我的ＰＣ卡ＤＶＤ是哪个设备文件？

是Toshiba SD DVD,为什么在/dev 下没有　cdrom　也没有 dvdrom?

如何使用该设备？

1. first checkout your hardware with dmesg or lspci -vv, if you have only one ATAPI CD, then the DVD chould be /dev/hdc, or /dev/hdd if you have a CD _AND_ a DVD.

2. do a test with a CD data,mount with /dev/hdc (e.g) mount -t iso9660 /dev/hdc /cdrom, if succes, then you can do a softlink: ln -s /dev/hdc /dev/cdrom

3. checkout your /etc/fstab, perharps we can have more ideas with it.

good luck