Owner`s manual
4.2 Controller Configuration
To
set
the
EV-390/391/392
controller
card
for
each
drive, you
must
move
jumper
positions
1-4
on
SW1.
Jumper
positions 1
and
2
control
Drive
2
(your
second drive)
and
Jumper
positions
3
and
4
control
Drive
1
(your
first
drive).
The
EPROM
chip
on
the
EV-390/391
controller
(see
Figure
3
and
4
for
the
location
of
the
EPROM
chip
on
the
controllers)
comes
in
several
versions (labeled 3.92A,
3.93,
3.94,
3.95,
3.96
and
3.97)
that
support
specific
drive
types.
Table 1A: ROM BIOS Disk Type Selection (EV390/391)
shows
the
proper
configuration
of
SW1 (see
Figures
3
and
4
for
SW1
configuration
options)
and
the
type
of
EPROM
needed
for
the
drives.
There
is
only
one
EPROM
version
available
on
the
EV-392.
Table
1B: ROM BIOS Disk Type Selection (EV-392) shows
the
proper
configuration
of
SW1 (see
Figure
5
for
SW1
configuration
options)
pertaining
to
each
drive
type.
EXAMPLE:
For
the
Seagate ST4096 80MB
drive
connected
to
the
EV-390/391
controller,
make
sure
the
EPROM
is
labeled
"3.95,"
and
make
sure
no
jumpers
are
installed
(option
A
from
Figures
3
and
4).
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