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Date: Sun, 2 Apr 2006 21:34:02 +0300
From: Michael Shigorin <mike@osdn.org.ua>
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Subject: Re: [Comm] IBM TP R30, hdd & udma
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On Wed, Mar 29, 2006 at 05:29:35AM -0800, Denis G. Samsonenko wrote:
>  Timing buffered disk reads:   54 MB in  3.05 seconds =  17.69 MB/sec

Где-то как-то...

>  IO_support   =  0 (default 16-bit)
>  unmaskirq    =  0 (off)

Это стоит поправить.

>  UDMA modes: udma0 udma1 *udma2 udma3 udma4 udma5

Чипсет какой?  Если BX, так и положено.

> На сколько я понял, включен режим udma2. У меня такой вопрос,
> можно ли для этого винчестера включить более быстрый режим, или
> udma2 для него потолок? И можно ли включть 32-bit для
> IO_support, или не стоит?

pad:~> cat /etc/sysconfig/harddisk/hda 
MULTIPLE_IO=16
EIDE_32BIT=1
LOOKAHEAD=1
EXTRA_PARAMS=-a16u1
pad:~> sudo hdparm -Tti /dev/hda

/dev/hda:

 Model=IC25N030ATMR04-0, FwRev=MOAOAD4A, SerialNo=MRG215KBHS2AKJ
 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
 RawCHS=16383/15/63, TrkSize=0, SectSize=0, ECCbytes=4
 BuffType=DualPortCache, BuffSize=1740kB, MaxMultSect=16, MultSect=16
 CurCHS=16383/15/63, CurSects=15481935, LBA=yes, LBAsects=58605120
 IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes:  pio0 pio1 pio2 pio3 pio4 
 DMA modes:  mdma0 mdma1 mdma2 
 UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 
 AdvancedPM=yes: mode=0x80 (128) WriteCache=enabled
 Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:  ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6

 * signifies the current active mode

 Timing cached reads:   872 MB in  2.00 seconds = 435.97 MB/sec
 Timing buffered disk reads:   74 MB in  3.07 seconds =  24.12 MB/sec

-- 
 ---- WBR, Michael Shigorin <mike@altlinux.ru>
  ------ Linux.Kiev http://www.linux.kiev.ua/