You can use and "Socket S1" AMD Turion Processor with that notebook. Replacing the processor might be your next issue. Besides, what are you trying to do with this notebook that does not supply enough power with the 1.8Ghz processor? It is not really financially reasonable to upgrade this kind of component.
List of processors in the socket S1 category:
"Taylor" (90 nm)
* All models support: MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD-V
Model Number Frequency L2-Cache HT Multiplier1 Voltage TDP Socket Release date Order Part Number
Turion 64 X2 TL-50 1600 MHz 2 × 256 KB 800 MHz 8x 0.8 - 1.10 V 31 W Socket S1 May 17, 2006 TMDTL50HAX4CT
[edit] "Trinidad" (90 nm)
* All models support: MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD-V
Model Number Frequency L2-Cache HT Multiplier1 Voltage TDP Socket Release date Order Part Number
Turion 64 X2 TL-52 1600 MHz 2 × 512 KB 800 MHz 8x 0.8-1.125 V 31 W Socket S1 May 17, 2006 TMDTL52HAX5CT
Turion 64 X2 TL-56 1800 MHz 2 × 512 KB 800 MHz 9x 0.8-1.125 V 33 W Socket S1 May 17, 2006 TMDTL56HAX5CT
Turion 64 X2 TL-60 2000 MHz 2 × 512 KB 800 MHz 10x 0.8-1.125 V 35 W Socket S1 May 17, 2006 TMDTL60HAX5CT
Turion 64 X2 TL-64 2200 MHz 2 × 512 KB 800 MHz 11x 0.8-1.125 V 35 W Socket S1 January 30, 2007 TMDTL64HAX5CT
[edit] "Tyler" (65 nm)
* All models support: MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD-V
Model Number Frequency L2-Cache HT Multiplier1 Voltage TDP Socket Release date Order Part Number
Athlon 64 X2 TK-42 1600 MHz 2 x 256 KB 800 MHz 8x Socket S1
Athlon 64 X2 TK-53 1700 MHz 2 x 256 KB 800 MHz 8.5x 1.075/1.10/1.125 V 31 W Socket S1 August 20, 2007 AMDTK53HAX4DC
Athlon 64 X2 TK-55 1800 MHz 2 x 256 KB 800 MHz 9x 1.075/1.10/1.125 V 31 W Socket S1 Aug 20 2007 AMDTK55HAX4DC
Athlon 64 X2 TK-57 1900 MHz 2 x 256 KB 800 MHz 9.5x 1.075/1.10/1.125 V 31 W Socket S1 2008 AMDTK57HAX4DM
Turion 64 X2 TL-56 1800 MHz 2 x 512 KB 800 MHz 9x 1.075/1.10/1.125 V 31 W Socket S1 May 7, 2007 TMDTL56HAX5DC
Turion 64 X2 TL-58 1900 MHz 2 x 512 KB 800 MHz 9.5x 1.075/1.10/1.125 V 31 W Socket S1 May 7, 2007 TMDTL58HAX5DC
Turion 64 X2 TL-60 2000 MHz 2 x 512 KB 800 MHz 10x 0.8/1.075/1.10/1.125 V 31 W Socket S1 May 7, 2007 TMDTL60HAX5DC
Turion 64 X2 TL-62 2100 MHz 2 x 512 KB 800 MHz 10.5x 1.075/1.10/1.125 V 35 W Socket S1 Jan 21 2008 TMDTL62HAX5DM
Turion 64 X2 TL-64 2200 MHz 2 x 512 KB 800 MHz 11x 1.075/1.10/1.125 V 35 W Socket S1 May 7, 2007 TMDTL64HAX5DC
Turion 64 X2 TL-66 2300 MHz 2 x 512 KB 800 MHz 11.5x 1.075/1.10/1.125 V 35 W Socket S1 May 7, 2007
Jul 10 2007 TMDTL66HAX5DC
TMDTL66HAX5DM
Turion 64 X2 TL-68 2400 MHz 2 x 512 KB 800 MHz 12x 1.075/1.10/1.125 V 35 W Socket S1 December 19, 2007 TMDTL68HAX5DM
This should take care of your question lol.
http://en.wikipedia.org/wiki/List_of_AMD_Turion_microprocessors