|Hi, I am the one who sent you the Maint. Disk via your hotmail account.|
IBM says that v1.71 or later can be used for T40, T41 & T42.
The first question I would ask is:
You are not trying to enter the dashes ("-") as part of the System Unit Serial Number?
ex.: Computer with Type 2373-311 and S/N 99 -AVxxx
You would enter 237331199AVxxx
Hope this helps.
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