Patent ID: 7368932

Claim:
A testing device for testing a printed circuit board comprising: a testing signal converting module for receiving testing signals from the printed circuit board and outputting the testing signals and a plurality of I/O control signals to a plurality of testing circuits, the testing signals comprising a BIOS signal, an audio signal and a floppy signal; a BIOS testing and upgrading circuit for testing the BIOS signal of the printed circuit board according to a first control signal and updating the BIOS according to a sixth control signal; an audio testing circuit for testing audio quality comprising a line out/line in circuit for a output/input test, a hp-mic circuit for a headphone and microphone circuit and a speaker-cd-in circuit for a speaker/cd test; and a floppy switching circuit for testing a read/write function and a write-protect function of a floppy signal according to a fifth I/O control signal.