Difference between revisions of "UNIBUS memories"

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'''[[UNIBUS]] memory''' cards are available both from [[DEC]], and from a large number of outside vendors who produced and sold UNIBUS memory cards. All the early UNIBUS memory was [[core]]; the first [[DRAM]]s did not appear until some time after the UNIBUS itself did. The DEC memories were invariably available in both parity, and non-parity, versions.
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'''[[UNIBUS]] memory''' cards are available both from [[DEC]], and from a number of outside vendors who produced and sold UNIBUS memory cards. All the early UNIBUS memory was [[core]]; the first [[DRAM]]s did not appear until some time after the UNIBUS itself did. The DEC memories were invariably available in both parity, and non-parity, versions.
  
 
==DEC==
 
==DEC==
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===Core memory===
 
===Core memory===
  
* [[MM11-L]] - 16-Kbyte
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* [[MM11-L]] - 16-Kbyte (also ME11-L, MF11-L, MM11-S)
* [[MM11-U]] - 32-Kbyte
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* [[MM11-U]] - 32-Kbyte (also MF11-U)
  
 
===MOS memory===
 
===MOS memory===

Revision as of 18:46, 21 February 2016

UNIBUS memory cards are available both from DEC, and from a number of outside vendors who produced and sold UNIBUS memory cards. All the early UNIBUS memory was core; the first DRAMs did not appear until some time after the UNIBUS itself did. The DEC memories were invariably available in both parity, and non-parity, versions.

DEC

Core memory

  • MM11-L - 16-Kbyte (also ME11-L, MF11-L, MM11-S)
  • MM11-U - 32-Kbyte (also MF11-U)

MOS memory

  • MS11 - -E, -F, -H, -J models (8, 16, 24, 32 Kbytes)
  • MS11-L - (64, 128, 192, 256 Kbytes)

Plessey

Core memory

MOS memory