1.4.7.3 - Norsk Data - Magnetic tape and streamer drives

Description

• Archive Viper 2150 SCSI (SE) streamer tape drive
• Capasity 155 MB using a standard DC 6150 tape
• Mounted on the streamer board ND-324916 when used in the David cabinet
• Manuals related to this device
• Main PCB size 190 x 118 mm, 3 layers
• Motor PCB size 88 x 43 mm, 2 layers
• Release date xx. xxx. xxxx

Chipset

• 21247-005 (CS:1849) or
  21247-011 (CS:B749) or
  25066-001 (CS:8521) - Microprogram
• Archive 20919-002
• AMD8031 or
  SCN8031 - Microcontroller
• NCR 20860-001
• SMS 20508C
• BB81464 or
  D41464 - DRAM x 3 pieces

LEDs

• Access (green)
• ? (red)

Straps

• Strap block rear view:

  SER	CF2	ID2
  DIA	CF1	ID1
  PEN	CF0	ID0

• SER - Serial port (RxD/TxD) - ND default not connected
• DIA - Diagnostic mode - ND default open
• PEN - Parity Enable - ND default closed
  Maximum data transfer size in bytes
• CF2 - ND default closed
• CF1 - ND default open
• CF0 - ND default closed

  CF2	CF1	CF0	Value	Data size
  open	open	open	0	2 KB
  open	open	closed	1	4 KB
  open	closed	open	2	6 KB
  open	closed	closed	3	8 KB
  closed	open	open	4	12 KB
  closed	open	closed	5	16 KB
  closed	closed	open	6	24 KB
  closed	closed	closed	7	32 KB

  SCSI identification
• ID2 - ND default open
• ID1 - ND default open
• ID0 - ND default closed

Switches

• None

Connectors

• SCSI bus
• Terminator resistors
• Power