Sound Devices Supported : Tandy / PCjr
One of the evolutionary steps IBM took was embedding sound capabilities into the PCjr. The PCjr contained the TI-SN76496 3-voice sound chip, which could also produce a fourth noise channel.
Most Tandy 1000 models have this chip as well, as they were clones of the PCjr.
Tandy / PCjr is part of the Sound Devices Supported category.