38 | Barracuda 36ES2 Product Manual, Rev. B |
Drive HDA (rear view, PCB facing downward)
Pin 1 | +5V Ground | J5 | [1] [2] |
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4P | 3P 2P | 1P |
68 Pin
SCSI I/O Connector
J1
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 = 10
SCSI ID = 11
SCSI ID = 12
SCSI ID = 13
SCSI ID = 14
SCSI ID = 15
[2]
(default)
PCB
For ID selection use jumpers as shown or connect a cable for remote switching as shown below.
Reserved A 3 A 2 A 1A 0
Pins 1, 3, 5, and 7 are optional connections to
Host | [4] | N.C. |
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Alternate |
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| 11 | 9 | 7 | 5 | 3 | 1 | ||
Usage Plug |
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| +5V | 12 10 8 | 6 | 4 | 2 | ||
+5V |
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| Ground |
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A0 A1 A2 A3
switching circuits in host equipment to establish drive ID.
Remote Switches
Pins 2, 4, 6, and 8 are normally not grounded. They are driven low (ground) for 250 ms after a Reset
[6]Drive Activity LED
[4]Dashed area is optional host circuitry (external to the drive) connected to host supplied optional usage plug.
or PWR ON to allow drive to read SCSI ID selected.
