Table 6·2. Hard Disk Drive Configuration Jumper Functions
Jmnper
Function
Label
SS
Self-Seek;
In
= disabled.
Out
= enabled. (Default)
Drive self-tests
at
turn-on. LED is
ON
during test,
OFF
after self-test passes. Flashes if an error is detected.
EP
Enable Parity In = enabled.
Out
= disabled. (Default)
Controls parity checking of
data
on SCSI bus.
WS
Wait/Spin
In = enabled. Requires a
stop/start
unit
command
to
spin drive motor.
Out
= disabled.
(Default) Drive motor
starts
automatically
at
turn-on
and
is ready within
20
seconds.
AO,
AI,
A2
SCSI Bus Address;
AO
is
least significant bit. Shipped
with address 6 set (jumpers on
Al
and
A2).
SCSI Bus Address Jumpers
The
hard
disk drive
must
be
set
to
a unique SCSI bus address. Use a
pair
of needle-nose pliers
to
set
the
drive's SCSI address.
The
address is
binary
(jumper
in = 1,
out
= 0)
with
jumper
AO
the
lease significant
bit.
Configuring the Operating System
Refer
to
your Owner's Guide
or
other
operating system
documentation
to
configure your operating system for
the
drive.
Configuring Mass Storage Devices
6·9
6
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