Just wondering if it's too late to ask for another tool...
The Western Digital WDTLER tool would be nice to have along with othe installation tools -- it's used to enable TLER (Time Limited Error Recovery) on some drives so they can be used on RAID without error-recovery timeout problems.
Higher-end "enterprise" drives have this pre-enabled but consumer "desktop" drives, when supported, don't have it enabled.
Here's some info about the tool, including a couple download mirrors for the [DOS] executable:
To find the downloads, just search keyword WDTLER on that page - there were 2 mirrors that I saw and maybe more