red@mini-9:~$ sudo hdparm -I /dev/sda /dev/sda: CompactFlash ATA device Model Number: Flash Module Serial Number: 2519079A060101006403 Firmware Revision: Ver3.P0B Standards: Supported: 5 4 Likely used: 6 Configuration: Logical max current cylinders 16383 16383 heads 16 16 sectors/track 63 63 -- CHS current addressable sectors: 61078752 LBA user addressable sectors: 61078752 Logical/Physical Sector size: 512 bytes device size with M = 1024*1024: 29823 MBytes device size with M = 1000*1000: 31272 MBytes (31 GB) cache/buffer size = 1 KBytes (type=DualPort) Nominal Media Rotation Rate: Solid State Device Capabilities: LBA, IORDY(cannot be disabled) Standby timer values: spec'd by Standard, no device specific minimum R/W multiple sector transfer: Max = 1 Current = 1 DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 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: * SMART feature set Security Mode feature set * Power Management feature set Write cache * WRITE_BUFFER command * READ_BUFFER command * NOP cmd * CFA feature set * Mandatory FLUSH_CACHE Security: Master password revision code = 65534 supported not enabled not locked frozen not expired: security count supported: enhanced erase 60min for SECURITY ERASE UNIT. 60min for ENHANCED SECURITY ERASE UNIT.