Motherboard#4156 (PC CALC, INC. AT-TURBO 286 1800) has been dissociated from Chip#2576 (Intel 8042 [8242, 8742]) by helencroft

Motherboard#4156 (PC CALC, INC. AT-TURBO 286 1800) has been associated to Chip#558 ((multiple brand) 8042 (Keyboard Controller) [VT82C42N, W83C42, AMIKEY™-2, HT6542]) by helencroft