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Controls, LEDs, and connectors
The following illustration shows the controls, LEDs, and front connectors on the
IntelliStation Z Pro Types 6223 and 6227 computers. See “Input/output connectors”
on page 53 for an illustration and description of the connectors on the rear of the
computer.
Power on LED
Power control button
Hard disk drive activity LED
Ethernet transmit/receive activity LED
System error LED
CD-ROM drive activity LED
CD-eject button
Line-out connector
USB connectors
Microphone connector
IEEE 1394A (FireWire)
connector
Diskette drive activity LED
Diskette eject button
1394
Power-on LED
When this LED is lit and not flashing, it indicates that the computer is
turned on. When this LED is flashing, it indicates that the computer is off
and still connected to an ac power source (standby mode).
Power-control button
Press this button to turn the computer on or off.
Hard disk drive activity LED
When this LED is lit, it indicates that the hard disk drive is in use.
Ethernet transmit/receive activity LED
When this LED is flickering, it indicates that there is activity between the
computer and the network. There are two of these LEDs, one on the front
and one on the rear of the computer.
Ethernet link status LED
When this LED is lit, it indicates that there is an active connection on the
Ethernet port. This LED is located on the rear of the computer.
6 IntelliStation Z Pro Types 6223 and 6227: Hardware Maintenance Manual and Troubleshooting Guide