Seagate BARRACUDA 4 Family Installation Manual page 46

44 Barracuda 4 Installation Guide, Rev. E
Other applicable jumper options
Other option jumpers are available as illustrated in
Figures 19 and 20.
Power J4
Connector
Write Protect option (WP)
Write Protect = On (disables writing).
Write Protect = Off
(enables writing – default).
Reserved (RES)
Reserved for future use.
Remote LED Connector*
Pin 9 (top pin) is negative (cathode),
Pin 10 (bottom pin) is positive (anode).
*Note to subsystem designers: In Europe, a red LED
indicates an error or warning condition. For this reason,
you may want to use a color other than red with this
connection.
Figure 19. Additional jumper options
Pin 1
J01
RES RES WP
J4
Pin 1
J5
J5