Motherboard#3998 (Northgate Computer Systems SLIMLINE ZXP) has been associated to Chip#558 ((multiple brand) 8042 (Keyboard Controller) [VT82C42N, W83C42, AMIKEY™-2, HT6542, KYBD, LT38C41]) by helencroft

Motherboard#3998 (Northgate Computer Systems SLIMLINE ZXP) has been associated to Chip#10001 ((multiple brand) MC1489 (RS-232 Receiver) [GD75189, DS1489, SN75189, MC1489, MC1489, KA1489]) by helencroft

Motherboard#3998 (Northgate Computer Systems SLIMLINE ZXP) has been associated to Chip#6139 (Motorola MC145406 (RS-232 Driver/Receiver)) by helencroft