发明名称 Data processing virus protection circuitry including a permanent memory for storing a redundant partition table
摘要 A virus protection system, which may be coupled to an external input/output port of a disk operated data processing system, includes a read only memory in which a redundant partition table is stored, duplicating a partition table on the disk. The virus detection system further includes detection logic which monitors a transfer of data from the disk to a system random access memory and which detects data transfers to a high region of the system memory during initial portions of the transfer. When a virus is detected, the redundant partition table is written onto the disk.
申请公布号 US5367682(A) 申请公布日期 1994.11.22
申请号 US19910692619 申请日期 1991.04.29
申请人 CHANG, STEVEN 发明人 CHANG, STEVEN
分类号 G06F1/00;G06F21/00;G11C29/00;(IPC1-7):G06F9/445;G06F11/16;G06F12/16 主分类号 G06F1/00
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