TNN 500A
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22
8. Cautions During Use
8.1 Cautions When Booting
When booting the computer, it may automatically power down after an alarm sound is generated by a system
monitoring program to indicate that the rotation of the CPU fan is slow. If this happens, connect the fan on the
stock CPU cooler to the 3-pin connector for the CPU cooler on your motherboard. Boot the system and set
“
CPU Fan Detected
”
to
“
Disabled
”
in the BIOS settings. Then, turn the system off, remove the CPU cooler
fan, and reboot.
Note 1)
Some motherboards do not boot if the rotation of the CPU fan is not detected. There might not be a
“
CPU
Fan Detected
”
setting in the BIOS setup, but updating the BIOS could solve this problem. For more
information on updating the BIOS, please refer to your motherboard manufacturer
’
s website.
Note 2)
When using an Intel motherboard, if you remove the motherboard from an existing system and attach it to
the TNN 500A, the system
’
s Active Monitor may generate an alarm sound with a warning that there is no
CPU fan. Remove Active Monitor using the Add/Remove Programs applet in Control Panel and reinstall to
solve this problem.
8.2 Using the Caster Mount
The leveler (red-colored) on the TNN 500A’s caster is used to lock or free the caster. When moving the TNN
500A, slide the caster’s leveler in a clockwise direction so that the mount lifts up, enabling the system to move
around via the casters. To lock the TNN 500A into place, slide the caster’s leveler in a counterclockwise
direction so that the mount touches down, locking the TNN 500A down. If installing the TNN 500A on a
uneven surface, you can use the TNN 500A’s leveler to stop it from rocking.To reduce noise from vibration,
lower the mount on the caster when using the system (the mount is made of a type of rubber).
Wheel
Leveler
Leveler
1. Lock
Lock
2. Free
Free
Mount
Mount
Wheel
Mount
