Using a eSATA adapter:
arnd@wuerfel:~/flashbench$ sudo hdparm -I /dev/sde
/dev/sde:
CompactFlash ATA device Model Number: TS4GCF133 Serial Number: 20101227 C2130907 Firmware Revision: 20100804 Standards: Supported: 7 Likely used: 7 Configuration: Logical max current cylinders 7769 7769 heads 16 16 sectors/track 63 63 -- CHS current addressable sectors: 7831152 LBA user addressable sectors: 7831152 Logical/Physical Sector size: 512 bytes device size with M = 1024*1024: 3823 MBytes device size with M = 1000*1000: 4009 MBytes (4 GB) cache/buffer size = 1 KBytes (type=DualPort) Capabilities: LBA, IORDY(can be disabled) Standby timer values: spec'd by Vendor R/W multiple sector transfer: Max = 1 Current = 0 Advanced power management level: disabled 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: * SMART feature set Security Mode feature set Power Management feature set Write cache WRITE_BUFFER command READ_BUFFER command NOP cmd * CFA feature set Advanced Power Management feature set Mandatory FLUSH_CACHE * SMART self-test * Gen1 signaling speed (1.5Gb/s) * Host-initiated interface power management * 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 0x8f00, expected 0xe1a5)