CPU0       
  0:    2567840          XT-PIC  timer
  1:      24228          XT-PIC  keyboard
  2:          0          XT-PIC  cascade
  6:         81          XT-PIC  floppy
  9:        109          XT-PIC  LED on
 10:         84          XT-PIC  LED off
 13:          1          XT-PIC  fpu
 14:      38371          XT-PIC  ide0
NMI:          0

PIC is programmable interrupt controller
(not to be confused with programmable interface controller)
e.g. 8259 device or integrated version thereof.

additionally, 4 is usually serial port (com 1,3 shared)
another needed for com 2,4 (shared)
IRQ 7 usually for parallel port
IRQ 5 usually for additional parallel port