Does anyone know what this keyboard adapter is for?

[Glen Slick]

> Looks just like the one used by HP 715 PA-RISC Workstations (I've got a bag of
> 10 or so)
> 
> Peter Wallace

That looks like the right answer.

Series 700 Model 715 Workstations: Service Handbook
http://h20000.www2.hp.com/bc/docs/support/SupportManual/lpv37699/lpv37699.pdf

HP-HIL Connector

Model 715/C, 715/33, 715/50, and 715/75 workstations are equipped with
an HP-HIL connector, which provides an interface for the system's
keyboard, mouse, and other optional HIL input devices. Consult the
documentation that accompanies each input device for specific
information concerning its use.

10-Pin Modular Jack

Model 715/64, 715/80, 715/100, and 715/100XC workstations are equipped
with a 10-pin modular jack. A Keyboard Adapter Module attaches to this
connector by means of a special cable shipped with the unit. The
Keyboard Adapter Module includes two mini-DIN connectors and an HP-HIL
connector. The mini-DIN connectors provide an interface for a AT-style
keyboard and other mini-DIN input devices.  The HP-HIL connector
provides an interface for an HP keyboard, mouse, or other optional HIL
input devices. Consult the documentation that accompanies each input
device for specific information concerning its use.