Dell Precision 620 User Manual download pdf (Page 95)

See the Dell Microsoft Windows NT Workstation 4.0 Setup Guide for general installation information for Windows NT 4.0 and for information

about other drivers or supplements that may be required. For installation instructions for the various drivers, see the documents recommended in

the following list:

l Windows NT 4.0 SCSI controller drivers — See the documentation that came with your Dell Precision ResourceCD.

l Windows NT 4.0 bus-mastering EIDE driver — See the documentation that came with your Dell Precision ResourceCD.

l Windows NT 4.0 video drivers — See the documentation for your video card.

l Windows NT 4.0 NIC driver — See the documentation that came with your Dell Precision ResourceCD.

l Windows NT 4.0 audio drivers — See the documentation that came with your Dell Precision ResourceCD.

Front Panel

The computer system's front panel contains the following indicators and controls (see Figure 1):

l The power button controls the system's DC input power. When the system is turned off, pressing the power button turns the system on. When

the system is on, the power button operates as follows:

¡ In Windows NT, if the Dell AutoShutdown service is operational, the system performs an orderly operating system shutdown

before turning off.

If the Dell AutoShutdown service is not operational, the system turns off without writing unsaved data to the disk. This could result

in loss of data.

¡ In Windows 2000, the system performs an orderly operating system shutdown before turning off. However, the power button can

be configured to put the computer in a low-power sleep state.

When the system is on, the power indicator light-emittingdiode(LED)displaysasolidgreen.Whenthesystemisina

software-induced sleep state, the power indicator displays a blinking green. When you press the power button to turn off the

system, the power indicator turns off; however, the power supply maintains a low-voltage (standby) current. To completely

remove all power from the system, unplug the DC power cable from its electrical outlet and disconnect the network and

telephone cables.

l The power indicator LED is green during normal system operation and blinks green when the system is in sleep mode.

l The hard-disk drive access indicator lights up when a hard-disk drive is in use.

l The diskette-drive access indicator lights up when the diskette drive is in use. (The drive access indicator for the tape drive is located on the

front of the drive.)

l The reset button reboots (restarts) the system without your having to turn the power off and then on again. Rebooting the system in this

manner reduces stress on system components.

Figure 1. Mini Tower Chassis Front Panel

NOTE: You must install Windows NT 4. 0 Service Pack 4 or 5 before you install the NIC drivers. Otherwise, the integrated NIC will not

function properly.

NOTE: A Display Power Management Signaling (DPMS) monitor does not begin warming up until the computer to which it is

attached is turned on. Thus, some DPMS monitors may not display a video image until several seconds after you turn on

the computer.

NOTE: The power and hard-disk drive access LEDs are also used to display diagnostic codes.

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Dell Precision 620 User Manual Page 95