Figure 12. Option Select Jumper Connectors - Seagate Elite 9 Product Manual

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Figure 12 illustrates ST410800 option select jumper connectors.
J4A
SCSI I/O
Pin 2
Connector
J01
J4B
DC Power
Connector
SCSI ID = 0
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
SCSI ID = 8*
SCSI ID = 9*
SCSI ID = Ah (10)*
SCSI ID = Bh (11)*
SCSI ID = Ch (12)*
SCSI ID = Dh (13)*
SCSI ID = Eh (14)*
SCSI ID = Fh (15)*
Write Protect
Reserved
Terminator Enable
Spindle Sync Cable Connector
LED Connections
Connect the anode to the desired
LED connector and the cathode
to the ground pin.
Active LED connector.
Ready LED connector
Fault LED connector.
Ground
*Applicable only for W- and WD-type drives.

Figure 12. Option select jumper connectors

Elite 9 Product Manual, Rev. C
Pin 4
Pin 3
Pin 1
Note Pin 1 location
J4A
Pin 1 Pin 23
4
J01
2
Terminator Power Option
Internal terminator power source
External terminator power source
Internal terminator power to I/O
J4B
Pin 1
Spinup Delay Option
Immediate spinup (if the
Start Command Option jumper
is disconnected).
Spinup delay equal to the SCSI
bus ID multiplied by 10 seconds
(if the Start Command jumper
is disconnected).
Start Command Option
Start spindle according to
the Spinup Delay Option jumper.
Start spindle after the SCSI bus
sends a Start Unit command.
SCSI Bus Parity Check
Check the parity of data bytes
read from the SCSI bus.
Ignore parity check.
Reserved.
SSREF
Anode (positive)
Anode (positive)
Anode (positive)
3
1