

— Bi-endian support.

— Processor abstraction layer eliminates processor 

dependencies.