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Computer system for mutual communication through network and its memory management method

  • US 6,880,104 B2
  • Filed: 12/20/2001
  • Issued: 04/12/2005
  • Est. Priority Date: 12/21/2000
  • Status: Expired due to Fees
First Claim
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1. A server for establishing communication upon receipt of access from a client terminal through a network, comprising:

  • a memory protection unit for protecting data stored in a volatile memory to be protected, in the event of a power failure, wherein said memory protection unit comprises;

    power monitoring means for detecting a power failure supplied to said memory to be protected; and

    switch controlling means for switching control of, and a power supply of, said memory to be protected;

    wherein when a failure is detected in a power supplied to said memory to be protected, control of said memory to be protected is switched to said memory protection unit, and said power supply is switched to a standby power, before data stored in said memory to be protected is damaged; and

    wherein said server notifies the client of write completion of data at a time when data sent from said client has been written into said memory to be protected.

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