Asus Z81D A4L/G English Hardware User''''s Manual(E1701) - Page 57

System Memory Expansion, Processor Upgrades, System Fans and Processor, Thermal Power Control

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4 Using the Notebook PC System Memory Expansion Additional memory will increase application performance by decreasing hard disk access. This is more noticeable on newer software that require more and more system resources. The BIOS automatically detects the amount of memory in the system and configures CMOS accordingly during the POST (Power-On-Self-Test) process. There is no hardware or software (including BIOS) setup required after the memory is installed. Only purchase expansion modules from authorized retailers of this Notebook PC to ensure maximum compatibility and reliability. Visit an authorized service center or retailer for information on memory upgrades for your Notebook PC. System Fans and Processor There are three power control methods for controlling the Notebook PC's thermal state. These power control cannot be configured by the user and should be known in case the Notebook PC should enter these states. The following temperatures represent the chassis temperature (not CPU). Thermal Power Control • The fan turns ON for active cooling when the temperature reaches the safe upper limit. • The CPU decreases speed for passive cooling when the temperature exceeds the safe upper limit. • The system shut down for critical cooling when temperature exceeds the maximum safe upper limit. Processor Upgrades Some Notebook PC models feature an upgradable processor design for faster performance in the future. Visit an authorized service center or retailer for information on upgrades. 57

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57
Using the Notebook PC
4
System Memory Expansion
Additional memory will increase application performance by decreasing hard disk access. This is more
noticeable on newer software that require more and more system resources. The BIOS automatically
detects the amount of memory in the system and configures CMOS accordingly during the POST
(Power-On-Self-Test) process. There is no hardware or software (including BIOS) setup required after
the memory is installed. Only purchase expansion modules from authorized retailers of this Notebook
PC to ensure maximum compatibility and reliability. Visit an authorized service center or retailer for
information on memory upgrades for your Notebook PC.
Processor Upgrades
Some Notebook PC models feature an upgradable processor design for faster performance in the fu-
ture. Visit an authorized service center or retailer for information on upgrades.
System Fans and Processor
There are three power control methods for controlling the Notebook PC’s thermal state. These power
control cannot be configured by the user and should be known in case the Notebook PC should enter
these states. The following temperatures represent the chassis temperature (not CPU).
Thermal Power Control
•
The fan turns ON for active cooling when the temperature reaches the safe upper limit.
•
The CPU decreases speed for passive cooling when the temperature exceeds the safe upper limit.
•
The system shut down for critical cooling when temperature exceeds the maximum safe upper limit.