AMD Opteron 256 - OSA256FAA5BL (OSA256BLBOX / OSA256BLWOF)

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AMD Opteron 256 specifications

General information
Type	CPU / Microprocessor
Market segment	Server
Family	AMD Opteron
Model number ?	256
CPU part numbers	OSA256FAA5BL is an OEM/tray microprocessor OSA256BLBOX is a boxed microprocessor OSA256BLWOF is a boxed microprocessor
Stepping code	AAB1E
Frequency ?	3000 MHz
Package	940-pin lidded organic micro-PGA
Socket	Socket 940

Architecture / Microarchitecture
Microarchitecture	K8
Processor core ?	Troy
Core stepping ?	E4
Manufacturing process	0.09 micron SOI
Data width	64 bit
The number of cores	1
The number of threads	1
Floating Point Unit	Integrated
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 memory	1 TB
Virtual memory	256 TB
Pipeline	12 (integer) 17 (floating point)
Multiprocessing	Up 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 temperature	0°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 250 1 / 1 2.4 GHz 1 MB 2 68 Watt

   Opteron 250 HE 1 / 1 2.4 GHz 1 MB 2 54.7 Watt

   Opteron 850 1 / 1 2.4 GHz 1 MB 8 85.3 Watt

   Opteron 850 HE 1 / 1 2.4 GHz 1 MB 8 54.7 Watt

   Opteron 152 (rev. E4, socket 940) 1 / 1 2.6 GHz 1 MB 1 92.6 Watt

   Opteron 252 1 / 1 2.6 GHz 1 MB 2 68 Watt

   Opteron 252 1 / 1 2.6 GHz 1 MB 2 92.6 Watt

   Opteron 852 1 / 1 2.6 GHz 1 MB 8 68 Watt

   Opteron 852 1 / 1 2.6 GHz 1 MB 8 92.6 Watt

   Opteron 254 1 / 1 2.8 GHz 1 MB 2 68 Watt

   Opteron 254 1 / 1 2.8 GHz 1 MB 2 92.6 Watt

   Opteron 854 1 / 1 2.8 GHz 1 MB 8 68 Watt

   Opteron 854 1 / 1 2.8 GHz 1 MB 8 92.6 Watt

   Opteron 256 1 / 1 3 GHz 1 MB 2 92.6 Watt

   Opteron 856 1 / 1 3 GHz 1 MB 8 92.6 Watt

AMD Opteron family, K8 micro-architecture, Other sockets

   Opteron 152 (rev. E4, socket 939) 1 / 1 2.6 GHz 1 MB 1 104 Watt

   Opteron 154 1 / 1 2.8 GHz 1 MB 1 104 Watt

   Opteron 156 1 / 1 3 GHz 1 MB 1 104 Watt

Other families, K8 micro-architecture, Socket 940

   Dual-Core Opteron 285 (OST) 2 / 2 2.6 GHz 2 MB 2 68 Watt

   Dual-Core Opteron 285 SE 2 / 2 2.6 GHz 2 MB 2 119 Watt

   Dual-Core Opteron 885 (OST) 2 / 2 2.6 GHz 2 MB 8

   Dual-Core Opteron 885 (95W) 2 / 2 2.6 GHz 2 MB 8 95 Watt

   Dual-Core Opteron 290 2 / 2 2.8 GHz 2 MB 2 95 Watt

   Dual-Core Opteron 890 2 / 2 2.8 GHz 2 MB 8 95 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)

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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 extensions Additional instructions

MMX CLFLUSH

AMD extensions to MMX CMOV

3DNow! CMPXCHG8B

Extensions to 3DNow! FXSAVE/FXRSTORE

SSE SYSCALL/SYSRET

SSE2 SYSENTER/SYSEXIT

SSE3

Major features Other 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)

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Last modified: 14 May 2013