Seagate BARRACUDA 2LP, Product Manual

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54 Barracuda 2LP Product Manual, Rev. D
11 & 12 Delay motor start. Jumper installed causes a
10-second delay for each SCSI ID number
plus a maximum power-up delay of 3 seconds
before starting the spindle motor automati-
cally. Default is no jumper.
Example:
If SCSI ID is equal to three (3)
(3 x 10) +3 = 33
The drive’s spindle motor starts
in 33 seconds.
13 & 14 Reserved
15 & 16 Reserved
17 & 18 Reserved
J4 1 SCSI ID bit 0; no jumper = 0; yes jumper = 1
2 Fault LED pin (-)
3 SCSI ID bit 1; no jumper = 0; yes jumper = 1
4 Vendor unique
5 SCSI ID bit 2; no jumper = 0; yes jumper = 1
6 SSREF(+) spindle sync
7 SCSI ID bit 3; no jumper = 0; yes jumper = 1
8 Unit active LED pin (-)
9 No connection
10 Ground
11 (+) 5 volts
12 No connection
13–20 Reserved
SCSI ID Bit 3 Bit 2 Bit 1 Bit 0
0 0 0 0 0
1 0 0 0 1
2 0 0 1 0
3 0 0 1 1
4 0 1 0 0
5 0 1 0 1
6 0 1 1 0
7 0 1 1 1
8 1 0 0 0
9 1 0 0 1
10 1 0 1 0
11 1 0 1 1
12 1 1 0 0
13 1 1 0 1
14 1 1 1 0
15 1 1 1 1
Default SCSI ID = 0