Dell OptiPlex Gs Reference
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Brand: Dell
Category: Desktop
Type: Reference and installation manual for Dell OptiPlex Gs
Pages: 121 (4.17 Mb)
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2-6 Dell OptiPlex Gs and Gs+ Low-Profile Systems Reference and Installation Guide
Base Memory
BASE MEMORY
displays the amount of memory available
to MS-DOS programs that do not use extended or
expanded memory. This category has no user-selectable
options.
The default value for the
BASE MEMORY
category is
640 KB
,
which includes 1 kilobyte (KB) reserved for system use.
Extended Memory
EXTENDED MEMORY
, which has no user-selectable
options, indicates the amount of memory available as
extended memory.
Reserved Memory
RESERVED MEMORY
allows you to designate a region of
system board memory that can be supplied by an expan-
sion card. You should not enable the reserved memory
feature unless you are using an expansion card that
requires special addressing.
For example, you may have a memory expansion card
that needs to be addressed starting at 15 MB. Selecting
the
15M - 16M
option in the
RESERVED MEMORY
category
specifies that only part of the base memory comes from
the single in-line memory modules (SIMMs) on the sys-
tem board, whereas the base memory from 15 MB to
16 MB comes from the memory expansion card.
The
RESERVED MEMORY
category has the following options:
•
NONE
(the default option)
•
15M - 16M
CPU Speed
CPU SPEED
indicates the processor speed at which your
system boots.
Press the left- or right-arrow key to toggle the
CPU
SPEED
category between the resident microprocessor’s
rated speed (the default) and a lower compatibility speed,
which lets you accommodate speed-sensitive application
programs.
You can also toggle between the rated processor speed
and the compatibility speed while the system is running
in real mode by pressing <
CTRL
><
ALT
><
\
>. (For key-
boards that do not use American English, press
<
CTRL
><
ALT
><
#
>.)
Num Lock
NUM LOCK
determines whether your system boots with
the Num Lock mode activated on 101- or 102-key
keyboards (it does not apply to 84-key keyboards).
When Num Lock mode is activated, the rightmost bank
of keys on your keyboard provides the mathematical and
numeric functions shown at the tops of the keys. When
Num Lock mode is turned off, these keys provide cursor-
control functions according to the labels on the bottom of
each key.
Keyboard Errors
KEYBOARD ERRORS
enables or disables reporting of key-
board errors during the power-on self-test (POST), which
is a series of tests that the system performs on the
hardware each time you turn on the system or press the
reset button.
This category is useful when applied to self-starting serv-
ers or host systems that have no permanently attached
keyboard. In these situations, selecting
DO NOT REPORT
suppresses all error messages relating to the keyboard
or to the keyboard controller during POST. This
option does not affect the operation of the keyboard
itself, if one is attached to the computer.
System Password
SYSTEM PASSWORD
displays the current status of your
system’s password security feature and allows you to
assign and verify a new password. No one can assign a
new password unless the current status is
NOT ENABLED
,
which is displayed in bright characters.
The options for the
SYSTEM PASSWORD
category are:
•
NOT ENABLED
(the default option)
•
ENABLED
•
DISABLED BY JUMPER
NOTE: Read “Using the System Password Feature”
found later in this chapter for detailed instructions on
assigning a system password and using or changing an
existing system password. See “Disabling a Forgotten
Password” found later in this chapter for instructions on
disabling a forgotten system password.
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