发明名称 |
Method and system to determine external power available and fault states |
摘要 |
A method and system determines the status of an external power supply connection to an information handling system. A subsystem manager of the information handling system compares an external power source identification signal and a power available signal to determine whether external power is available, unavailable or faulty. For instance, an information handling system configured as a portable computer receives external power from an AC/DC converter along with an identification signal for the converter. A state machine running on the portable computer system's Super I/O compares the identification signal and a power available signal from an internal charger to determine state of the external power source and indicate the state to a user.
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申请公布号 |
US6795302(B2) |
申请公布日期 |
2004.09.21 |
申请号 |
US20030442025 |
申请日期 |
2003.05.20 |
申请人 |
DELL PRODUCTS L.P. |
发明人 |
KLUTH MICHAEL ROBERT;CRITZ CHRISTIAN L. |
分类号 |
G06F1/26;(IPC1-7):H05K5/00;H02J7/00 |
主分类号 |
G06F1/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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