Abstract: A device control method, a memory storage device, and a memory control circuit unit are disclosed. The method includes: establishing a connection between the memory storage device and a host system; performing a first communication with the host system based on the connection and a first connection interface standard; performing a data recovery operation between the memory storage device and the host system via the connection during a period of performing the first communication; and switching to perform a second communication with the host system based on the connection and a second connection interface standard in a case that the data recovery operation is successfully performed, wherein the first connection interface standard is different from the second connection interface standard.

Abstract: An image capturing method of a touch display module is disclosed. The image capturing method includes the steps of defining a first axial; defining a second axial which is perpendicular to the first axial; detecting a motion track on the touch display module, wherein the motion track includes at least an angle or a curve; calculating a first length which is the length of the motion track projecting to the first axial; calculating a second length which is the length of the motion track projecting to the second axial; and capturing a selecting range according to the first length and the second length. This invention also discloses an electronic device.

Abstract: An image capturing method of a touch display module is disclosed. The image capturing method includes the steps of defining a first axial; defining a second axial which is perpendicular to the first axial; detecting a motion track on the touch display module, wherein the motion track includes at least an angle or a curve; calculating a first length which is the length of the motion track projecting to the first axial; calculating a second length which is the length of the motion track projecting to the second axial; and capturing a selecting range according to the first length and the second length. This invention also discloses an electronic device.

Abstract: A system for automatically testing motherboards includes a test server (1), client computers (2), and a network (5) connecting the test server with the client computers. The test server is for storing a plurality of high-level OSs (Operating Systems), test programs and test script files, for setting contents of test configuration files, and for storing test results. Each client computer has a motherboard installed therein, and is operated under a DOS (Disk Operating System). The client computer downloads and installs a high-level OS from the test server, downloads and installs one or more test programs and a test script file according to a test configuration file set by the test server, executes the test script file to auto-run test programs in a sequence specified in the test configuration file, and then transmits test results to the test server.

Abstract: A system for controlling power sources of motherboards under test through networks includes a central server (1), a serial device server (3), a bus distributor (4), a number of power controllers (5), and a number of testing computers (8). The central server sets testing parameters, and transmits instructions regarding turning on or off power sources of the testing computers to the serial device server, in order to control the power sources of the testing computers. The serial device server converts the instructions into serial instructions, and generates corresponding serial signals. The bus distributor distributes an address for each power controller, receives the serial signals, and transmits the serial signals to corresponding power controllers. Each power controller turns on power sources of corresponding testing computers in which motherboards under test are installed according to the received serial signal. A related method is also disclosed.

Abstract: A system for updating a sign-on logo image file in a computer includes: a storage medium (7) for storing image files; application software (1) for loading a selected image file, converting the selected image file into a designated format image file, and compressing the designated format image file into a corresponding sign-on logo image file; a dynamic link library (DLL) (2) for receiving the sign-on logo image file from the application software; a basic input/output system (BIOS) (4) for receiving the sign-on logo image file from the DLL through a driver model (3) which connects the DLL with the BIOS, determining whether the sign-on logo image file is valid according a size of the sign-on logo image file, and updating the sign-on logo image file in the computer if the sign-on logo image file is valid; and a read only memory (5) for storing the sign-on logo image file. A related method is also disclosed.

Abstract: A system for verifying signal propagation delays of circuit traces of a printed circuit board (PCB) layout includes a computer (1). The computer includes: a setting module (10) for setting a minimum propagation delay and a maximum propagation delay for a trace to be verified, and making a selection regarding whether to calculate a propagation delay of a lead wire connected with the trace; a selecting module (11) for selecting a segment from a segment set of the trace; a calculating module (12) for calculating a propagation delay of the segment, the trace and the lead wire, and a total propagation delay; and a determining module (13) for determining whether all segments of the trace have been calculated, and whether the total propagation delay is between the minimum propagation delay and the maximum propagation delay. A related method is also disclosed.

Abstract: A system for calculating trace lengths of a PCB layout includes a computer (10) and a database (11). The computer includes: an object setting module (100) for setting objects to define section rules; a section rule defining module (101) for selecting objects as a start point and an end point for each section in a section rule, and defining a length for the section; a trace selecting module (102) for selecting traces from a trace class; a trace calculating module (103) for calculating all lengths of sections contained in each selected trace and a total length of the selected trace, and determining whether all the selected traces have been calculated; an information generating module (104) for generating corresponding notices if necessary; a storing module (105) for storing the section rules and calculation results; and a calculation result converting module (106) for converting the calculation results into a designated data file.

