IBM 4951-514 Installation Guide - Page 24

Upper, memory, EMM386.exe, configuration, driver

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Table 3. SurePOS 500 Model 514 serial port allocations (continued) Function External Connector COM Port Assignment Touch Screen None. Internally connected. N/A. The touch screen driver communicates with this device through direct I/O. Note: Serial Port D can only be used as an RS-232 read/write port for the following conditions: v Serial Port D function in BIOS setup is set to VFD/RS-232 enabled v No internal VFD is attached Each serial port is configured with a static base I/O address and IRQ. By default, BIOS setup enables all serial ports to be functional. However, if the need arises, you can configure the serial ports with a custom base I/O address and IRQ from Integrated Peripherals in BIOS setup. Use caution when assigning COM ports, new base I/O addresses, and IRQs to prevent conflicts. Upper memory map and EMM386.exe configuration The SurePOS 500 Model 514 provides 32K of upper memory for usage by applications. You must use the EMM386.exe to access this memory. Below is a sample config.sys entry: DEVICE=HIMEM.SYS DEVICE=EMM386.EXE NOEMS I=D000-D7FF SATA driver The system BIOS handles all DOS SATA driver requirements. 12 SurePOS 500 Series : Operating System Installation Guide - SurePOS 500 Model 514

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Table
3.
SurePOS
500
Model
514
serial
port
allocations
(continued)
Function
External
Connector
COM
Port
Assignment
Touch
Screen
None.
Internally
connected.
N/A.
The
touch
screen
driver
communicates
with
this
device
through
direct
I/O.
Note:
Serial
Port
D
can
only
be
used
as
an
RS-232
read/write
port
for
the
following
conditions:
v
Serial
Port
D
function
in
BIOS
setup
is
set
to
VFD/RS-232
enabled
v
No
internal
VFD
is
attached
Each
serial
port
is
configured
with
a
static
base
I/O
address
and
IRQ.
By
default,
BIOS
setup
enables
all
serial
ports
to
be
functional.
However,
if
the
need
arises,
you
can
configure
the
serial
ports
with
a
custom
base
I/O
address
and
IRQ
from
Integrated
Peripherals
in
BIOS
setup.
Use
caution
when
assigning
COM
ports,
new
base
I/O
addresses,
and
IRQs
to
prevent
conflicts.
Upper
memory
map
and
EMM386.exe
configuration
The
SurePOS
500
Model
514
provides
32K
of
upper
memory
for
usage
by
applications.
You
must
use
the
EMM386.exe
to
access
this
memory.
Below
is
a
sample
config.sys
entry:
DEVICE=HIMEM.SYS
DEVICE=EMM386.EXE
NOEMS
I=D000-D7FF
SATA
driver
The
system
BIOS
handles
all
DOS
SATA
driver
requirements.
12
SurePOS
500
Series
:
Operating
System
Installation
Guide
-
SurePOS
500
Model
514