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I received my 540 meg IBM "raw" hard-drive today (model DHAA2540) from Data Storage Maketing ($565) and I excitedly ran off to install it. Getting the shell open was a little tricky, but it can be done without damage. The form factor for this drive is identical to my old 170 meg drive, but I also found the pins to be offset by about 1/2 the inter-pin spacing relative to the old drive. The cable is set up such that it is impossible (I think) to get it in wrong. Some scrunching was required to get everything back together, but it all fit. I booted on a: and tried fdisk. The computer only saw 11 megs of drive (all formatted). I looked through every shred of documentation I had, and found noplace where it is described how disk parameters can be set in cmos. EasySetup has no hard-drive entry, so I assume that the thinkpad (tp750) is supposed to autodetect. I ran the low level format program (against the recommendations of my local guru... maintainance disk v. 1.10) and it happily re-formatted 11 megs (23 cyl. 16 head), but refused to recognize the existence of any more disk space. I gave up and re-installed the original disk, which works like nothing happened (thank god!). From peoples description, this sounded like a pretty fool-proof process, which makes me feel pretty dumb, because I'm at a loss. I have three theories: 1) the drive is screwed up. (unlikely) 2) stresses due to the pin-offset is messing up a contact somewhere. preventing drive parameters from being read. (unlikely) 3) there is a setup program which I don't know about. (most likely) If anybody has any suggestions, I would appreciate it if they would send them to me quickly. I'm beginning to lose my nerve :). -Victor Kress ---------------------------------------------------------- Victor Kress Carnegie Institution of Washington, Geophysical Laboratory 5251 Broad Branch Road N.W. Washington, D.C. 20015-1305 (202)686-2410 x2489 ----------------------------------------------------------