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

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
(10): Spindle sync
(11): +5v Output

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

(15): Stagger Spin
(17): Write Protect
(19): Spindle Sync

(J3) - 2,4,6,14,16,18,20 Pins: Ground