Abstract: A system for calculating trace lengths of a PCB layout includes a computer (10) and a database (11). The computer includes: an object setting module (100) for setting objects to define section rules; a section rule defining module (101) for selecting objects as a start point and an end point for each section in a section rule, and defining a length for the section; a trace selecting module (102) for selecting traces from a trace class; a trace calculating module (103) for calculating all lengths of sections contained in each selected trace and a total length of the selected trace, and determining whether all the selected traces have been calculated; an information generating module (104) for generating corresponding notices if necessary; a storing module (105) for storing the section rules and calculation results; and a calculation result converting module (106) for converting the calculation results into a designated data file.

Abstract: A system for checking a layout of circuit traces on a printed circuit board (PCB) includes a computer (1) and a database (2). The database stores information generated and used by the system. The computer includes: a checking area creating module (101) for creating checking areas; a layout determining module (102) for determining whether a vertical projection of a trace to be checked intersects on any same potential area on a reference layer; a via information obtaining module (103) for determining whether any via exists in a checking area; a capacitor determining module (104) for determining whether any capacitor exists in a checking area, and determining whether the capacitors in the checking area have been listed in a user-selected capacitor list; and an area determining module (105) for determining whether same potential areas are identical according to information on the same potential areas. Related methods are also disclosed.

Abstract: A system for controlling power sources of motherboards under test through networks includes a central server (1), a serial device server (3), a bus distributor (4), a number of power controllers (5), and a number of testing computers (8). The central server sets testing parameters, and transmits instructions regarding turning on or off power sources of the testing computers to the serial device server, in order to control the power sources of the testing computers. The serial device server converts the instructions into serial instructions, and generates corresponding serial signals. The bus distributor distributes an address for each power controller, receives the serial signals, and transmits the serial signals to corresponding power controllers. Each power controller turns on power sources of corresponding testing computers in which motherboards under test are installed according to the received serial signal. A related method is also disclosed.

Abstract: A system for automatically testing motherboards includes a test server (1), client computers (2), and a network (5) connecting the test server with the client computers. The test server is for storing a plurality of high-level OSs (Operating Systems), test programs and test script files, for setting contents of test configuration files, and for storing test results. Each client computer has a motherboard installed therein, and is operated under a DOS (Disk Operating System). The client computer downloads and installs a high-level OS from the test server, downloads and installs one or more test programs and a test script file according to a test configuration file set by the test server, executes the test script file to auto-run test programs in a sequence specified in the test configuration file, and then transmits test results to the test server.

Abstract: A system for verifying signal propagation delays of circuit traces of a printed circuit board (PCB) layout includes a computer (1). The computer includes: a setting module (10) for setting a minimum propagation delay and a maximum propagation delay for a trace to be verified, and making a selection regarding whether to calculate a propagation delay of a lead wire connected with the trace; a selecting module (11) for selecting a segment from a segment set of the trace; a calculating module (12) for calculating a propagation delay of the segment, the trace and the lead wire, and a total propagation delay; and a determining module (13) for determining whether all segments of the trace have been calculated, and whether the total propagation delay is between the minimum propagation delay and the maximum propagation delay. A related method is also disclosed.

Abstract: A system for updating a sign-on logo image file in a computer includes: a storage medium (7) for storing image files; application software (1) for loading a selected image file, converting the selected image file into a designated format image file, and compressing the designated format image file into a corresponding sign-on logo image file; a dynamic link library (DLL) (2) for receiving the sign-on logo image file from the application software; a basic input/output system (BIOS) (4) for receiving the sign-on logo image file from the DLL through a driver model (3) which connects the DLL with the BIOS, determining whether the sign-on logo image file is valid according a size of the sign-on logo image file, and updating the sign-on logo image file in the computer if the sign-on logo image file is valid; and a read only memory (5) for storing the sign-on logo image file. A related method is also disclosed.

Abstract: The present invention provides a limited capacity image-forming machine that includes a processor, a cache memory, and a storage device. The cache memory is in communication with the processor, wherein the cache memory stores a parameter. The storage device is in communication with the cache memory, wherein the parameter is copied from the cache memory to the storage device.