AMD Athlon 64 Dual Core TK-57 1.9 GHz CPU AMDTK57HAX4DM Item is used but in excellent working condition. Core is clean General information Type CPU / Microprocessor Family AMD Athlon 64 X2 for Notebooks Model number  ?  TK-57 CPU part number AMDTK57HAX4DM Stepping codes AAA8G   CAABG   NAA8G   NAABG   NAAWG Frequency (MHz)  ?  1900 Package 638-pin lidless micro-PGA 1.38" x 1.38" (3.5 cm x 3.5 cm) Socket Socket S1   Architecture / Microarchitecture Core stepping G2 Manufacturing process 0.065 micron SOI Data width 64 bit Number of cores 2 Floating Point Unit Integrated 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 256 KB 16-way associative exclusive cache Physical memory 1 TB Virtual memory (TB) 256 Features MMX technology 3DNow! SSE SSE2 SSE3 AMD64 technology  ?  Virtualization technology Enhanced Virus Protection  ?  Low power features Power Now! Deeper Sleep state  ?  On-chip peripherals Dual-channel DDR2 SDRAM memory controller One 16-bit HyperTransport link with speeds up to 800 MHz   Electrical/Thermal parameters Maximum operating temperature (°C)  ?  95 Thermal Design Power (W)  ?  31