Method of computer access expansion memory
A technology for expanding memory and computers, which is applied in the field of computers and can solve problems such as inaccessibility of expanded memory
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[0019] Referring to FIG. 1 , the computer expansion memory device of the present invention includes a CPU 101 , a FPGA (Programmable Gate Array, Field Programmable Gate Array) chip 102 , a memory slot 103 and a power management circuit 104 . Described FPGA chip 102 is connected with described central processing unit 101 by PCI bus, and described FPGA chip 102 is connected with internal memory by memory groove 103, and described power management circuit 104 is connected with PCI bus, FPGA chip 102 and memory groove 103, gives The FPGA chip 102 and the memory slot 103 are powered.
[0020] The FPGA chip 102 is written with PCI bus interface logic, DDR memory standard control logic, DDR II memory standard control logic, or SDRAM memory standard control logic. The FPGA chip 102 is connected to the CPU 101 through the PCI bus, providing a method for the CPU to access memory.
[0021] The memory slot 103 can be selected from DDR standard interface, DDR II memory standard interface ...
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