AMD Opteron 256 - OSA256FAA5BL (OSA256BLBOX / OSA256BLWOF)


Specifications

Tools

  • Compare AMD Opteron 256 with any other processor from our CPU database:

    You can specify any of the following: manufacturer name, family name, model number, part number, core name, socket name, operating frequency, bus speed, and the last level cache. Here are examples of searches: OSA256FAA5BL, AMD Opteron 3GHz, Troy Socket 940

  • Use Opteron 256 CPU specifications for short-term auctions:
  • Get HTML and forum link code in case if you want to link to this page:

AMD Opteron 256 specifications

General information
TypeCPU / Microprocessor
Market segmentServer
FamilyAMD Opteron
Model number  ? 256
CPU part numbersOSA256FAA5BL is an OEM/tray microprocessor
OSA256BLBOX is a boxed microprocessor
OSA256BLWOF is a boxed microprocessor
Stepping codeAAB1E
Frequency  ? 3000 MHz
Package940-pin lidded organic micro-PGA
SocketSocket 940
 
Architecture / Microarchitecture
MicroarchitectureK8
Processor core  ? Troy
Core stepping  ? E4
Manufacturing process0.09 micron SOI
Data width64 bit
The number of cores1
The number of threads1
Floating Point UnitIntegrated
Level 1 cache size  ? 64 KB 2-way associative instruction cache
64 KB 2-way associative data cache
Level 2 cache size  ? 1 MB exclusive 16-way associative cache
Physical memory1 TB
Virtual memory256 TB
Pipeline
  • 12 (integer)
  • 17 (floating point)
MultiprocessingUp to 2 processors
Features
  • MMX instructions
  • 3DNow! technology
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • AMD64 / AMD 64-bit technology  ? 
  • EVP / Enhanced Virus Protection  ? 
  • SSE3 / Streaming SIMD Extensions 3
Low power features
  • Halt mode
  • Stop Grant mode  ? 
  • PowerNow!
On-chip peripherals
  • Integrated dual-channel DDR SDRAM Memory controller
  • HyperTransport technology with three 16-bit links up to 1000 MHz each
 
Electrical / Thermal parameters
V core  ? 1.35V / 1.4V
Minimum operating temperature0°C
Maximum operating temperature  ? 49°C - 67°C
Thermal Design Power  ? 92.6 Watt
 
Notes on AMD OSA256FAA5BL
  • OSA256BLBOX includes fan/heatsink
  • OSA256BLWOF does not include fan/heatsink

CPUs, related to AMD Opteron 256

Model Cores /
Threads
Freq. L2
cache
Multi-
processing
TDP Features
AMD Opteron family, Socket 940
   Opteron 2501 / 12.4 GHz1 MB268 Watt
   Opteron 250 HE1 / 12.4 GHz1 MB254.7 Watt
   Opteron 8501 / 12.4 GHz1 MB885.3 Watt
   Opteron 850 HE1 / 12.4 GHz1 MB854.7 Watt
   Opteron 152 (rev. E4, socket 940)1 / 12.6 GHz1 MB192.6 Watt
   Opteron 2521 / 12.6 GHz1 MB268 Watt
   Opteron 2521 / 12.6 GHz1 MB292.6 Watt
   Opteron 8521 / 12.6 GHz1 MB868 Watt
   Opteron 8521 / 12.6 GHz1 MB892.6 Watt
   Opteron 2541 / 12.8 GHz1 MB268 Watt
   Opteron 2541 / 12.8 GHz1 MB292.6 Watt
   Opteron 8541 / 12.8 GHz1 MB868 Watt
   Opteron 8541 / 12.8 GHz1 MB892.6 Watt
   Opteron 2561 / 13 GHz1 MB292.6 Watt
   Opteron 8561 / 13 GHz1 MB892.6 Watt
AMD Opteron family, K8 micro-architecture, Other sockets
   Opteron 152 (rev. E4, socket 939)1 / 12.6 GHz1 MB1104 Watt
   Opteron 1541 / 12.8 GHz1 MB1104 Watt
   Opteron 1561 / 13 GHz1 MB1104 Watt
Other families, K8 micro-architecture, Socket 940
   Dual-Core Opteron 285 (OST)2 / 22.6 GHz2 MB268 Watt
   Dual-Core Opteron 285 SE2 / 22.6 GHz2 MB2119 Watt
   Dual-Core Opteron 885 (OST)2 / 22.6 GHz2 MB8 
   Dual-Core Opteron 885 (95W)2 / 22.6 GHz2 MB895 Watt
   Dual-Core Opteron 2902 / 22.8 GHz2 MB295 Watt
   Dual-Core Opteron 8902 / 22.8 GHz2 MB895 Watt

 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)

 • List of related CPUs is not complete.

FAQ

Q: Can I upgrade my Opteron 256 CPU?
A: Probably yes. Processor compatibility is determined by your motherboard. Please see CPU-Upgrade.com resource for CPU support list for your board.

AMD Opteron 256 Overclocking

Sorry, overclocking information is not available at this time.

Pictures (1)

 
2011-05-24 12:55:53
Posted by: Neon

 
 

CPU ID (1)

CPUID Tools

CPUID features of Opteron 256

NOTE: The CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the AMD Opteron 256 CPU.

Manufacturer:AMD
CPU Family:Opteron
Model Number:256
Frequency:2988 MHz
Part number:
OSA256FAA5BL
Stepping Code:CAB1E 0609FPMW
Comment:Troy
Submitted by:Neon
General information
Vendor:AuthenticAMD
Processor name (BIOS):AMD Opteron(tm) Processor 256
Cores:1
Processor type:Original OEM Processor
Core stepping:SH-E4
CPUID signature:20F51
Family:15 (0Fh)
Model:37 (025h)
Stepping: 1 (01h)

Cache: L1 data L1 instruction L2
Size: 64 KB 64 KB 1 MB
Associativity: 2-way set
associative
2-way set
associative
16-way set
associative
Line size: 64 bytes 64 bytes 64 bytes
Lines per tag: 1 1 1
 
Instruction set extensionsAdditional instructions
MMX CLFLUSH
AMD extensions to MMX CMOV
3DNow! CMPXCHG8B
Extensions to 3DNow! FXSAVE/FXRSTORE
SSE SYSCALL/SYSRET
SSE2 SYSENTER/SYSEXIT
SSE3  
 
Major featuresOther features
On-chip Floating Point Unit 36-bit page-size extensions
64-bit / Intel 64 Advanced programmable interrupt controller
NX bit/XD-bit Debugging extensions
PowerNow! / Cool'n'Quiet Frequency ID control
  LAHF / SAHF support in 64-bit mode
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Model-specific registers
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Physical address extensions
  THERMTRIP
  Temperature sensor
  Time stamp counter
  Virtual 8086-mode enhancements
  Voltage ID control

Comments (0)

You're welcome to post suggestions, corrections, your own personal AMD Opteron 256 review, or your experience with the microprocessor. Please do not ask upgrade and troubleshooting questions, and do not start discussions.

Terms and Conditions · Privacy Policy · Contact Us (c) Copyright 2003 - 2010 Gennadiy Shvets

Search CPU-World

Search site contents:

Identify part

Identify CPU, FPU or MCU:

Related Links

Find CPUs

Find Opteron CPUs with:

Same socket