User guide

support.dell.com Introduction 1-3
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Dell supports the following network operating systems for use on PowerEdge 1400
systems:
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Windows NT Server 4.0 and Windows 2000 Server
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NetWare 5.1 (and later versions)
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Red Hat Linux 6.2 release SBE2 (and later versions)
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Microsoft BackOffice Small Business Server (SBS) 4.5 (and later versions)
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The computer's front panel contains the following indicators and controls
(see Figure 1-1):
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The power button provides control of the system's alternating current (AC) input
power. The push-button switch operates as follows:
— When the computer is turned off, pressing the button turns the computer on.
— When the computer is turned on, pressing the button turns the computer off.
However, a low-voltage (standby) current is maintained by the power supply.
To completely remove all power from the system, unplug the AC power
cable from its source.
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.
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The power indicator light is green during normal system operation and amber
when the computer is in sleep mode.
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The hard-disk drive access indicator lights up when a hard-disk drive is in use.
(Drive access indicators for diskette drives and tape drives are located on the
front of the drives.)
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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.