Adaptec 1966600 User Guide - Page 33

Spin-up Settings, DL Switch 7, Drive Spin-up Function

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About the DuraStor Storage Subsystem Spin-up Settings SAF-TE switches 7 and 8 control the drive spin-up functions. The switches are directly attached to all of the disk drive slot start signals. Switch 7 controls the Start_1 signal (Delay Spin-up) and switch 8 controls the Start_2 signal (Remote Spin-up). Table 2-4 describes the functional mode for each SAF-TE switch setting. Table 2-4. SAF-TE Switch Functional Modes DL Switch 7 RM Switch 8 Drive Spin-up Function Up (1)1 Up (1)1 Drive motor spins up at DC power-on. Down (0) Down (0) Drive motor does not spin up. Up (1) Down (0) Drive motor spins up only on SCSI Start command. Down (0) Up (1) Drive motor spins up after a delay of 12 seconds times the numeric ID setting of the associated disk drive. (This may vary depending on the disk drive type.) 1 Default setting for proper operation. 2-23

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2-23
About the DuraStor Storage Subsystem
Spin-up Settings
SAF-TE switches 7 and 8 control the drive spin-up functions. The
switches are directly attached to all of the
disk
drive slot start
signals. Switch 7 controls the Start_1 signal (Delay Spin-up) and
switch 8 controls the Start_2 signal (Remote Spin-up).
Table 2-4
describes the functional mode for each SAF-TE switch
setting.
Table 2-4.
SAF-TE Switch Functional Modes
DL Switch 7
RM Switch 8
Drive Spin-up Function
Up (1)
1
1
Default setting for proper operation.
Up (1)
1
Drive motor spins up at DC
power-on.
Down (0)
Down (0)
Drive motor does not spin up.
Up (1)
Down (0)
Drive motor spins up only on SCSI
Start command.
Down (0)
Up (1)
Drive motor spins up after a delay
of 12 seconds times the numeric ID
setting of the associated disk drive.
(This may vary depending on the
disk drive type.)