Archives: January 2010

Maintenance of notebook batteries

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Categories: battery, laptop battery, notebook battery
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Published on: January 10, 2010

1. When no external power supply situation, if the working conditions at the time being less than PCMCIA card slot, it is recommended to remove the card first to extend battery life.
 
 2. At room temperature (20-30 degrees) for the battery of the most suitable working temperature, the temperature is too high or too low operating environment will reduce the battery life.
 
 3. Can provide a stable power supply in the environment using a laptop computer, remove the battery for extended battery life is affected by incorrect. On the Asus notebooks, when the battery fully charged, the battery charging circuit will automatically shut down, so the phenomenon of overcharging does not occur.
 
 4. Suggested an average of three months to conduct a battery power correction action.
 
 5. To minimize the number of battery
 
 The number of battery charge and discharge is directly related to life on one charge, the battery on a step forward to retirement. Suggest that you try to use an external power supply,
 
 6. Use an external power supply when the battery removed.
 
 Some users often several times a day Plug Power, and notebook computers equipped with a battery, to do so, even greater damage to the battery. Because each access to external power supply is equivalent to the battery charge time, battery life shortened by a naturally.
 
 7. Power exhaustion after the charge and avoid charging time is too long
 
 Whether your notebook to use nickel-metal hydride or lithium-electric power, it must take charge after the exhaustion of power (capacity less than 1%), which is the best way to avoid the memory effect. Lithium-Ion battery memory effect will be the same, but it is the memory effect than nickel-metal hydride smaller Bale.
 
 8. Usually Caution
 
When used in peacetime to prevent exposure to prevent damp to prevent the erosion of chemical liquids, avoid contact with the battery contacts with metal objects, etc. happen.

Related:Apple a1185 battery, Dell inspiron 6400 Battery, Dell inspiron e1505 Battery

Learn more about notebook power management mode

by admin
Categories: battery, Digital, Faqs about laptop batteries, Laptop, laptop battery, notebook battery, Uncategorized
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Published on: January 6, 2010

1, Concept of ACPI

ACPI: Advanced Configuration and Power Interface

There are several modes of ACPI:

S0 to normal.
S1 CPU to stop working.
S2 CPU shut down.
In addition to memory outside the S3 components are to stop working.
S4 memory write information to disk, all the parts stop working.
S5 closed.

ACPI power management mode to use hardware and software requirements can be fully supports the ACPI function.

If you encounter problems in use, you can try to upgrade the latest Acpi.sys file.

In addition, the hardware of the ACPI support is essential. Chassis power supply 5 volts to the motherboard at the same time, we must make current stabilized at more than 720 milliamperes to be able to make a computer in a short time from the “sleep” state wakes up.

The program can be achieved by selecting the power supply power management, power management program is the computer power on the use of a group of settings. Windows2000 provides the following three kinds of preset power management program (always open, portable / laptop, home / office desktop), the user can also set up their own computer into standby mode or turn off the hard drive and monitor the waiting time required.

2, ACPI and APM Comparison

APM 1.0 & 1.1: the implementation by the BIOS Power Management;

APM 1.2: operating system, the definition of power management time from the BIOS is responsible for implementation;

ACPI: BIOS collection of hardware information, define power management solutions; by the operating system responsible for the implementation.

APM is a software solution, therefore, with the operating system-related, but ACPI is an industry standard, including software and hardware specifications.

1) How to determine the system is in S1 or S3 mode?

A: The S1 sleep mode, ACPI, only the CPU to stop working, other equipment are still in power-up state. The S3 in the ACPI mode (BIOS-> Power Management -> Suspend to RAM set to Enable, among other equipment are situated outside the memory power-down state. Therefore, to determine the system is in S1 or S3 mode mode The easiest way is to carefully observation system situation: In the S3 state, all the equipment to stop working, even if the pop-up button on the drive can not open the drive door. In the S1 state, optical drive door is open. In addition, S3 mode, the system is completely quiet , all the fans are stopped. At this point system can not wake up from the keyboard. manual method can only be awakened by the power button on the front panel.

2) To achieve STR, so why not cut off the power after shutdown?

Answer: STR function is turned off, it will be the operation of the system information stored in memory, the next boot directly read the memory information, and return to pre-shutdown state. Its advantage is to start very fast, and can keep working condition. The disadvantage is that, even after shutdown, we can not disconnect the computer power supply. Because the data in memory will be lost once the power cut off.

3) In the closing Win2000, display “now safe to shut down” instead of automatically close ATX power supply, how should I do?

Answer: can try the following approach: choose “Settings / Control Panel / Power Options / Advanced Power Management”, if the machine supports advanced power management, then select the “Enable Advanced Power Management Support” and then in the HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrentVersionWinlogon Mid PowerdownAfterShutdown for 1; if the machine does not support advanced power management, then, unfortunately, only in the closed system, the display “now safe to shut down?” had to manually cut off power supply.

4) does not care to “Close Windows” dialog box “Let the computer to sleep” to the lost, and ask how to restore?

A: Generally speaking, such problems as long as the reinstall motherboard drivers, restart the future should be able to solve the problem, you can also “Control Panel / System / Device Manager” in the “Advanced Power Management support” deleted, and then Reboot the machine, according to Windows2000 system can also be prompted to re-install solve the problem.

Related: Dell inspiron 1525 Battery, Sony VGP-BPS8 battery,Inspiron E1505 battery,Dell  6400 battery

Apple’s four-generation iPhone will allow users to replace the battery

by admin
Categories: battery
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Published on: January 2, 2010

Battery news:

January 2 Beijing News, it was known as the IT industry,”Apple’s new weapon” of the fourth-generation iPhone N90 (using 3G systems) and the N99 (using CDMA system), is expected to be this (2010) Q2 launch sell side yesterday (31) on an annual shipments estimated 30 million point of view, and to Hon Hai as the major OEM manufacturers, the new iPhone will boost consolidated revenue challenges of Hon Hai Precision 2.5 billion New Taiwan dollars (5300 billion RMB) ! UBS Securities Asia-Pacific upstream and downstream manufacturing industries Xie-wen chief analyst said the fourth-generation iPhone for the 3G and CDMA systems are two sets of two products launched N90 and N99, according to his understanding, in addition to shell glass material, it can replace the battery and can be used Nail as the importation of foreign, which will be further integration of touch with the recording function.

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