sudo hdparm -I /dev/sdg
/dev/sdg:
CompactFlash ATA device Model Number: TRANSCEND Serial Number: 20080422 38018B45 Firmware Revision: 20080128 Standards: Supported: 4 Likely used: 6 Configuration: Logical max current cylinders 15538 15538 heads 16 16 sectors/track 63 63 -- CHS current addressable sectors: 15662304 LBA user addressable sectors: 15662304 Logical/Physical Sector size: 512 bytes device size with M = 1024*1024: 7647 MBytes device size with M = 1000*1000: 8019 MBytes (8 GB) cache/buffer size = 1 KBytes (type=DualPort) Capabilities: LBA, IORDY(may be)(cannot be disabled) Standby timer values: spec'd by Vendor R/W multiple sector transfer: Max = 1 Current = 0 Advanced power management level: disabled DMA: not supported 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_BUFFER command READ_BUFFER command NOP cmd CFA feature set Advanced Power Management feature set * CFA advanced modes: pio5 *pio6 mdma3 *mdma4 * CFA Power Level 1 (max 500mA) Security: Master password revision code = 65534 supported not enabled not locked not frozen not expired: security count not supported: enhanced erase 2min for SECURITY ERASE UNIT. Integrity word not set (found 0x0000, expected 0x37a5)