File:Robotron K2521 (012-7100) ZRE.jpg

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English: CPU board K 2521 for the microcomputer system K 1520, manufactured by VEB Kombinat Robotron
Deutsch: Zentrale Recheneinheit (ZRE) Robotron K 2521 für das Mikrorechnersystem K 1520:
  • entwickelt ca. 1979, abgebildete Leiterplatte hergestellt Anfang 1990 nach den Produktionsdaten auf den Schaltkreisen, deren jüngster im Dezember 1989 (Code XD) hergestellt wurde
  • CPU MME UB 880 D (entspricht Zilog Z80) mit 2,4576 MHz Takt, dazu PIO (UB 855 D) und CTC (UB 857 D)
  • drei Sockel für EPROM 1k x 8bit (im Bild unbestückt), RAM 1k x 8bit (8x KR565RU2)
  • Preis 1993,20M, später 500M (nach [1])
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Author Drahtlos

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current22:28, 7 November 2020Thumbnail for version as of 22:28, 7 November 20202,804 × 2,284 (2.47 MB)Drahtlos (talk | contribs)Uploaded own work with UploadWizard

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