SCSI
bus
split
control
switch
7
This
switch
controls
the
SCSI
bus
mode.
When
the
switch
is
off,
the
enclosure
is
configured
as
a
single
SCSI
bus.
When
this
switch
is
on,
the
enclosure
is
configured
as
a
dual
or
split
SCSI
bus.
The
default
logical
setting
for
this
switch
is
off.
Switches
8
and
9
(reserved)
This
switch
should
be
off.
Disable
ID6
handling
switch
10
The
SCSI
ID6
is
automatically
disabled
and
removed
from
the
system
when
all
of
the
following
conditions
are
met:
v
This
switch
is
turned
off.
v
Two
SCSI
Interface
cards
are
installed
with
single
bus
configuration.
v
Two
hosts
are
connected
to
the
2104
Model
DS4
and
Model
TS4
and
both
are
powered
on.
When
two
SCSI
Interface
cards
are
installed
and
the
2104
Model
DS4
and
Model
TS4
are
configured
for
single-bus
mode,
an
ID
conflict
exists
if
a
drive
is
installed
in
the
slot
of
SCSI
ID
6.
The
conflict
exists
because
one
of
the
host
bus
adapter
(HBA)
SCSI
IDs
should
be
set
to
6
when
using
both
host
ports.
Unless
the
disable
ID
6
handling
switch
is
off
or
the
drive
is
removed
from
the
slot
of
SCSI
ID
6,
there
will
be
an
ID
conflict
between
the
HBA
using
ID
6
and
the
drive
in
the
slot
of
SCSI
ID
6.
Removing
the
drive
from
slot
6
and
replacing
it
with
a
dummy
carrier
eliminates
the
conflict.
An
alternative
is
to
turn
off
the
disable
SCSI
ID6
handling
switch,
which
continuously
applies
a
SCSI
RESET
signal
to
the
drive
in
the
slot
of
ID
6
SC000208
15
11
16
12
17
13
18
14
7
8
9
10
Figure
30.
Other
switches
on
the
SCSI
Interface
card
16
Expandable
Storage
Plus
2104
Model
DS4
and
Model
TS4
Operator’s
Guide
Summary of Contents for Bull Escala 2104 DS4
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