How do i avoid data transfer interruptions, What are channels – Sony VAIO VPCF12 Series User Manual

VPCF12LGX, VPCF121GX, VPCF12HFX, VPCF12YFX, VPCF12FFX, VPCF12MGX, VPCF12PGX, VPCF1290X, VPCF123FX, VPCF12GFX, VPCF12CFX, VPCF12DFX, VPCF12JFX, VPCF12LFX, VPCF12KFX, VPCF12VGX, VPCF125FX, VPCF12THX, VPCF121FX, VPCF122FX, VPCF127FX, VPCF12SGX, VPCF12RGX, VPCF12ZFX, VPCF12XHX, VPCF12QGX, VPCF12BFX, VPCF126FM, VPCF12NGX, VPCF12AFM, VPCF12UGX