Chip#2644 ((multiple brand) 6818 [VL82C018, MC146818, KS82C6818, HD146818, HM6818P]) has been associated to Chipset#257 (IBM AT chipset [(multiple brand) 8042, Intel 82284, Intel 82288, Intel 8237A, Intel 8254, Intel 8259A, Texas Instruments SN74LS612N, (multiple brand) Discrete Logic, (multiple brand) 6818]) by helencroft

Chip#2644 ((any brand) 6818 [VL82C018, MC146818, KS82C6818, HD146818, HM6818P]) has been associated to Chip image#3758 by helencroft