Difference between revisions of "DR11 parallel interface"

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The '''DR11s''' were a series of parallel interfaces for the [[UNIBUS]] and [[QBUS]]. Some used [[DMA]], others were [[programmed I/O]]. They included, for the UNIBUS:
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The '''DR11s''' were a series of [[parallel interface]]s for the [[UNIBUS]]. Some used [[Direct Memory Access|DMA]], others were [[programmed I/O]].
  
* DR11 (sometimes called the DR11-A): programmed I/O, [[quad]] [[SPC]] slot
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They included:
* DR11-B: DMA, 4-slot [[system unit]]
 
* DR11-C: single-board replacement for the DR11-A
 
* DR11-W: [[hex]] single-board replacement for the DR11-B
 
  
and for the QBUS:
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* [[DR11-A General Device Interface|DR11-A]]: [[programmed I/O]], [[DEC card form factor|dual]] card (in quad [[Small Peripheral Controller|SPC]] slot)
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* [[DR11-B parallel interface|DR11-B]]: DMA, 4-slot [[system unit]]
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* [[DR11-C general device interface|DR11-C]]: quad single-board replacement for the DR11-A
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* [[DR11-K parallel interface|DR11-K]]: hex board with similar functionality to the DR11-C, more robust user device interface
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* [[DR11-L general-purpose interface|DR11-L]]: double input-only
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* [[DR11-M general-purpose interface|DR11-M]]: double output-only
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* [[DR11-W Direct Memory Access Interface|DR11-W]]: hex single-board replacement for the DR11-B
  
* DRV11: as for the DR11, on a [[dual]] card
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<!--Almost all use the same interface, except the DRV11-J, which for space reasons uses a different header on the card. -->
* DRV11-J: 4 DRV11's on a dual card
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==See also==
* DRV11-B: DMA, quad card, 18-bit DMA addresses
 
* DRV11-W: DMA, dual card, 22-bit DMA addresses
 
  
All use the same interface, except the DRV11-J, which for space reasons uses a different header on the card.
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* [[DRV11 parallel interface]]
  
{{PDP-11}}
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{{disambiguation}}
  
[[Category:UNIBUS Peripherals]]
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[[Category: UNIBUS Parallel Interfaces]]
[[Category:QBUS Peripherals]]
 

Latest revision as of 22:02, 14 December 2021

The DR11s were a series of parallel interfaces for the UNIBUS. Some used DMA, others were programmed I/O.

They included:

See also

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