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From: "Vadim V. Zhytnikov" <vvzhy@netorn.ru>
To: ALT Sisyphus <sisyphus@altlinux.ru>,
	ALT Community <community@altlinux.ru>
Subject: [Comm] странный вывод hdparm в Master 2.2
Date: Sun, 13 Apr 2003 12:45:55 +0300
Message-ID: <3E9931D3.3050209@netorn.ru> (raw)

Заметил страннось в выводе hdparm

Вот часть вывода hdparm -I:

Capabilities:
	LBA, IORDY(can be disabled)
	bytes avail on r/w long: 52	Queue depth: 32
	Standby timer values: spec'd by Standard, no device specific minimum
	R/W multiple sector transfer: Max = 16	Current = 0
	Advanced power management level: unknown setting (0x0000)
	Recommended acoustic management value: 128, current value: 128
	DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
	     Cycle time: min=120ns recommended=120ns
	PIO: pio0 pio1 pio2 pio3 pio4
	     Cycle time: no flow control=240ns  IORDY flow control=120ns

А вот hdparm -i:

  Model=IC35L080AVVA07-0, FwRev=VA4OA50K, SerialNo=VNC400A4G2S0KA
  Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=52
  BuffType=DualPortCache, BuffSize=1863kB, MaxMultSect=16, MultSect=off
  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=160836480
  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
  AdvancedPM=yes: disabled (255) WriteCache=enabled
  Drive conforms to: ATA/ATAPI-5 T13 1321D revision 1:  2 3 4 5

Обратите внимание на строки DMA/UDMA - для hdparm -i она
явно обрезана.  При этом фактически UDMA прекрасно работает
hdparm -t показывает 45 Mb/sec.   Да и субъективно
всё работает весьма быстро.

Мама - ASUS A7V8X-X на KT400.
Жесткий диск - IBM AVVA 80Mb.

При этом наблюдается ещё только одна маленькая странность.
При загруженом Linux постоянно горит лампочка активности
HDD.  В Windows такого не замечено.

-- 
      Vadim V. Zhytnikov

       <vvzhy@mail.ru>
      <vvzhy@netorn.ru>




                 reply	other threads:[~2003-04-13  9:45 UTC|newest]

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