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目前市面上CD-ROM的牌子和型号多种多样,不熟悉的人会无所适从,从速度上分类有单速、双速、三、四倍速之分,按总线接口分类又有AT、IDE(AT-API)、SCSI之分,常见牌子更有六、七个之多,所以在选购之前必须明确自己的需要。用作MPC的,一般当然希望越快越好,但就目前市场来讲,一般用户也就只能负担双速的价钱,而双速CD-ROM也是目前性价比最高的(不过近来市面上出现了四千元以下的内置式四倍速CDROM)。就接口标准来讲,当然是SCSI
Currently on the market CD-ROM brands and models varied, unfamiliar people will know what to do, the speed classification of a single-speed, two-speed, three, four speed points, according to the bus interface and AT, IDE -API), SCSI points, the more common brand more six or seven, so before buying must be clear about their needs. For MPC, of course, the general hope of the sooner the better, but in terms of the current market, the average user can only afford two-speed price, while the two-speed CD-ROM is the most cost-effective (but recently appeared on the market Four thousand dollars less built-in four-speed CDROM). In terms of the interface standard, of course, SCSI