108 (NORD-1 card): Difference between revisions
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'''108 Register''', is a card that is used in the [[NORD-1]] CPU. | '''108 Register II''', is a card that is used in the [[NORD-1]] CPU. | ||
[[Image:NORD-1 card 108-c.jpg |300px | thumb | Component side.]] | [[Image:NORD-1 card 108-c.jpg |300px | thumb | Component side.]] | ||
[[Image:NORD-1 card 108-s.jpg |300px | thumb | Solder side.]] | [[Image:NORD-1 card 108-s.jpg |300px | thumb | Solder side.]] | ||
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==Introduction== | ==Introduction== | ||
The card is made in the [[standard NORD-1 card format]]. | The card is made in the [[standard NORD-1 card format]]. | ||
It is one fourth of the R, P, X and B registers combined with an adder. This is a central part of the ALU. | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
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* 5 x 7400 | * 5 x 7400 | ||
* 3 x 7451 | * 3 x 7451 | ||
* 8 x | * 8 x 7453 | ||
* 8 x 7474 | * 8 x 7474 | ||
* 2 x 7483 | * 2 x 7483 | ||
Latest revision as of 02:13, 24 July 2016
108 Register II, is a card that is used in the NORD-1 CPU.
 |
This article is a stub. You can improve NDWiki by expanding it. |
Introduction
The card is made in the standard NORD-1 card format. It is one fourth of the R, P, X and B registers combined with an adder. This is a central part of the ALU.
| CPU model | Crate position |
|---|---|
| 29 | C10, C14, C18, C22 |
| 35 | C10, C14, C18, C22 |
The logic diagram is documented in drawing 2A08.[1]
Switches and indicators
There are no switches or indicators on this board.
BOM
This list contains the logic circuits used, passive components are not listed.
- 5 x 7400
- 3 x 7451
- 8 x 7453
- 8 x 7474
- 2 x 7483
Reference
- ↑ HARDWARE MANUAL NORD 1
- Hardware in NORD-1 Serial 47