Scan Code Set 1 - Original XT scan code set supported by some modern keyboards 第一套扫描码集--原始的XT扫描码集 某些现代的键盘还支持-Scan Code Set 1-Original XT scan code set supported by some modern keyboards first scan code sets -- the original XT scan code sets certain

Scan Code Set 2 - Default scan code set for all modern keyboards 第二套扫描码集--所有现代键盘默认的扫描码集-Scan Code Set 2-Default scan code set for all modern keyboards second scan code sets -- all modern default keyboard scan code sets