Difference between revisions of "DR11 parallel interface"

From Computer History Wiki
Jump to: navigation, search
m (Avoid redirs)
(clarify)
 
(12 intermediate revisions by 2 users not shown)
Line 1: Line 1:
The '''DR11s''' were a series of parallel interfaces for the [[UNIBUS]] and [[QBUS]]. Some used [[Direct Memory Access|DMA]], others were [[programmed I/O]]. They included, for the UNIBUS:
+
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, [[DEC card form factor|quad]] [[Small Peripheral Controller|SPC]] slot
+
They included:
 +
 
 +
* [[DR11-A General Device Interface|DR11-A]]: [[programmed I/O]], [[DEC card form factor|dual]] card (in quad [[Small Peripheral Controller|SPC]] slot)
 
* [[DR11-B parallel interface|DR11-B]]: DMA, 4-slot [[system unit]]
 
* [[DR11-B parallel interface|DR11-B]]: DMA, 4-slot [[system unit]]
* DR11-C: single-board replacement for the DR11-A
+
* [[DR11-C general device interface|DR11-C]]: quad single-board replacement for the DR11-A
* DR11-W: [[DEC card form factor|hex]] single-board replacement for the DR11-B
+
* [[DR11-K parallel interface|DR11-K]]: hex board with similar functionality to the DR11-C, more robust user device interface
 
+
* [[DR11-L general-purpose interface|DR11-L]]: double input-only
and for the QBUS:
+
* [[DR11-M general-purpose interface|DR11-M]]: double output-only
 +
* [[DR11-W Direct Memory Access Interface|DR11-W]]: hex single-board replacement for the DR11-B
  
* DRV11: as for the DR11, on a [[DEC card form factor|dual]] card
+
<!--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
+
==See also==
* DRV11-B: DMA, quad card, 18-bit DMA addresses
 
* DRV11-WA: DMA, dual card, 22-bit DMA addresses
 
  
There is also a DRV11-C (M8040), but little is currently known about it.
+
* [[DRV11 parallel interface]]
  
All use the same interface, except the DRV11-J, which for space reasons uses a different header on the card.
+
{{disambiguation}}
  
[[Category:UNIBUS Peripherals]]
+
[[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

This disambiguation page lists articles which all may be referred to by the title term.
If an internal link led you here, you may wish to change the link to point directly to the intended article.