Mémoire à tores, Ordinateur R300 par VEB/RDA, 50x48 (2400 bits)
1969Mémoire de 2400 bits
Jiri Picka explique/explains
The ferrite core memory board is originally from computer R300 made by RFT VEB company in the GDR in year 1969.
Pictures of the core plane:
R300_fm2.jpg
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The size of the board is 16 x 16 cm and it is organized by 50 columns x 48 rows. The board can store 2400 bits. 141.82 KB
R300_fm2-det1.jpg
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More detailed view. Each ferrite core is traversed by four wires in this design.
. 146.70 KB
R300_fm2-det2.jpg
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A detailed view to several cores. The wires have 0.2 mm in diammeter and the cores have 2 mm in diammeter.
This and other detail photos has been made with Canon 3D camera and Sigma APO Macro 180mm lens. .
If you have any further information on this board, do not hesitate to contact me!
Fr
Le texte et les photos
sont de 'Jiri
Picka'. Publiés avec
l'autorisation de l'auteur.
Voir son site www.computyerasylum.co.uk
Voir son site www.computyerasylum.co.uk
(Elles ont
subi un léger traitement: dimension, anti-flou, perspective...)
US
The text and 8 published
photos are
from 'Jiri Picka'.
With his kind permission.
Have a look to his website www.computyerasylum.co.uk
Have a look to his website www.computyerasylum.co.uk
(They have
suffered a slight anti-blur, dimension)
eMail :
2008-09-06
you can take/publish every photos from my WEB site.
Only give there a link to www.computerasylum.co.uk
as original source.
.