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18 About Your System
Alert! Cable not detected
in INTRUDER connector.
The chassis intrusion switch is not
connected to the system board.
Verify that the chassis intrusion switch
cable is firmly seated in the INTRUDER
connector on the system board. See
"Installing the Chassis Intrusion Switch"
on page 87.
Alert! FAN_CCAG was not
detected.
Specified fan is missing, faulty, or
improperly installed.
• FAN_CCAG — card fan
• FAN_FRONT — front fan
• FAN_HDD — hard-drive fan for
optional fourth hard drive
• FAN_MEM — memory fan
See "Troubleshooting System Cooling
Problems" on page 102.
Alert! FAN_FRONT was not
detected.
Alert! FAN_HDD was not
detected.
Alert! FAN_MEM was not
detected.
Alert! FAN_PSU was not
detected.
The power supply fan is faulty. See "Getting Help" on page 123.
Alert! Cover was
previously removed.
The system cover has been opened. Information only. To reset, enter the
System Setup program. See "Using the
System Setup Program" on page 27.
Alert! Previous FAN_CCAG
failure.
Specified fan failed before last system
startup.
• FAN_CCAG — card fan
• FAN_FRONT — front fan
• FAN_HDD — hard-drive fan for
optional fourth hard drive
• FAN_MEM — memory fan
• FAN_PSU — power supply fan
Information only.
Alert! Previous FAN_FRONT
failure.
Alert! Previous FAN_HDD
failure.
Alert! Previous FAN_MEM
failure.
Alert! Previous FAN_PSU
failure.
Alert! Previous thermal
event.
BIOS detected a thermal event before
the last system startup.
Ensure that thermal grease is applied to
the heat sink and the heat sink is
installed properly. Ensure that the
system fans are functioning properly. See
"Replacing the Processor" on page 75 and
"Troubleshooting System Cooling
Problems" on page 102.
Alert! Previous voltage
failure.
Sensor detected voltage out of range
before last system startup.
Information only.
Table 1-6. System Messages (continued)
Message Causes Corrective Actions
book.book Page 18 Monday, June 5, 2006 1:51 PM