Terry Stewart (tezza) talks about vintage/classic computers in his collection: he IBM PS/2 Model 30-286 and Model 70. Further description can be seen here: https://www.classic-computers.org.nz/... and here: https://www.classic-computers.org.nz/.... This video replaces an earlier copy which had very poor audio. See the View Numbers and Comments before the refresh at https://www.classic-computers.org.nz/...