Epson Apex 386SX/16 Canadian Product User Manual - Page 109

OC, manual, PPM-1630, LIM 4.0

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Note that If you have more than one megabyte memory, you may enable or disable the 384K memory as shadow RAM. The 384K is always allocated at the same address for shadow RAM, even if you disable the shadow RAM. Important: You can only enter the setup menu by pressing when the power is just switched on. You may reset the system to enter setup menu, too. Shadow RAM Enable For efficient execution of BIOS, it is preferable to run BIOS code through RAM rather than through the slower EPROMs. The PPM163OC can support shadow RAM for BIOS and video. To enable shadow RAM, follow the steps below: l Hold down the key to enter the DTK BIOS setup menu as you turn the power on. l Select item 6 to enter NEAT Chip Setup Configuration. l Select item 1 to enable BIOS or video shadow HAM. (Refer to the DTK BIOS manual for details.) EMS Driver Setup The PPM-1630 mainboard supports LIM 4.0 EMS. To set up the EMS driver, follow the steps below : Chapter 6: Appendix 11

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Note
that
If
you
have
more
than
one
megabyte
memory,
you
may
enable
or
disable
the
384K
memory
as
shadow
RAM.
The
384K
is
al-
ways
allocated
at
the
same
address
for
shadow
RAM,
even
if
you
disable
the
shadow
RAM.
Important:
You
can
only
enter
the
setup
menu
by
pressing
<Esc>
when
the
power
is
just
switched
on.
You
may
reset
the
system
to
enter
setup
menu,
too.
Shadow
RAM
Enable
For
efficient
execution
of
BIOS,
it
is
preferable
to
run
BIOS
code
through
RAM
rather
than
through
the
slower
EPROMs.
The
PPM-
163OC
can
support
shadow
RAM
for
BIOS
and
video.
To
enable
shadow
RAM,
follow
the
steps
below:
l
Hold
down
the
<Esc>
key
to
enter
the
DTK
BIOS
setup
menu
as
you
turn
the
power
on.
l
Select
item
6
to
enter
NEAT
Chip
Setup
Configuration.
l
Select
item
1
to
enable
BIOS
or
video
shadow
HAM.
(Refer
to
the
DTK
BIOS
manual
for
details.)
EMS
Driver
Setup
The
PPM-1630
mainboard
supports
LIM 4.0
EMS.
To
set
up
the
EMS
driver,
follow
the
steps
below
:
Chapter
6:
Appendix
11