Quantum Atlas 1 & Saturn SCSI Hard Drives

Atlas1 PC Board

TE: Drive Termination
Jumpered: Enable Termination
Open: Disable Termination

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

J3 Front Option Conn.
Front Option Connector - J3

(J3,1-6): SCSI ID
(1/2): A0 (1)
(3/4): A1 (2)
(5/6): A2 (4)

(7): Fault LED
(9): Activity LED
(11): +5v Output

(13/14): Spin Delay
Jumpered: Disable Spin Delay
Open: Enable Spin Delay

(15): Reserved
(17): Write Protect
(19): Spindle Sync

J3 - All Even Pins: Ground


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