How to low-level format entire drive, including partition map?

Hi everyone,
I have an OWC-supplied, 80 GB, ATA hard drive (OWC Neptune), which originally shipped in an external, FireWire 400 case. The drive stopped working; disassembly of the case led to the discovery of a burned trace on the Oxford bridge. While the bare drive itself has no manufacturer name, its label style and model number listed on the drive clearly show it to be a Maxtor 6Y080L0, 80 GB.
Having removed the drive and installed it into a test Power Mac G4, the physical drive is recognized by Disk Utility (albeit with no partitions, mounted or otherwise). The drive emits "normal" power and spin-up sounds, with no clicking or other sounds that might normally indicate a failed drive. However, Disk Utility is unable to actually partition the drive—when attempted, the "Creating Partition" progress bar advances to about 1/8 of the way across, then moves no further (even if many hours are allowed to pass). Console reveals nothing as to what is stopping the format.
Moving further, I attempted to blow away the partition map with pdisk, but encountered several read errors in the partition map itself. I even went so far as to attempt to "build" a partition map, one partition at a time, based on the settings I found on an identical drive that is functioning properly. Although this seemed semi-successful, attempting to write the partition table again resulted in a couple of errors.
pdisk: Unable to write block 8 (Input/output error)
pdisk: Unable to write block 9 (Input/output error)
pdisk: Unable to write block 10 (Input/output error)
pdisk: Unable to write block 11 (Input/output error)
While it's entirely possible that the blown component on the FireWire bridge might have also taken out the drive, I'm not a big believer in coincidence and my thought is that the trace blew during an access of the partition map, corrupting it to the point that only a low-level format of that portion of the drive can potentially salvage it. There is no data on the hard drive I am worried about losing, but I'm not one to easily say "die" and so I'd like to be able to restore this drive to functionality, if at all possible.
So after setting the table for you here, my questions are as follows:
1. Is there any way to low-level format an entire drive that does not have a readable partition map? In essence, effectively returning the drive to something resembling an out-of-box, unformatted state? CLI is fine, and I'm even open to trying to throw the thing in a PC box, install Yellow Dog Linux so as to have GUI access to pdisk, etc.
2. Does anyone have any other suggestions for me regarding this matter?
Thanks much for the time,
MBJ

Thanks to all for the suggestions. I'm about to give up on it, although I will try the PowerMax software recommended by Michael Black.
And The hatter: Don't let this burn you on Neptune drives—one of my client offices has been using about 20 of them for the past couple of years now, on a daily basis, for large-scale imaging projects, and the little drives have been real champs. We're even using them to dual-boot both Intel- and PPC-based systems, and they've just been outstanding. Methinks the component failure probably cascaded down to the drive, and while yes, it *****, such things happen in any batch of components and I'd buy another Neptune today if I had the need for yet another external.
As for Matt Broughton: S.M.A.R.T. shows no problems when the drive is connected directly to the ATA bus. But then again, I've only run into a few drives that S.M.A.R.T. has ever reliably reported on—it's still a black art, to be sure. The WikiPedia article on S.M.A.R.T. goes into more detail about its pervasive flakiness.
For now, the drive has begun to beep about once every 2 seconds at boot. This lasts for about 30 seconds, after which the drive continues to spin but no further beeping is heard. The drive no longer shows up in Disk Utility, even as an unmounted drive/volume. So, I'll probably try it in a PC w/PowerMax just to say that I did, but beyond that, it's probably ready for disassembly as an example drive.
80 GB—sniffle…
Thanks again to all for your suggestions!
Take care,
MBJ

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