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这里所讲到的问题都是针对IDE接口的CD-ROM,至于声卡接口的也是大同小异,在这里就不一一细述了。1、MS—DOS下找不到光驱其实这是个最为常见的问题,在你使用电脑的过程中,光驱丢失是很平常的事,解决起来也不难。因为在早期（486以前的年代）的电脑上,光驱并不是必需品,在486PC出现的时候才开始走上历史舞台。就因为它是后来者,所以那时的主板CMOS并没有加入它的驱动,不像其它设备如硬盘、软驱、显卡,它们只需要你插上就可以使用,再大不了在CMOS里设置一下参数就搞定。一直到光驱成为不可少的整机设备的今天,CMOS也没有针对CD-ROM作出较大的改进,只是加入了能让CD-ROM启动计算机和让主板开机时检测到它,但实际上并没有真正驱动它,想用它还要请你高抬贵指,敲敲它的驱动程序:说通俗一点,CD-ROM在DOS下是由两个文件来使它动作的。一个是设备驱动程序,明显的特征是它的扩展名是.SYS,就是它来令DOS认识CD-ROM的,没有它DOS根本就不认为你的电脑装备了CD-ROM,执行它很简单,只须在CONFIG.SYS中加入:DEVICE=[盘符:][路径][驱动程序名.SYS][参数]这样就完成了第一步,上面的[驱动程序名.SYS]就是对应你的光驱的驱动程序名,例如:美上美--MTMCDAL.SYS、飞利浦CDROM.SYS等等,如果我把这个文件放在C盘的DEV目录下,那
The problems mentioned here are aimed at the IDE interface CD-ROM, as the sound card interface is similar, not here one by one detailed. 1, MS-DOS can not find the drive In fact, this is the most common problem in your use of the computer process, the drive is lost is very common, it is not difficult to solve. Because in the early (pre-486 years) computer, CD-ROM is not a necessity, when the 486PC appeared began to take the stage of history. Because it is a latecomer, so at the time of the motherboard CMOS did not join its drive, unlike other devices such as hard drives, floppy drives, video cards, they only need you to plug in can use, big deal in the CMOS to set the parameters Get it. Until CDROM became an integral part of today’s equipment, CMOS has not made any major improvements to CD-ROMs except that it adds a feature that allows the CD-ROM to start up and detect when the motherboard is powered on, but in reality it does not Really drive it, would like to use it also ask you to raise your fingers, knocking on its driver: that popular, CD-ROM in DOS is made by two files to make it action. One is a device driver, the obvious feature is that its extension is .SYS, it is to make DOS recognize CD-ROM, without it, DOS does not think your computer is equipped with a CD-ROM, the implementation of it is very simple, Just add to CONFIG.SYS: DEVICE = [drive letter:] [path] [driver name .sys] [parameter] This completes the first step, the above [driver name.SYS] is the corresponding to your CD-ROM driver name, for example: the United States on the United States - MTMCDAL.SYS, Philips CDROM.SYS and so on, if I put this file on the C drive’s DEV directory, then