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Using the System Setup Program 3-9
NOTE: The
Usr1
and
Usr2
drive types can be used for both the
Primary
and
Second-
ary
Drive 0
and
Drive 1
options. However, if you select the
Usr1
or
Usr2
drive type,
you may not obtain optimum hard-disk drive performance. Also, the
Usr1
and
Usr2
drive types cannot be used for hard-disk drives greater than 528 megabytes (MB) in
capacity.
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Reserved Memory allows you to designate a region of system board memory that
can be supplied by an expansion 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 15M - 16M for Reserved Memory specifies that only
part of the base memory comes from the dual in-line memory modules (DIMMs) on
the system board, whereas the base memory from 15 MB to 16 MB comes from the
memory expansion card.
Reserved Memory has the following settings:
None (the default)
15M - 16M
512K - 640K
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CPU Speed indicates the processor speed at which your system boots.
Press the left- or right-arrow key to toggle CPU Speed
between the processor’s rated
speed (the default) and a lower compatibility speed, which lets you accommodate
speed-sensitive application programs.
1XP/RFN
Num Lock determines whether your system boots with the Num Lock mode acti-
vated on 101- or 102-key keyboards.
When Num Lock mode is activated, the rightmost bank of keys on your keyboard pro-
vides the mathematical and numeric functions shown at the tops of the keys. When
Num Lock mode is turned off, each key provides the cursor-control function (if any)
indicated at the bottom of the key.
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Chassis Intrusion displays the status of the system’s chassis intrusion detector.
If the chassis is opened, the setting changes from Not Detected to Detected and the
following message is displayed during the boot routine at system start-up:
Alert! Cover was previously removed.