Thanks for your help everyone, it is the 867mhz version :)
Now i just need to sort out a 54g compatible Airport or PCMCIA wireless card, changing over the 2 x 256mb ram mdules for 2 x 512mb and upgrading the Mac OS 10.3.X "Panther" to Mac OS 10.4.X "Tiger"
Sorry rhisiart but i don't think...