Tejun Heo schrieb:
I don't know very well about CF but does it even fill UDMA/33? What does 'dd if=/dev/sdc of=/dev/null bs=1M count=16 iflag=direct' say? You can increase count for more reliable result.
16+0 Datensätze ein
16+0 Datensätze aus
16777216 Bytes (17 MB) kopiert, 0,561688 s, 29,9 MB/s
And hdparm -I /dev/sdc says it should be compatible to udma5.
/dev/sdc:
ATA device, with non-removable media
Model Number: SanDisk SDCFX4-8192
Serial Number: 010611E2297S0510
Firmware Revision: HDX 4.20
Standards:
Supported: 4
Likely used: 4
Configuration:
Logical max current
cylinders 15880 15880
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16007040
LBA user addressable sectors: 16007040
device size with M = 1024*1024: 7815 MBytes
device size with M = 1000*1000: 8195 MBytes (8 GB)
Capabilities:
LBA, IORDY(may be)(cannot be disabled)
Standby timer values: spec'd by Vendor
R/W multiple sector transfer: Max = 4 Current = 0
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
Attachment:
smime.p7s
Description: S/MIME Cryptographic Signature
