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INSTALLA TION
Figure 3-2 illustrates the switchbank location for the 4542 drive.
TERMINATORS
PIN 1
SERIAL
PORT
DATA COMPRESSION
CHIP
Figure 3-2
Python 4542 Swltchbank Access
These switches allow you to set up the following configuration options:
o
SCSI device address (S1 through S3): Default = SCSIID 0 (S1 through S3 = OFF)
o
SCSI mode at power-up (S4): Default = SCSI-2 (S4 = ON)
o
Parity check enable/disable (S5): Default = Parity disabled (S5 = OFF)
o
DDS pass-through mode enable/disable (S6): Default = Pass-through mode disabled (S6=OFF)
NOTE:
WhenS6
is
OFF, DDS-DC data compression
is
enabled. WhenS6 is ON, DDS-DC
data compression is disabled.
o
Power-on self-test enable/disable (S8): Default = Power-on self-test disabled
(S8 = OFF)
NOTE: Switch
S7 is
reserved and must be in the OFF position.
Figure 3-3 shows the default settings for the 4322 and 4542 drives (view looking from the rear of the drive).
3-7
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