These pills may be
Glyburide 3mg (generic for Glynase Press-Tab) by Mylan.
Imprint: M 125
Description: Lt. Yellow, Scored, Oval
They are actually described as light yellow - there is an image on the Mylan website at mylan.com if you want to take a look and see if they match up.
Info at
http://glyburide.drugs.com