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Hi, |
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|
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I'm using hdparm on Gentoo/PPC. |
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I think that hdparm operation are not endian safe because operations like "-I" |
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can't understand big-endian data. |
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Look at the "Model" output for "-i" (via kernel info) and for "-I" (directly |
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from HD): The chars are swapped!!! |
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|
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This is the output of "hdparm -i" |
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|
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bash-2.05a# hdparm -i /dev/hda |
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|
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/dev/hda: |
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|
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Model=IBM-IC25N020ATCS04-0, FwRev=CA2AA71A, SerialNo=CSL207D9HNBTXA |
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Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs } |
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RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 |
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BuffType=DualPortCache, BuffSize=1768kB, MaxMultSect=16, MultSect=off |
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CurCHS=16383/16/63, CurSects=4228907259, LBA=yes, LBAsects=39070080 |
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IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120} |
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PIO modes: pio0 pio1 pio2 pio3 pio4 |
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DMA modes: mdma0 mdma1 mdma2 |
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UDMA modes: udma0 udma1 *udma2 |
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AdvancedPM=yes: mode=0x80 (128) WriteCache=enabled |
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Drive conforms to: ATA/ATAPI-5 T13 1321D revision 3: 2 3 4 5 |
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|
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and this is the one from "hdparm -I" |
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bash-2.05a# hdparm -I /dev/hda |
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|
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/dev/hda: |
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|
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ATA device, with non-removable media |
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powers-up in standby; SET FEATURES subcmd spins-up. |
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|
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WARNING: ID response incomplete. |
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WARNING: Following data may be incorrect. |
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|
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Model Number: BI-MCI520N02TASC400- |
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Serial Number: SC2L709DNHTBAX |
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Firmware Revision: ACA27AA1 |
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Standards: |
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Supported: 13 12 11 10 |
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Likely used: 13 |
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Configuration: |
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Logical max current |
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cylinders 65343 0 |
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heads 4096 0 |
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sectors/track 16128 0 |
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-- |
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LBA user addressable sectors: 1409450025 |
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device size with M = 1024*1024: 688208 MBytes |
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device size with M = 1000*1000: 721638 MBytes (721 GB) |
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Capabilities: |
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IORDY(may be)(cannot be disabled) |
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Queue depth: 1 |
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Standby timer values: spec'd by Vendor |
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R/W multiple sector transfer: Max = 128 Current = ? |
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Advanced power management level: unknown setting (0x8040) |
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DMA: not supported |
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PIO: unknown |
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Security: |
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Master password revision code = 65279 |
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not supported |
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not enabled |
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not locked |
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not frozen |
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not expired: security count |
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not supported: enhanced erase |
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|
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|
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|
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-- |
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