ND320
ND320 is the product number of the Tandberg TDV 2200/9 S terminal.
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EPROMs
The mainboard contains three EPROMS: U32 (2764), U63 (27128A) - character generator and U93 (27128A). If this terminal follows the previous ones in the TDV 2200-series, one EPROM contains the emulator, while the rest (one or two) contains primitives. For this terminal it is unknown which of U32 and U93 is emulator / primitives. Dumps are available[1]. sebras has made a python script to extract the font from the character generator dump and convert it to an image, see sebras/norsk-data-vdu-301-s[2] on Github.
U32
U63
U93
Pictures
Pictures of the terminal.
labels on the back
bottom label 1
bottom label 2
Keyboard pictures
another ND320 keyboard
Pictures of the inside.
mainboard, seen from back of terminal
Pictures of the mainboard
Configuration screens. Hold down Ctrl and press "HELP" twice.
configuration menu
convenience switches
function switches
communication switches
PUSH-key menu
tabulation rack
exit menu
Font used by terminal
ND 320 with Graphics option, pictures by Frodevan[3].
mainboard, component side
mainboard, solder side
graphics board, component side
grephics board, solder side
Resources
The Github repository Supermagnum/Tandberg[4] contains more ROM dumps for this terminal.