http://www.hddzone.com/wd-2060771698002-pcb-p-296.html I found this pcb supplier, cheaper with free shipping.

http://www.hddzone.com/ibmhitachi-pcb-c-4.html Here you can find some ibm pcb for sale on hddzone.com In most cases, you should exchange the BIOS chip before you swap hard drive PCB; you can also refer to this article: http://www.hddzone.com/conditions.html Hope this can help.