Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54, TMP82C54P, CA82C54]) has been associated to Chip doc#4352 by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54, TMP82C54P, CA82C54]) has been associated to Chip alias#7663 (Tundra Semiconductor CA82C54) by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54, TMP82C54P]) has been associated to Motherboard#22397 (Sergey Kiselev Micro 8088) by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54, TMP82C54P]) has been associated to Motherboard#22396 (Sergey Kiselev Sergey's XT) by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54, TMP82C54P]) has been associated to Chip alias#7390 (Toshiba TMP82C54P) by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54, TMP82C54P]) has been associated to Chip image#7562 by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54]) has been associated to Motherboard#21281 (Olivetti M24SP BA801/BA177) by evasive

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54]) has been associated to Motherboard#21247 (IBM AT (TYPE 5170, TYPE 3) (68X3832)) by ronnyroy

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54]) has been associated to Chipset#1997 ((multiple brand) D-11 (8086/V30) [[unknown] D-11, Intel 8254, Intel 8237A, Intel 8259A]) by i387DX

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54]) has been associated to Chip alias#6061 (Intel P82C54) by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54]) has been associated to Chip alias#6060 (Intel P8254) by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054, P8254, P82C54]) has been associated to Chip image#4968 by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054]) has been associated to Chip image#4648 by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054, uPD71054]) has been associated to Chip alias#5811 (NEC uPD71054) by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54, CXQ71054]) has been associated to Chip alias#5810 (Sony CXQ71054) by helencroft

Chip#2581 (Intel 8254 (Programmable Interval Timer) [VL82C54A, UM82C54, KS82C54A, CS82C54]) has been associated to Chip image#3575 by helencroft