On Sat, 14 Jul 2001, Thomas Molina wrote:
>> You also need a UDMA 100 cable that is <= 18 inches. In your
>> case you have a VIA chipset so don't worry about it, you won't
>> get UDMA 100 anyway as it is buggy, and even if you do get it
>> configured for UDMA 100, you won't get any speed increase.
>> You're more likely to fry the disk trying or at least get massive
>> filesystem corruption.
>>
>> >2) why i receive the error message (D) ?
>>
>> Because VIA chipsets are buggy as hell. Go to google.com and
>> type in "via chipset bug" and you'll have 100 days worth of
>> reading. ;o)
>
>So what about this (?):
What about it?
>PDC20265: chipset revision 2
>PDC20265: not 100% native mode: will probe irqs later
>PDC20265: (U)DMA Burst Bit ENABLED Primary PCI Mode Secondary PCI Mode.
^^^^^^^^
That is a promise ATA controller.
> ide2: BM-DMA at 0x8000-0x8007, BIOS settings: hde:DMA, hdf:DMA
> ide3: BM-DMA at 0x8008-0x800f, BIOS settings: hdg:pio, hdh:pio
Controlling hd[e-h]
>hda: CRD-8520B, ATAPI CD/DVD-ROM drive
>hdb: LG CD-RW CED-8080B, ATAPI CD/DVD-ROM drive
And a CD and DVD drive on hda/hdb which is likely the VIA onboard
controller which is cut out of your above output.
>hde: WDC WD300BB-00AUA1, ATA DISK drive
And a Western Digital HD on hde
>ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
>ide2 at 0x9400-0x9407,0x9002 on irq 11
>hde: 58633344 sectors (30020 MB) w/2048KiB Cache, CHS=58168/16/63,
>UDMA(100)
>Partition check:
> hde: [PTBL] [3649/255/63] hde1 hde2 < hde5 hde6 hde7 hde8 hde9 hde10 >
Which is on the Promise controller...
>and this:
>
>[root@localhost /root]# hdparm -tT /dev/hde
>
>/dev/hde:
> Timing buffer-cache reads: 128 MB in 0.66 seconds =193.94 MB/sec
> Timing buffered disk reads: 64 MB in 2.17 seconds = 29.49 MB/sec
And Promise controller speeds.
Move along people, there is nothing to see here...
<grin>
----------------------------------------------------------------------
Mike A. Harris - Linux advocate - Open Source advocate
Opinions and viewpoints expressed are solely my own.
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