Quantum Atlas 1 & Saturn Wide & Wide Differential SCSI Hard Drives

Atlas 1 WideSCSI PC Board

TP: Termination Power
Jumpered: Enable Term. Power
Open: Disable Term. Power

Note: Differential drives do not have a TP (Term.Power) jumper.

J3 Front Jumper
Front Option Connector - J3

(1/2): Spin Delay
(3): (Reserved)
(5): Spindle Sync
(7): Write Protect
(9): (Reserved)
(11): Busy LED
(12): (Reserved)
(13): +5vDC out
(14): Fault LED

(2,6,8,10): Ground


Rear Jumper Option
Rear Option Connector

SCSI ID
(1): A0 (1)
(3): A1 (2)
(5): A2 (4)
(7): A3 (8)

(2): Fault LED
(8): Activity LED
(9): Enable Termination
(11): +5v Output
(12): (Reserved)

(4,6,10): Ground

Note: Differential drives do not support on-board termination. Termination must be supplied by the Bus.


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