* Re: More ATA100 oddity
2001-04-19 16:36 More ATA100 oddity Nicholas Petreley
@ 2001-04-19 16:56 ` Joel Jaeggli
0 siblings, 0 replies; 2+ messages in thread
From: Joel Jaeggli @ 2001-04-19 16:56 UTC (permalink / raw)
To: Nicholas Petreley; +Cc: Linux Kernel
udma 5 is ata100 udma4 is 66 so it's seeing your disk fine...
as far as the 27MB/s goes, it actually testing the disk and that's
what it got for throughput... that's acutally a pretty good number, on the
diamondmax 80 I get 23MB/s
/dev/hde:
Model=Maxtor 98196H8, FwRev=ZAH814Y0, SerialNo=V80H9YCC
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=-66060037, LBA=yes, LBAsects=160086528
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4 udma5
/dev/hde:
Timing buffered disk reads: 64 MB in 2.77 seconds = 23.10 MB/sec
using promise ultra-100
On Thu, 19 Apr 2001, Nicholas Petreley wrote:
> I just noticed something odd. (I'm using 2.4.3-ac9 on an
> ASUS A7V, Athlon 1000 mHz)
>
>
> (1) As noted in other messages, my machine boots up the Promise
> chipset as UDMA(100)
>
>
> hde: 80041248 sectors (40981 MB) w/2048KiB Cache, CHS=79406/16/63, UDMA(100)
>
>
> (2) hdparm recognizes it as UDMA5 with 27 MB/sec speed
>
>
> /dev/hde:
>
> Model=Maxtor 54098H8, FwRev=DAC10SC0, SerialNo=K80EP5NC Config={ Fixed }
> RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
> BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16,MultSect=off
> CurCHS=16383/16/63, CurSects=16514064, LBA=yes,LBAsects=80041248
> IORDY=on/off, tPIO={min:120,w/IORDY:120},tDMA={min:120,rec:120}
> PIO modes: pio0 pio1 pio2 pio3 pio4
> DMA modes: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
> Timing buffered disk reads: 64 MB in 2.31 seconds = 27.71 MB/sec
>
>
>
> (3) /proc/ide/pdc202xx sees it as UDMA 4
>
>
>
> PDC20265 Chipset.
> ------------------------------- General Status ---------------------------------
> Burst Mode : enabled
> Host Mode : Normal
> Bus Clocking : 33 PCI Internal
> IO pad select : 10 mA
> Status Polling Period : 1
> Interrupt Check Status Polling Delay : 2
> --------------- Primary Channel ---------------- Secondary Channel -------------
> enabled enabled
> 66 Clocking enabled disabled
> Mode PCI Mode PCI
> FIFO Empty FIFO Empty
> --------------- drive0 --------- drive1 -------- drive0---------- drive1 ------
> DMA enabled: yes no no no
> DMA Mode: UDMA 4 NOTSET NOTSET NOTSET
> PIO Mode: PIO 4 NOTSET NOTSET NOTSET
>
>
>
> Oh, and by the way, ACPI support has never powered off this
> machine. Ever. But I use apm and I'm happy.
>
>
> -Nick
>
>
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Joel Jaeggli joelja@darkwing.uoregon.edu
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the right, 1843.
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