Owner`s manual
TABLE
1
Jumper/Switch Settings
of
the
RAM
3000 Deluxe
SWITCH!
JUMPER
DEFAULT SETTING
AND
DEFINITION
W1
This jumper block selects the speed of the 256K
DRAM
chips
installed on the
RAM
3000 Deluxe.
The
default
setting is
installation of
120
nanosecond
or
faster chips (no jumper
installed).
W2 This jumper block enables memory parity checking mode.
The
default
setting is parity mode enabled (jumper installed).
SWl
This 10-position dipswitch selects
the
page frame control
port
addresses
of
EMS 110 ports 1 and 2 and activates EMS mode
for these two ports.
The
default
setting is EMS
1/0
port
addresses
258
and
268
(Hex) with no EMS mode
(SW1
positions
1,
3,
5,
6,
9 and
10
switched ON, positions 2,
4,
7, and 8
switched
OFF).
SW2
This 8-position dipswitch selects
the
amount
of
contiguous
memory defined on
the
RAM
3000
Deluxe
and
the
number
of
memory banks filled.
The
default
setting is
one
bank
of
memory installed and no contiguous memory space defined (SW3
positions
1-8
switched OFF).
SW3
This 8-position dipswitch selects
the
memory starting address
of
the
RAM
3000 Deluxe and selects between 8-bit
and
16-bit EMS
data
transfer size.
The
default setting is starting address
at
1
MB
(lOOOOOH)
and 8-bit EMS data transfer size (SW3 position 5
switched
ON, positions
1-4
and 6-8 switched OFF).
11