AMD Opteron 254 - OSA254FAA5BL (OSA254BLBOX / OSA254BLWOF)
Specifications
| General information | |
| Type | CPU / Microprocessor |
| Market segment | Server |
| Family | AMD Opteron |
| Model number ? | 254 |
| CPU part numbers | OSA254FAA5BL is an OEM/tray microprocessor OSA254BLBOX is a boxed microprocessor OSA254BLWOF is a boxed microprocessor |
| Stepping codes | AABYE CAB1E |
| Frequency ? | 2800 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 |
|
| Multiprocessing | Up to 2 processors |
| Features |
|
| Low power features |
|
| On-chip peripherals |
|
| 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 OSA254FAA5BL | |
| |
CPUs, related to AMD Opteron 254
| Model | Cores / Threads |
Freq. | L2 cache |
Multi- processing |
TDP | Features |
|---|---|---|---|---|---|---|
| AMD Opteron family, Socket 940 | ||||||
| AMD Opteron 152 (rev. E4, socket 940) | 1 / 1 | 2.6 GHz | 1 MB | 1 | 92.6 Watt | |
| AMD Opteron 252 | 1 / 1 | 2.6 GHz | 1 MB | 2 | 68 Watt | |
| AMD Opteron 252 | 1 / 1 | 2.6 GHz | 1 MB | 2 | 92.6 Watt | |
| AMD Opteron 852 | 1 / 1 | 2.6 GHz | 1 MB | 8 | 68 Watt | |
| AMD Opteron 852 | 1 / 1 | 2.6 GHz | 1 MB | 8 | 92.6 Watt | |
| AMD Opteron 254 | 1 / 1 | 2.8 GHz | 1 MB | 2 | 68 Watt | |
| AMD Opteron 854 | 1 / 1 | 2.8 GHz | 1 MB | 8 | 68 Watt | |
| AMD Opteron 854 | 1 / 1 | 2.8 GHz | 1 MB | 8 | 92.6 Watt | |
| AMD Opteron 256 | 1 / 1 | 3 GHz | 1 MB | 2 | 92.6 Watt | |
| AMD Opteron 856 | 1 / 1 | 3 GHz | 1 MB | 8 | 92.6 Watt | |
| AMD Opteron family, K8 micro-architecture, Other sockets | ||||||
| AMD Opteron 146 (rev. E4, socket 939) | 1 / 1 | 2 GHz | 1 MB | 1 | 67 Watt | |
| AMD Opteron 148 (rev. E4, socket 939) | 1 / 1 | 2.2 GHz | 1 MB | 1 | 85.3 Watt | |
| AMD Opteron 150 (rev. E4, socket 939) | 1 / 1 | 2.4 GHz | 1 MB | 1 | 85.3 Watt | |
| AMD Opteron 152 (rev. E4, socket 939) | 1 / 1 | 2.6 GHz | 1 MB | 1 | 104 Watt | |
| AMD Opteron 154 | 1 / 1 | 2.8 GHz | 1 MB | 1 | 104 Watt | |
| AMD Opteron 156 | 1 / 1 | 3 GHz | 1 MB | 1 | 104 Watt | |
| Other families, K8 micro-architecture, Socket 940 | ||||||
| AMD Dual-Core Opteron 285 (OST) | 2 / 2 | 2.6 GHz | 2 MB | 2 | 68 Watt | |
| AMD Dual-Core Opteron 285 SE | 2 / 2 | 2.6 GHz | 2 MB | 2 | 119 Watt | |
| AMD Dual-Core Opteron 885 (OST) | 2 / 2 | 2.6 GHz | 2 MB | 8 | ||
| AMD Dual-Core Opteron 885 (95W) | 2 / 2 | 2.6 GHz | 2 MB | 8 | 95 Watt | |
| AMD Dual-Core Opteron 290 | 2 / 2 | 2.8 GHz | 2 MB | 2 | 95 Watt | |
| AMD 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.
Pictures (1)
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CPU ID (1)
NOTE: 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 254 CPU.
|
|
| General information | |
|---|---|
| Vendor: | AuthenticAMD |
| Processor name (BIOS): | AMD Opteron(tm) Processor 254 |
| 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 | |||
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