I just picked one of these up the 1991 catalog describes HP 6954A Features
A Rugged Rack-mountable Test System in a Single Unit Built-in HP 9000 Series 310 or Series 332 Computer. and 20 Megabyte Hard Disc Includes BASIC and HP 14753A CAT Programming Package HP-IB, HP-HIL, RS-232, Audio and Video Interfaces .... Anyone have a manual on this guy ? So far I can't find where the hard drive goes, was it internal or external via GPIB ? BTW mine is older, the CPU is a 310 (98561-66515) -pete