That reminds me, I did notice the really weird stabiliser system — like Cherry's on steroids
acid. Very different from what I've got. The trouble with mine is that it's hard to make out the design, and I'd need to desolder them to find out. One of the computers has since died, so maybe one day I'll sacrifice its keyboard (I have a spare anyway).
And there are two mounts for these, but the single picture depicting them is on a site I couldn't contact (dead e-mail addresses etc):http://epartshub.com/company/companyFor...XEA1252000