A computer pointing device has a coupling device for coupling to a computer serial bus. In one aspect, a method of fabricating an electromechanical sensor includes the following steps. The first scheduler is configured as a work conserving scheduler shaped at an aggregate rate of active queues of the plurality of queues. A low-bit-rate decoder decodes the low-bit-rate encoded data. The compounds prepared by the method of the invention are useful as monoamine reuptake inhibitors useful for treatment of CNS indications. A single readwrite retry sequences or separate read and write retry sequences may be maintained.