Motherboard#6780 (Intel 301 System board (PBA 451213-xxx)) has been associated to Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54]) by helencroft

Motherboard#6780 (Intel 301 System board (PBA 451213-xxx)) has been associated to Chip#2579 (Intel 8237A (DMA Controller) [KS82C37A, VL82C37A, UM8237AE, uPD8237AC, CP82C37A, M5M82C37]) by helencroft

Motherboard#6780 (Intel 301 System board (PBA 451213-xxx)) has been associated to Chip#2657 (Texas Instruments SN74LS612N (Memory Mapper) [VL82C612, UM74HCT612]) by helencroft

Motherboard#6780 (Intel 301 System board (PBA 451213-xxx)) has been associated to Chip#2583 (Intel 8259A (Programmable Interrupt Ctrl.) [VL82C59A, KS82C59A, M82C59A, uPD8259AC, M5L8259AP, CP82C59A, M5M82C59]) by helencroft

Motherboard#6780 (Intel 301 System board (PBA 451213-xxx)) has been associated to Chip#10001 ((multiple brand) MC1489 (RS-232 Receiver) [GD75189, DS1489, SN75189, MC1489, MC1489, KA1489]) by helencroft

Motherboard#6780 (Intel 301 System board (PBA 451213-xxx)) has been associated to Chip#10000 ((multiple brand) MC1488 (RS-232 Driver) [GD75188, DS1488, SN75188, MC1488, MC1488, KA1488]) by helencroft

Motherboard#6780 (Intel 301 System board (PBA 451213-xxx)) has been associated to Chip#4559 ((multiple brand) 6818A [MC146818A, HM6818A, KS82C6818A, M5818, W85C168, M5818P, W85C178, MCCS146818BF]) by helencroft