Expansion card#8782 (Octagon Systems 5300 Counter/Timer Card) has been associated to Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54]) by helencroft

Expansion card#8782 (Octagon Systems 5300 Counter/Timer Card) has been associated to Chip#2582 (Intel 8255A (PPI) [KS82C55A, CMQ82C55AZ, uPD8255AC, MSM82C55A, uPD71055, CXQ71055]) by helencroft