Alarm system and method for detachable equipment of computer
An alarm system and computer technology, applied in computer security devices, calculations, instruments, etc., can solve problems such as failure to alarm, inconvenience for users, and general power management software can only display, so as to avoid delay of alarm information and low cost Effect
Inactive Publication Date: 2009-04-01
LENOVO (BEIJING) CO LTD +1
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Problems solved by technology
But, the shortcoming of this scheme is: only can show the working state of CD-ROM drive by the flickering mode of indicator light, and indicator light is generally positioned at the side of notebook computer in addition, can not carry out effective alarm to the misoperation that the user takes place
However, the disadvantage of this solution is: the main hard disk and the second hard disk use the same hard disk light to indicate the state (the limitation of the South Bridge chip, all SATA interfaces share the same SATA_LED pin)
However, the disadvantage of this solution is that the general power management software can only indicate the power level of the battery currently in use
If other users mistakenly think that the display is the power of the main battery and remove the second battery, the computer system will enter a forced sleep state, which will cause inconvenience to the user, such as interrupting the download of files from the network due to entering the sleep state.
Method used
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[0031] Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings. In the drawings, the same components are denoted by the same reference numerals.
[0032] First, refer to figure 1 and figure 2 An alarm system 1 for a computer removable device 10 according to an embodiment of the present invention is described.
[0033] A removable device 10 for a computer (not shown) includes a mechanical switch 11 and a device bus controller 12 . The mechanical switch 11 of the removable device 10 is connected to the GPIO (general purpose input and output port, not shown) of the computer through a hardware circuit. The signal is transmitted to the replacement state detecting device 20 as a replacement signal of the removable device 10 .
[0034] The alarm system 1 for a removable device 10 includes a replacement state detection device 20 , a working state detection device 30 , and an alarm device 50 . The replacement state detect...
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The invention discloses a dismounting alarming system and a method for a dismountable device of a computer; a dismountable device is arranged in the computer; the dismountable alarming system includes a dismountable state detection device used for detecting the dismounting state of the dismountable device and transmitting a dismountable signal for responding the dismounting state; a working state detection device used for responding the dismounting signal and detecting the working state of the dismountable device; an alarming device used for giving out an alarming signal when the dismountable device is dismounted and the dismountable device is working. The dismounting alarming method includes the following steps: detecting the dismounting state of the dismountable device, sending out the dismounting signal for responding the dismounting state, responding the dismounting signal and detecting the working state of the dismountable device; sending out the alarming signal if the dismountable device is working.
Description
technical field [0001] The invention relates to an alarm system and method for computer removable equipment. Background technique [0002] Removable devices (such as a removable optical drive, a second hard disk, a second battery, etc.) of a notebook computer have been more and more widely used. At present, some devices have a simple alarm system, and some devices have no alarm measures at all. In addition, in the notebook computer system, there is no specific alarm prompt for replacing such devices. Therefore, when the user forcibly removes it, if these devices are in use, it will cause damage to the device or interrupt some operations that the laptop is running. [0003] For this reason, for the removable optical drive, the solution in the prior art is to set a general status indicator light on the removable optical drive body. But, the shortcoming of this scheme is: only can show the working status of CD-ROM by the flickering mode of indicator light, and indicator light...
Claims
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Login to View More IPC IPC(8): G06F21/02G06F11/32
Inventor 李欣
Owner LENOVO (BEIJING) CO LTD