More Pictures
SF-4000


Running the Calendar function



Unfolded



Side view



Top and back sides



Inside. The all-in-one controller and 32 KB memory chips come from Nec.
Note that 2 serial ports (TX & RX) are available and functioning. A hidden function allows to send and receive data.
Provision is made for a second 32 KB memory chip.



The box


User manual

More Info

See also pictures of its twin brother, the Tandy EC-319.

To donate your old devices and give them a second life in this collection and this website, please send us an email to pdaorga@gmail.com


This is the biggest collection of monochrome electronic organizers, text and graphic PDAs, older brothers of nowadays multimedia handheld devices in the WORLD.
It is located in Europe.

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