Intel SPSH4 Product Guide - Page 125

System Cooling Fans Do Not Rotate Properly, Diskette Drive Activity Light Does Not Light

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System Cooling Fans Do Not Rotate Properly If the system cooling fans are not operating properly, system components could be damaged. If the system power LED is on, but the fans are not rotating properly, check the following: ‰ Are any of the fan fault indicators lit? Is so, try replacing the corresponding fan module. ‰ Is the cable from the fan carrier board connected to the baseboard? ‰ Are the power supply cables properly connected to the baseboard and the fan carrier board assembly? ‰ Are there any shorted wires caused by pinched cables or power connector plugs forced into power connector sockets the wrong way? If the connections are correct, contact your service representative or authorized dealer for assistance. Diskette Drive Activity Light Does Not Light Check the following: ‰ Are the diskette drive power and signal cables properly installed? ‰ Are all relevant switches and jumpers on the diskette drive set correctly? ‰ Is the diskette drive properly configured? ‰ Is the diskette drive activity light always on? If so, the signal cable might be plugged in incorrectly. If you are using the onboard diskette controller, use BIOS Setup (page 40) to make sure that "Onboard Floppy" is set to "Enabled." If you are using an add-in diskette controller, make sure that "Onboard Floppy" is set to "Disabled." If the problem persists, there might be a problem with the diskette drive, baseboard, or drive signal cable. Contact your service representative or authorized dealer for assistance. Hard Drive Activity Light Does Not Light If you have installed one or more hard drives in your system, check the following: ‰ Are the power and signal cables to the drive properly installed? ‰ Are all relevant switches and jumpers on the hard drive and adapter board set correctly? ‰ Is the hard drive properly configured? ✏ NOTE Front panel hard disk LED indicates SCSI devices: The hard drive activity light on the front panel lights when a SCSI device controlled by the onboard SCSI host controller is in use. This LED does not display CD-ROM activity. Solving Problems 125

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Solving Problems
125
System Cooling Fans Do Not Rotate Properly
If the system cooling fans are not operating properly, system components could be damaged.
If the system power LED is on, but the fans are not rotating properly, check the following:
±²
Are any of the fan fault indicators lit?
Is so, try replacing the corresponding fan module.
±²
Is the cable from the fan carrier board connected to the baseboard?
±²
Are the power supply cables properly connected to the baseboard and the fan carrier board
assembly?
±²
Are there any shorted wires caused by pinched cables or power connector plugs forced into
power connector sockets the wrong way?
If the connections are correct, contact your service representative or authorized dealer for
assistance.
Diskette Drive Activity Light Does Not Light
Check the following:
±²
Are the diskette drive power and signal cables properly installed?
±²
Are all relevant switches and jumpers on the diskette drive set correctly?
±²
Is the diskette drive properly configured?
±²
Is the diskette drive activity light always on?
If so, the signal cable might be plugged in
incorrectly.
If you are using the onboard diskette controller, use BIOS Setup (page 40) to make sure that
“Onboard Floppy” is set to “Enabled.”
If you are using an add-in diskette controller, make sure
that “Onboard Floppy” is set to “Disabled.”
If the problem persists, there might be a problem with the diskette drive, baseboard, or drive signal
cable.
Contact your service representative or authorized dealer for assistance.
Hard Drive Activity Light Does Not Light
If you have installed one or more hard drives in your system, check the following:
±²
Are the power and signal cables to the drive properly installed?
±²
Are all relevant switches and jumpers on the hard drive and adapter board set correctly?
±²
Is the hard drive properly configured?
NOTE
Front panel hard disk LED indicates SCSI devices:
The hard drive
activity light on the front panel lights when a SCSI device controlled by the
onboard SCSI host controller is in use.
This LED does not display CD-ROM
activity.