hip:/mnt/loop# hdparm -I /dev/hdd

/dev/hdd:

CompactFlash ATA device, with removable media
        Model Number:       SanDisk SDCFX4-2048
        Serial Number:      003405D1797H0519
        Firmware Revision:  HDX 4.20
Standards:
        Supported: 4
        Likely used: 4
Configuration:
        Logical         max     current
        cylinders       3970    3970
        heads           16      16
        sectors/track   63      63
        --
        CHS current addressable sectors:    4001760
        LBA    user addressable sectors:    4001760
        device size with M = 1024*1024:        1953 MBytes
        device size with M = 1000*1000:        2048 MBytes (2 GB)
Capabilities:
        LBA, IORDY(may be)(cannot be disabled)
        Standby timer values: spec'd by Vendor
        R/W multiple sector transfer: Max = 4   Current = 4
        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=120ns  IORDY flow control=120ns
Commands/features:
        Enabled Supported:
           *    Write cache
           *    CFA feature set