Seagate Scorpion 40 Installationshandbuch Seite 13

Scorpion 40 Installation Manual: English
Note: Each SCSI device on a bus must have a unique SCSI
Parity checking (pins 9 and 10)
If a jumper is installed on pins 9 and 10 (the default setting),
parity checking is enabled. If no jumper is installed, parity
checking is disabled, but parity is still generated by the drive.
Terminator power (pins 11 and 12)
Internal Scorpion 40 drives are shipped with terminator power
disabled (no jumper across pins 11 and 12, as shown in
Figure 1). You can enable terminator power, if necessary, by
placing a jumper across pins 11 and 12.
Note: The internal Scorpion 40 does not provide SCSI
If the terminator power jumper is installed, be careful not to
short the TERMPWR signal to ground. In the event of a short,
terminator power to the bus will be interrupted. After the short
is removed, a fuse in the drive will automatically reset,
restoring terminator power.
Dip-switch settings
Figure 2 on the following page shows the location of dip
switches on the underside of the Scorpion 40. Each of these
switches is described in detail on subsequent pages.
If you change a dip switch, the new setting will not take effect
until the drive is turned off and then on again.
ID. The SCSI controller or host adapter generally uses ID
7. In some systems, the boot drive uses ID 0 or ID 1.
termination, and therefore should not be installed as
the last device in a SCSI chain. See "SCSI termination"
on page A-13 for more information.
A-9