The unit consists of a removable disk drive and two removable access panels, front and back. Inside the front access panel are 5 card cages with many circuit boards. On top of the card cage is a control knob. On the top front panel are 3 buttons: white, green and red on the outside. On the blue plastic cover and on a front panel is the same label that reads "DATENFERNDERARBEITUNG". There is a yellow label on the front panel. A label that apparently fell off the objbect is in a plastic bag attached to the object.
Date
1968 ca.
Manufacturer
Siemens
Place Manufactured
U.S.A.
Identifying Numbers
Model number
4004
Silkscreened on the front panel
Other number
135.88.32
Computer Museum Aachen deprecated registation number on an adhered label on left panel of object
Other number
172
Handwritten on a yellow label adhered on the right panel
Other number
3518831-2 REV 4
On a green and white label on the right panel behind the front access panel.
Other number
3518831-2 REV-4
On a black and white label on the right panel behind the front access panel
Other number
564
There are individual number stripes on a holder on the left panel behind the front access panel
Other number
9461-8
On a black and white label on the right panel behind the front access panel
Other number
9461-B14
On a green and white label on the right panel behind the front access panel.
Other number
SP0 68105 A05
On a black and white label on the right panel behind the front access panel.
Part number
41250124
On a black and white label on the right panel behind the front access panel.
Part number
41253607
On a black and white label on the bag behind the front access panel.
Serial number
13333
On a black and white label on the right panel behind the front access panel.
