SYSTEM MANAGEMENT PROTECTION DEVICE FOR SERVER
First Claim
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1. A server, comprising:
- a backplane;
a first enclosure management (EM) unit, comprising;
a first switch unit, connected to the backplane through a bus and used to determine whether or not to allow a signal of the first EM unit to be transmitted to the bus through the first switch unit according to a first switch signal; and
a first protect-control unit, for outputting the first switch signal and determining an enable status of the first switch signal according to statuses of the first EM unit and other EM units; and
a second EM unit, comprising;
a second switch unit, connected to the backplane through the bus and used to determine whether or not to allow a signal of the second EM unit to be transmitted to the bus through the second switch unit according to a second switch signal; and
a second protect-control unit, for outputting the second switch signal and determining an enable status of the second switch signal according to statuses of the second EM unit and other EM units.
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Abstract
A server including a backplane, first and second EM units is provided. The signal of the first EM unit is determined whether or not to be transmitted to a bus at the backplane according to statuses of the first EM unit and other EM unit(s). The signal of the second EM unit is determined whether or not to be transmitted to the bus according to statuses of the second EM unit and other EM unit(s). Thus, the server prevents the first and the second EM units on the backplane simultaneously connected to the backplane to cause a signal short between the first and the second EM units.
2 Citations
15 Claims
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1. A server, comprising:
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a backplane; a first enclosure management (EM) unit, comprising; a first switch unit, connected to the backplane through a bus and used to determine whether or not to allow a signal of the first EM unit to be transmitted to the bus through the first switch unit according to a first switch signal; and a first protect-control unit, for outputting the first switch signal and determining an enable status of the first switch signal according to statuses of the first EM unit and other EM units; and a second EM unit, comprising; a second switch unit, connected to the backplane through the bus and used to determine whether or not to allow a signal of the second EM unit to be transmitted to the bus through the second switch unit according to a second switch signal; and a second protect-control unit, for outputting the second switch signal and determining an enable status of the second switch signal according to statuses of the second EM unit and other EM units. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification