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64
(check your
adapter for Pin 1 location)
[1]
Closed end type 68-pin connector used. Terminators enabled.
[2]
Open end type (in-line application) connector used.
[3]
Host need not be on the end of the daisy-chain. Another device can be on the end with the terminator, the
host having no terminator.
[4]
Total interface cable length must not exceed that specified in ANSI document X3T10/1302D (including
host adapter/initiator). The cable length restriction limits the total number of devices allowed.
[5]
SCSI ID7 has highest arbitration priority, then ID15 to ID8 (ID 8 very lowest).
[6]
Last drive on the daisy chain.
[7]
Open-end type 68-pin connector used. If end device, use external terminator and closed-end type 68-pin
connector.
Figure 21.
SCSI daisy chain interface cabling for LW drives
Note. Do not mix drives operating
single-ended with drives
operating differential on the
daisy chain.
SCSI ID 7 [5]
Pin 1
[1]
Host
Adapter
PCB
[3]
Barracuda 36ES2 Product Manual, Rev. B
'LW' Model
Drive
[1]
2 through X
SCSI devices [4]
[2]
SCSI ID 0
[6]
SCSI ID 1
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