AMD Athlon 64 FX-51 - ADAFX51CEP5AT (ADAFX51BOX)

CPU Information


First Athlon 64 FX processors, like this one, were packaged in 940-pin ceramic micro-Pin Grid Array package, and required socket 940 motherboards. Not only these motherboards were more expensive than socket 754 motherboards needed for early desktop Athlon 64 processors, the FX processors also required more expensive registered (buffered) memory. Combined with high prices of Athlon 64 FX processors, this resulted in high prices of socket 940 Athlon 64 FX systems.

General information
TypeCPU / Microprocessor
FamilyAMD Athlon 64 FX
Model number  ? FX-51
Part numberADAFX51CEP5AT
Stepping codeCAAPC
Frequency (MHz)  ? 2200
Package940-pin lidded ceramic microPGA
1.57" x 1.57" (4 cm x 4 cm)
SocketSocket 940
 
Architecture / Microarchitecture
Processor coreSledgeHammer
Manufacturing process0.13 micron SOI
Data width64 bit
Number of cores1
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 memory (TB)256
Features
  • MMX technology
  • SSE
  • SSE2
  • AMD64 technology  ? 
  • Enhanced Virus Protection  ? 
Low power features
  • System management mode
  • Halt state
  • Stop Grant state  ? 
On-chip peripherals
  • Dual-channel DDR SDRAM memory controller
  • One 16-bit HyperTransport link with speeds up to 800 MHz
 
Electrical/Thermal parameters
Max operating temperature (°C)  ? 70
Thermal Design Power (W)  ? 89
 
Notes on AMD ADAFX51CEP5AT
  • ADAFX51CEP5AT is an OEM/tray processor
  • ADAFX51BOX is a boxed processor
  • Core revision CG

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