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v Reset button: Press this button to reset the server and run the power-on
v Power-on LED: When this LED is lit and not flashing, it indicates that the server
v Hard disk drive activity LED: When this LED is lit, it indicates that either of the
v System locator LED: This LED can be lit remotely by the system administrator
v System-error LED (!): When this LED is lit, it indicates that a system error has
v USB connectors: Connect a USB device to either of these connectors.
Notes:
1. If you want to attach a keyboard or mouse to this server, you must use a USB
2. The server supports keyboardless operation. If a USB keyboard is not
3. If you want to attach a diskette drive to this server, you must use an external
34
System x3455 Types 7984 and 7986: Installation Guide
self-test (POST). You might have to use a pen or the end of a straightened paper
clip to press the button.
is turned on. When this LED is flashing, it indicates that the server is turned off
and still connected to an ac power source. When this LED is off, it indicates that
ac power is not present, or the power supply or the LED itself has failed.
Notes:
1. If this LED is off, it does not mean that there is no electrical power in the
server. The LED might be defective, or has failed. To remove all electrical
power from the server, you must disconnect the power cord from the
electrical outlet.
2. The ac power and dc power LEDs are on the power supply and can be
viewed from the rear of the server. For additional information, see "Rear view"
on page 35.
hard disk drives is in use.
to aid in visually locating the server. If the server supports IBM Director, you can
use IBM Director to light this LED remotely. A system locator LED is also on the
rear of the server.
occurred. An LED near the failing component on the system board also might be
lit to help isolate the error.
keyboard or a USB mouse. For detailed information about the USB keyboard
and how to connect it to your server, see the documentation that comes with the
USB keyboard.
connected to the server, when the server is turned on or restarted, error
message 301 will be displayed during POST. No action is required. POST will
continue within 1 minute.
USB diskette drive.
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