deskthority

emdude is correct. This is a 42H1292 bottom half, with an OEM-prepped top half wearing IBM branding. Remember that IBM, Unicomp, and Maxiswitch did ODMing of the M's for a variety of companies. Note the rectangular cutout top left. That's for the OEM badge.

This keyboard was likely assembled ...

So not every 42H1292 has the usual oval logo in the upper left corner?
I just thought this one was peculiar, since I've never seen the IBM logo inside the lock light panel. Usually you'd find the Unicomp logo there in later models.

Hello, everyone!
I've run into a bit of a puzzle trying to identify this Model M: http://i.ebayimg.com/images/g/yGIAAOSwWntXNJJ~/s-l1600.jpg

It was advertised as a 42H1292, but I thought that model always had the IBM logo in the top left in an oval. Wikipedia says that the only model with a logo ...