1.4.7.2 - Norsk Data - Magnetic and optical disc drives

Description

• Seagate ST41600ND
• Capacity 1.4 GB formatted, 1.6 GB unformatted
• This disk has actually been used on the GTI system as VOL-1-13, ONLINE-SPEIL-2, with SCSI ID 0
• Main PCB size 193 x 140 mm
• Motor PCB size 78 x 64 mm
• Release date xx. xxx. xxxx

Chipset

• 7052 6754
• 7052 9023
• 7077 1013 or
  7077 1037
• 7077 1014 or
  7077 1038
• 80C186
• EMULEX 2400012 or
  NCR 53C90B
• TMS70C02

LEDs

• Access (red)

Straps

• Strap block J1, rear view:
  • Spinup delay (10 sec * ID), ND default open
  • Motor start option enable, ND default open
  • Parity check disable, ND default open
  • Sweep cycle enable, ND default closed
• Strap block J2, rear view:
  • SCSI ID4 - ND default open
  • SCSI ID2 - ND default open
  • SCSI ID1 - ND default open
    SCSI identification
  • Write protect option enable, ND default open
  • Master off/Slave on - spindel sync., ND default open
• Strap block J3, rear view:
  • Spindle sync 4, ND default open
  • Spindle sync 2, ND default open
  • Spindle sync 1, ND default open
• Strap block TP

  4	3	Initiator supplies power over the SCSI bus for terminators. Drive supplies no terminator power. ND default closed.
  2	1
  4	3	Drive supplies power for its own terminator resistors but not to SCSI bus. ND default open.
  2	1
  4	3	Drive supplies power for external terminator at end of the daisy chain. Terminator resistors must be removed. This option is recommended only for last drive on daisy-chain. (This option only on Single-Ended drives). ND default open.
  2	1

Switches

• None

Connectors

• SCSI bus
• Terminator resistors
• Power