An ultrasound imaging system is disclosed, including: —;an ultrasound probe including transducers, —;a digital acquisition board including: —;electronic circuits adapted to control the transducers to emit ultrasound waves and to convert signals sensed by transducers into digital data, and —;a real-time sequencer adapted to control the electronic circuits to drive the emission and reception of ultrasound signals, based on working parameters and sequence parameters, and —;a computer connected to the digital acquisition board and including a computer's memory, the parameters being stored in the computer's memory, the digital acquisition board further includes a DMA controller adapted to access the computer's memory in reading and writing by implementation of DMA protocols, and the sequencer is adapted to send requests to the DMA controller to recover the parameters from the computer's memory in real time.