3020: Difference between revisions
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==I/O Devices on the card== | ==I/O Devices on the card== | ||
none? | none? | ||
== ECO == | |||
Here is a list of known ECO's (Engineering Change Order) for this card. | |||
* ECO 100-771 - Wrong data is written to tape due to short pulse BUDAT-1<ref name="ECO">sintran.com, Norsk Data library, ECO [http://sintran.com/sintran/library/libeco/libeco.html]</ref> | |||
==Reference== | ==Reference== | ||
*{{ND-doc|06.015.02}} | *{{ND-doc|06.015.02}} | ||
Latest revision as of 15:04, 10 January 2020
3020 is the STC magtape controller.
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This article is a stub. You can improve NDWiki by expanding it. |
Introduction
What does it do?
Switches and indicators
Indicators, from top of the card
- Error - red LED - indicating an error
- RFT - green LED - ready for transfer
- RDYS - green LED - ready status from formatter - selected drive is ready
- HDENS - yellow LED - high density 6250 BPI (CGR)
- DMAIN - yellow LED - DMA input - read from magtape
- DMAOUT - yellow LED - DMA output - write to magtape
Device number thumbwheel switch
- 2 - Magtape system 1, device no. 520, Ident 3
- 3 - Magtape system 2, device no. 530, Ident 7
Other positions are unused.
Connectors
The A and B connectors are used for I/O, the C connector is used for the ND-100 Bus.
I/O Devices on the card
none?
ECO
Here is a list of known ECO's (Engineering Change Order) for this card.
- ECO 100-771 - Wrong data is written to tape due to short pulse BUDAT-1[1]
Reference
- Norsk Data Document ND–06.015.02 ND-100 FUNCTIONAL DESCRIPTION
- Norsk Data Document ND–30.008.3 EN ND-100 Hardware Maintenance