/proc/interrupts

           CPU0       
  0:     604694          XT-PIC  timer
  1:      35746          XT-PIC  keyboard
  2:          0          XT-PIC  cascade
  3:      13546          XT-PIC  orinoco_cs
 11:         15          XT-PIC  ALi Audio Accelerator, Toshiba America Info Systems ToPIC95 PCI to Cardbus Bridge with ZV Support, Toshiba America Info Systems ToPIC95 PCI to Cardbus Bridge with ZV Support (#2), usb-ohci
 14:      38759          XT-PIC  ide0
 15:          1          XT-PIC  ide1
NMI:          0 
LOC:     604683 
ERR:          0
MIS:          0

No, it doesn't come with a builtin orinoco. As I said in the PCMCIA section above, mine is a model without builtin wavelan (although models with wavelan builtin do exist). Since I like wavelan, I bought an ORiNOCO-card myself (and they're pretty damn expensive).