http://www.bitsavers.org/pdf/ibm/pc/ps2/PS2_Model_25_Technical_Reference_Jun87.pdf

IBM PS/2 Model 76i
http://john.ccac.rwth-aachen.de:8000/alf/ps2_76i/
http://john.ccac.rwth-aachen.de:8000/alf/ps2_76i/ps2_76i_1_full.jpeg
http://john.ccac.rwth-aachen.de:8000/alf/ps2_76i/ps2_76i_2_full.jpeg

https://gunkies.org/wiki/IBM_PS/2
https://gunkies.org/w/images/5/51/IBM_PS2_print_ad.jpg