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AMD Dual-Core Opteron 285 - OST285FAA6CB

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AMD Opteron 285 specifications

General information
TypeCPU / Microprocessor
Market segmentServer
FamilyAMD Dual-Core Opteron
Model number  ? 285
CPU part number
  • OST285FAA6CB is an OEM/tray microprocessor
Stepping codesLCB9E   LCBBE
Frequency  ? 2600 MHz
Package940-pin lidded organic micro-PGA
SocketSocket 940
Architecture / Microarchitecture
Processor core  ? Italy
Core stepping  ? E6
Manufacturing process0.09 micron SOI
Data width64 bit
The number of cores2
The number of threads2
Floating Point UnitIntegrated
Level 1 cache size  ? 2 x 64 KB 2-way associative instruction cache
2 x 64 KB 2-way associative data cache
Level 2 cache size  ? 2 x 1 MB exclusive 16-way associative cache
Physical memory1 TB
Virtual memory256 TB
  • 12 (integer)
  • 17 (floating point)
MultiprocessingUp to 2 processors
  • MMX instructions
  • 3DNow! technology
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • SSE3 / Streaming SIMD Extensions 3
  • AMD64 / AMD 64-bit technology  ? 
  • EVP / Enhanced Virus Protection  ? 
Low power features
  • Halt mode
  • Stop Grant mode  ? 
  • PowerNow!
Integrated peripherals / components
Integrated graphicsNone
Memory controller
  • The number of controllers: 1
    Memory channels: 2
    Supported memory: DDR
Other peripheralsHyperTransport technology with three 16-bit links up to 1000 MHz each
Electrical / Thermal parameters
Thermal Design Power  ? 68 Watt

Detailed side-by-side comparison

For detailed comparision of the AMD Opteron 285 and any other other chip from our CPU database type in a chip name and/or its partial specs:

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: OST285FAA6CB, AMD Dual-Core Opteron 2.6GHz, Italy Socket 940


Q: Can I upgrade my Opteron 285 CPU?
A: Probably yes. Processor compatibility is determined by your motherboard. Please see resource for CPU support list for your board.

Opteron 285 Overclocking

Sorry, overclocking information is not available at this time.

CPU ID information for the Opteron 285

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Use our CPU identification tool to check features of your CPU.

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 Dual-Core Opteron 285 CPU.

CPU Family:Dual-Core Opteron
Model Number:285
Frequency:2589 MHz
Part number:
Stepping Code:CCB1E 0606UPMW
Submitted by:Neon
General information
Processor name (BIOS):Dual Core AMD Opteron(tm) Processor 285
Logical processors:2
Processor type:Original OEM Processor
Core stepping:JH-E6
CPUID signature:20F12
Family:15 (0Fh)
Model:33 (021h)
Stepping: 2 (02h)

Cache: L1 data L1 instruction L2
Size: 2 x 64 KB 2 x 64 KB 2 x 1 MB
Associativity: 2-way set
2-way set
16-way set
Line size: 64 bytes 64 bytes 64 bytes
Lines per tag: 1 1 1
Instruction set extensionsAdditional instructions
AMD extensions to MMX CMOV
Extensions to 3DNow! FXSAVE/FXRSTORE
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 Core multi-processing legacy mode
PowerNow! / Cool'n'Quiet Debugging extensions
  FXSAVE/FXRSTOR optimizations
  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
  Temperature sensor
  Time stamp counter
  Virtual 8086-mode enhancements
  Voltage ID control

CPUs, related to AMD Opteron 285 (OST)

Model Cores /
Frequency L2
TDP Features  
AMD Dual-Core Opteron family, Socket 940
   Opteron 875 (rev. E1, OST)2 / 22.2 GHz2 MB868W>
   Opteron 875 HE2 / 22.2 GHz2 MB855W>
   Opteron 280 (68W)2 / 22.4 GHz2 MB268W>
   Opteron 280 (95W)2 / 22.4 GHz2 MB295W>
   Opteron 280 (OST)2 / 22.4 GHz2 MB268W>
   Opteron 280 SE2 / 22.4 GHz2 MB2119W>
   Opteron 880 (OST)2 / 22.4 GHz2 MB8 >
   Opteron 880 (95W)2 / 22.4 GHz2 MB895W>
   Opteron 285 (95W)2 / 22.6 GHz2 MB295W>
   Opteron 285 (OST)2 / 22.6 GHz2 MB268W 
   Opteron 285 SE2 / 22.6 GHz2 MB2119W>
   Opteron 885 (OST)2 / 22.6 GHz2 MB8 >
   Opteron 885 (95W)2 / 22.6 GHz2 MB895W>
   Opteron 2902 / 22.8 GHz2 MB295W>
   Opteron 8902 / 22.8 GHz2 MB895W>
AMD Dual-Core Opteron family, K8 micro-architecture, Other sockets
   Opteron 1802 / 22.4 GHz2 MB1110W>
   Opteron 1852 / 22.6 GHz2 MB1110W>
   Opteron 1902 / 22.8 GHz2 MB1 >
Other families, K8 micro-architecture, Socket 940
   Opteron 254 (68W)1 / 12.8 GHz1 MB268W>
   Opteron 2541 / 12.8 GHz1 MB292.6W>
   Opteron 8541 / 12.8 GHz1 MB892.6W>
   Opteron 854 (68W)1 / 12.8 GHz1 MB868W>
   Opteron 2561 / 13 GHz1 MB292.6W>
   Opteron 8561 / 13 GHz1 MB892.6W>
 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
 • Background color of specs and features indicate whether they are better or worse than similar spec/feature of the Opteron 285 (OST)
 • Click on the >  icon to compare any CPU in the table with the AMD Opteron 285 (OST) (Javascript required).
 • List of related CPUs is not complete.

Pictures (1)

2010-09-27 19:23:58
Posted by: Neon

Comments (1)

You're welcome to post suggestions, corrections, your own personal AMD Opteron 285 review, or your experience with the microprocessor. Please do not ask upgrade and troubleshooting questions, and do not start discussions.


2010-09-09 05:09:13
Posted by: confusis

Apparently this is an OEM chip for the hp DL385 server.

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