1.4.7.2 - Norsk Data - Magnetic and optical disc drives

Description

• Seagate ST4376N, 94171-376(D).
• Imprimis 94171-344ND.
• CDC 94171-344.
• The labeling is quite confusing on these drives. Different model numbers indicating single ended / differential SCSI bus, but the data (interface) PCB is the same on all drives. A search on the internet also confirms that they are all single ended SCSI devices.
• Capacity 310 MB formatted, 376 MB unformatted.
• Main PCB size 139 x 200 mm
• Interface PCB size 139 x 200 mm
• Motor PCB size 53 x 139 mm
• Release date xx. xxx. xxxx

Chipset

• 75900936 or
  77705384 or
  77746454
• 77705412 or
  77746591
• AMD N80188
• EMULEX 2400010 or
  EMULEX 2400138
• EMULEX 2400126
• SCN8031

LEDs

• Access (red)

Straps

• Strap block J1, rear view:

Switches

• None

Connectors

• SCSI bus
• Terminator resistors
• Power