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Quick Reference Guide
Front View (Desktop Orientation)
1
upper 5.25-inch drive bay Holds a CD/DVD drive.
2
lower 5.25-inch drive bay You can use the bay for an optional CD/DVD drive, or a SATA hard drive.
3
FlexBay
You can use the bay for a floppy drive, or a Media Card Reader.
4
IEEE 1394 connector
(optional)
Use the optional IEEE 1394 connector for high-speed data devices such as digital
video cameras and external storage devices.
5
USB 2.0 connectors (2)
Use the front USB connectors for devices that you connect occasionally, such as
flash memory keys or cameras, or for bootable USB devices (see
"System Setup"
in your
User’s Guide
for more information on booting to a USB device).
It is recommended that you use the back USB connectors for devices that
typically remain connected, such as printers and keyboards.
6
hard-drive activity light
The hard drive light is on when the computer reads data from or writes data to
the hard drive. The light might also be on when a device such as your CD player
is operating.
7
Dell™ rotatable badge
To rotate the Dell badge for tower-to-desktop conversion; remove the
front panel
,
turn it over, and rotate the plastic handle behind the badge.
8
power button
Press to turn on the computer.
NOTICE:
To avoid losing data, do not use the power button to turn off the computer.
Instead, perform an operating system shutdown.
NOTE:
The power button can also be used to wake the system or to place it into
a power-saving state. See your
User’s Guide
for more information.
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Summary of Contents for Precision PD055
Page 4: ...4 Contents ...
Page 47: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell Precision Workstation 490 快速参考指南 型号 DCTA ...
Page 50: ...50 目录 ...
Page 56: ...56 快速参考指南 3 您可以采用不同方式连接显 示器 视您的图形卡而定 注 您可能需要使用附带 的适配器或电缆 才能将 显示器连接至计算机 连接显示器 ...
Page 59: ...快速参考指南 59 4 注 如果您的计算机 已安装声卡 请将扬 声器连接至此卡 连接扬声器 5 连接电源电缆并打开 计算机和显示器 ...
Page 72: ...72 快速参考指南 内部视图 1 电源设备 2 可旋转的硬盘驱动器托架 3 灵活托架 4 下部 5 25 英寸驱动器托架 5 上部 5 25 英寸驱动器托架 1 2 3 4 5 ...
Page 73: ...快速参考指南 73 内部视图 已旋出硬盘驱动器托架 1 电源设备 2 系统板 3 内存风扇 4 前面风扇 5 卡风扇 1 2 3 4 5 ...
Page 74: ...74 快速参考指南 系统板组件 3 4 5 6 7 12 22 23 24 25 26 2 27 10 13 14 15 16 17 19 20 11 9 21 18 1 8 ...
Page 90: ...90 快速参考指南 ...
Page 96: ...96 目次 ...
Page 138: ...138 クイックリファレンスガイド ...
Page 142: ...42 索引 142 索引 ...
