SL6PF - Averatec HP Compaq Dell Gateway IBM Sony Toshiba Intel Pentium 4 Mobile 2.80 GHz ProcessorSpecs: 2.80Ghz Processor speed 533 Bus speed 512KB L2 CacheCompatible Models:Averatec 6128, Sony PCG-FRV26, PCG-FRV28, PCG-FRV37, PCG-GRT150, PCG-GRT170, PCG-GRT230, PCG-GRT250, PCG-GRT260G, PCG-GRT270, PCG-GRT270G, PCG-GRT35F, PCG-GRT390Z, PCG-GRT390ZP, PCG-K12FP, PCG-K12P, PCG-K13, PCG-K13Q, PCG-K14, PCG-K15, PCG-K15F, PCG-K23, PCG-K23Q, PCG-K24FP, PCG-K25, PCG-K25FToshiba Satellite 1950-801, Satellite 1955-S805, Satellite 1955-S806, Satellite 1955-S807, Satellite 1955-S808, Satellite A20, Satellite A20-S103, Satellite A20-S207, Satellite A20-S208, Satellite A20-S259, Satellite A20-S2591, Satellite A20-SP259, Satellite A20-SP279, Satellite A25-S207, Satellite A25-S208, Satellite A25-S279, Satellite A25-S2791, Satellite A25-S2792, Satellite A25-S307, Satellite A25-S3072, Satellite A25-S308, Satellite A25-SP259, Satellite A25-SP279,Satellite 2450-401, Satellite 2450-S203, Satellite 2450-S303