Dell GX1 User Manual download pdf (Page 41)

Using the System Setup Program 2-7

card (the base memory below the 15-MB address comes from the dual in-line mem-

ory modules [DIMMs] on the system board).

The Reserved Memory option has the following options:

 None (the default option)

 512K - 640K

 15M - 16M

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CPU Speed indicates the processor speed at which your system boots.

Press the left- or right-arrow key to toggle the CPU Speed

option between the resi-

dent microprocessor’s rated speed (the default) and a lower compatibility speed,

which lets you accommodate speed-sensitive application programs. A change to this

option takes effect immediately (rebooting the system is not required).

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 keyboards

that do not use American English, press <Ctrl><Alt><#>.)

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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 label on the bottom of each key.

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Chassis Intrusion displays the status of the system chassis intrusion monitor. The

default setting is Not Detected.

If the computer cover is removed, the setting changes from Not Detected to

Detected and the following message is displayed during the boot sequence at system

start-up:

Alert! Cover was previously removed.

To clear this field and allow future intrusions to be detected, enter the System Setup

program during the system’s power-on self-test (POST), as described earlier in this

chapter. At the Chassis Intrusion option, use the left- or right-arrow key to choose

Reset. This action changes the setting to its default value, Not Detected.

NOTE: When enabled, the setup password is required to reset the Chassis Intrusion

option from Detected to Not Detected.

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Dell GX1 User Manual Page 41