[vir@localhost log]$ sudo hdparm -I /dev/hdc

/dev/hdc:

ATAPI CD-ROM, with removable media
        Model Number:       PIONEER DVD-RW  DVR-111                 
        Serial Number:      FEDL022964WL       
        Firmware Revision:  1.19    
Standards:
        Likely used CD-ROM ATAPI-1
Configuration:
        DRQ response: 50us.
        Packet size: 12 bytes
Capabilities:
        LBA, IORDY(can be disabled)
        Buffer size: 64.0kB
        DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 *udma4 
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4 
             Cycle time: no flow control=240ns  IORDY flow control=120ns
Commands/features:
        Enabled Supported:
           *    Power Management feature set
           *    PACKET command feature set
           *    DEVICE_RESET command
HW reset results:
        CBLID- above Vih
        Device num = 0 determined by the jumper