試して
sudo lshw -businfo
そこに表示されるはずです。たとえば、私の場合、私は以下を取得します。
lshw -businfo
Bus info Device Class Description
========================================================
system PORTEGE R930 (PT331E)
bus PORTEGE R930
memory 128KiB BIOS
memory 6GiB System Memory
memory 4GiB SODIMM DDR3 Synchronous 1600 MHz (0,6 ns)
memory 2GiB SODIMM DDR3 Synchronous 1600 MHz (0,6 ns)
cpu@0 processor Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
memory 32KiB L1 cache
memory 256KiB L2 cache
memory 4MiB L3 cache
memory 32KiB L1 cache
pci@0000:00:00.0 bridge 3rd Gen Core processor DRAM Controller
pci@0000:00:02.0 display 3rd Gen Core processor Graphics Controller
pci@0000:00:14.0 bus 7 Series/C210 Series Chipset Family USB xHCI Host Controller
pci@0000:00:16.0 communication 7 Series/C210 Series Chipset Family MEI Controller #1
pci@0000:00:16.3 communication 7 Series/C210 Series Chipset Family KT Controller
pci@0000:00:19.0 eth0 network 82579LM Gigabit Network Connection
pci@0000:00:1a.0 bus 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2
pci@0000:00:1b.0 multimedia 7 Series/C210 Series Chipset Family High Definition Audio Controller
pci@0000:00:1c.0 bridge 7 Series/C210 Series Chipset Family PCI Express Root Port 1
pci@0000:01:00.0 generic MMC/SD Host Controller
pci@0000:00:1c.1 bridge 7 Series/C210 Series Chipset Family PCI Express Root Port 2
pci@0000:00:1c.2 bridge 7 Series/C210 Series Chipset Family PCI Express Root Port 3
pci@0000:04:00.0 wlan0 network Centrino Advanced-N 6235
pci@0000:00:1c.5 bridge 7 Series/C210 Series Chipset Family PCI Express Root Port 6
pci@0000:00:1d.0 bus 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1
pci@0000:00:1f.0 bridge QM77 Express Chipset LPC Controller
pci@0000:00:1f.2 storage 7 Series Chipset Family 6-port SATA Controller [AHCI mode]
scsi0 storage
scsi@0:0.0.0 /dev/sda disk 256GB TOSHIBA THNSNF25
scsi@0:0.0.0,1 /dev/sda1 volume 27GiB EXT4 volume
scsi@0:0.0.0,2 /dev/sda2 volume 210GiB Extended partition
/dev/sda5 volume 5722MiB Linux swap / Solaris partition
/dev/sda6 volume 204GiB Linux filesystem partition
scsi2 storage
scsi@2:0.0.0 /dev/cdrom disk DVD-RAM UJ8C2
power Lithium Ion Battery
power
wwan0 network Ethernet interface
終わりに向かって見えます。または、次を使用できます。
lshw -C disk
*-disk
description: ATA Disk
product: TOSHIBA THNSNF25
vendor: Toshiba
physical id: 0.0.0
bus info: scsi@0:0.0.0
logical name: /dev/sda
version: FSTA
serial: Y2ES102UT5MY
size: 238GiB (256GB)
capabilities: partitioned partitioned:dos
configuration: ansiversion=5 sectorsize=512 signature=0db170df
*-cdrom
description: DVD-RAM writer
product: DVD-RAM UJ8C2
vendor: MATSHITA
physical id: 0.0.0
bus info: scsi@2:0.0.0
logical name: /dev/cdrom
logical name: /dev/sr0
version: 1.00
capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
configuration: ansiversion=5 status=nodisc
再びcd-romリーダーの存在を示しています。
編集：
DVDリーダーが機能しないと言う前に、SATAインターフェイスはIDEとAHCIの2つの異なるプロトコルで使用できることを知っておく必要があります。自分のBIOに移動して、他のBIOにモードを変更できるかどうかを確認します。これは、明らかに持っているモードが機能しないためです。
もう一度lshwを試してください。再び表示されない場合、壊れています。
lsusbか？