PXE most commonly involves booting a computer from firmware i. e., a read-only memory or programmableROM chip rather than from magnetic media.
最常见的PXE是从固件、即只读式存储器或可编程ROM芯片,而不是从磁介质引导计算机。
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The present paper introduces a programmableROM, which is used in a 5spindles (numerically controlled) engraving machine, with E-type magnetic core as storage element.