Type       : LAB8/E
Manufacturer: DEC (Digital Equipment Corporation)
Year   : 1971
Technology   : TTL-ICs
            Kernspeicher 4K-32K Worte (12Bit)
Price     : ca DM 250000.-

On the top the frontpanel of the CPU.
The machine is switched on, the starting adress for the OS/8 operating 
system is entered via the switch-registers. 
Then just press the START-key to begin.

Another thing: Who identifies the keychain? It is a 68030-chip