Replacement hard drive for Thinkpad T21

RoamDog

Member
Dec 28, 2004
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I just inherited a used T21. I opened it up and see that it has a 20GB HD. I'd like to replace that with a 120GB HD. The userguide shows a maximum 60GB HD from IBM. Is this the maximum size HD that a T21 will take? If not, what 3rd party HDs will work? I see that the Toshiba MK1234GAX - hard drive - 120 GB - ATA-100 has gotten good reviews. Will that work? If not, will any 120GB HD?
Also, I have not tried to fire it up yet, but am guessing that I may have a CMOS battery problem. Where can I buy replacement CMOS batteries? Are these model specific? Thinkpad brand specific? Laptop category specific? Or totally generic?
Next round of questions will deal with installing XP. :)