1.9 - Norsk Data glossary

• SCSI
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• SCSI DL
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  Small Computer System Interface using a differential bus. A DL bus can be longer than the SE bus and are not so vulnerable to noise, typical used for an external file storage cabinet.
• SCSI ID - SCSI identification
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  Identifies a device on the SCSI bus. See table below for standard SCSI ids used by ND.
  

  ID2	ID1	ID0	SCSI id	Comment
  ID4	ID2	ID1
  open	open	open	0	System (boot) disc drive
  open	open	closed	1	Backup streamer drive
  open	closed	open	2	Backup GTS streamer drive
  open	closed	closed	3
  closed	open	open	4
  closed	open	closed	5
  closed	closed	open	6
  closed	closed	closed	7	SCSI controller

• SCSI SE
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  Small Computer System Interface using single ended bus. An SE bus can not be very long (less than 6 meters) and may be vulnerable to noise, typical used for devices within the same cabinet.
• SMD - Storage Module Device
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• SR - Floppy jumper
  Drive Ready is the output signal of interface pin 34.
• SRAM - Static Random Access Memory
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This page was last updated 27. Jan. 2025
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