Lenovo PC 300PL Using your Personal Computer - PC300PL - 6562 - Page 33

Operating Your Personal Computer

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Chapter 3. Operating Your Personal Computer This chapter provides information to help you in the day-to-day use of your computer. It includes instructions for starting and shutting down your PC, as well as information on using audio, video, system-management, and security features. Using Controls and Status Indicators The following operating controls and status indicators are located on the front of your computer (the three audio features on the front of your computer are described on page 24): Power Switch: Press this switch to turn your computer on or off. Do not turn off your computer if the in-use light for the hard disk drive or diskette drive is on. Power-On Light: This status indicator lights when you turn on your computer. Hard-Disk Drive Light: When this light is on, it indicates that the hard disk drive heads are being positioned or that your computer is reading from or writing to the hard disk. Client (Workstation) LAN Light: When this light is on, it indicates that your computer is transmitting or receiving a data block (frame) that matches your computer's network address (media access control, MAC, address) to or from another workstation or from a server. Data blocks sent from your computer to other adapters (broadcast transmits) will not activate this light. Diskette-Drive Light: When this light is on, it indicates that the diskette drive heads are being positioned or that your computer is reading from or writing to a diskette. Diskette Eject Button: Push this button to release a diskette from the drive. Power Switch Power-On Light Hard-Disk Drive Light Client (Workstation) LAN Light Diskette Diskette Drive Light Eject Button © Copyright IBM Corp. 1997 19

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Chapter 3.
Operating Your Personal Computer
This chapter provides information to help you in the day-to-day use of your
computer.
It includes instructions for starting and shutting down your PC, as well
as information on using audio, video, system-management, and security features.
Using Controls and Status Indicators
The following operating controls and status indicators are located on the front of
your computer (the three audio features on the front of your computer are described
on page 24):
Power Switch
Power-On Light
Hard-Disk
Drive Light
Client
(Workstation)
LAN Light
Diskette
Drive Light
Diskette
Eject Button
Power Switch:
Press this switch to turn your computer on or off.
Do not turn off
your computer if the in-use light for the hard disk drive or diskette drive is on.
Power-On Light:
This status indicator lights when you turn on your computer.
Hard-Disk Drive Light:
When this light is on, it indicates that the hard disk drive
heads are being positioned or that your computer is reading from or writing to the
hard disk.
Client (Workstation) LAN Light:
When this light is on, it indicates that your
computer is transmitting or receiving a data block (
frame
) that matches your
computer's network address (
media access control, MAC, address
) to or from another
workstation or from a server.
Data blocks sent from your computer to other adapters
(
broadcast transmits
) will not activate this light.
Diskette-Drive Light:
When this light is on, it indicates that the diskette drive heads
are being positioned or that your computer is reading from or writing to a diskette.
Diskette Eject Button:
Push this button to release a diskette from the drive.
Copyright IBM Corp. 1997
19