Dell OptiPlex Gn Reference And Installation Manual

Also see for Optiplex gn+: Troubleshooting guide Service manual Service manual

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Dell OptiPlex Gn Reference And Installation Manual Manual pdf 32 page image

2-6 Dell OptiPlex Gn and Gn+ Low-Profile Systems Reference and Installation GuideFor example, you may have a memory expansion cardthat needs to be addressed starting at 15 MB. Selectingthe 15M - 16M option in the Reserved Memory categoryspecifies that only part of the base memory comes fromthe dual in-line memory modules (DIMMs) on thesystem board, whereas the base memory from 15 to16 MB comes from the memory expansion card.The Reserved Memory category has the followingoptions:• None (the default)• 15M - 16MCPU SpeedCPU Speed indicates the processor speed at which yoursystem boots.Press the left- or right-arrow key to toggle the CPUSpeed category between the resident microprocessor’srated speed (the default) and a lower compatibility speed,which lets you accommodate speed-sensitive applicationprograms. A change to this category takes effectimmediately (rebooting the system is not required).You can also toggle between the rated processor speedand the compatibility speed while the system is runningin real mode by pressing <\>. (Forkeyboards that do not use American English, press<#>.)Num LockNum Lock determines whether your system boots withthe Num Lock mode activated on 101- or 102-keykeyboards (it does not apply to 84-key keyboards).When Num Lock mode is activated, the rightmost bankof keys on your keyboard provides the mathematical andnumeric functions shown at the tops of the keys. WhenNum Lock mode is turned off, these keys provide cursor-control functions according to the label on the bottom ofeach key.Keyboard ErrorsKeyboard Errors enables or disables reporting ofkeyboard errors during the power-on self-test (POST),which is a series of tests that the system performs on thehardware each time you turn on the system or press thereset button.This category is useful when applied to self-startingservers or host systems that have no permanentlyattached keyboard. In these situations, selecting Do NotReport suppresses all error messages relating to thekeyboard or to the keyboard controller during POST.This option does not affect the operation of thekeyboard itself, if a keyboard is attached to thecomputer.System PasswordSystem Password displays the current status of yoursystem’s password security feature and allows you toassign and verify a new password. No one can assign anew 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)• Enabled• Disabled by JumperNOTE: Read “Using the System Password Feature”found later in this chapter for instructions on assigning asystem password and using or changing an existingsystem password. See “Disabling a Forgotten Password”found later in this chapter for instructions on disabling aforgotten system password.Password StatusWhen Setup Password is set to Enabled, Password Statusallows you to prevent the system password from beingchanged or disabled at system start-up.To lock the system password, you must first assign asetup password and then change the Password Statuscategory to Locked. In this state, the system passwordcannot be changed through the System Passwordcategory and cannot be disabled at system start-up bypressing .To unlock the system password, you must enter the setuppassword and then change the Password Status categoryto Unlocked. In this state, the system password can bedisabled at system start-up by pressing and then changed through the System Password category.