Re: i840 stuff

From: Andre Hedrick (andre@linux-ide.org)
Date: Fri May 19 2000 - 19:49:39 EDT

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    On Fri, 19 May 2000, Tony Hoyle wrote:

    > Lawrence MacIntyre wrote:
    > >
    > > I've got a couple of 533 MHz machines with the SuperMicro PIIIDME board
    > > and
    > > here is the output from hdparm -t. There is a cheetah drive
    > > and a SCSI-3 controller, which, although not technically relevant, do
    > > show
    > > the potential of the chipset. Note that, for example, with the same
    > > SCSI
    > > card and disks, I get 13 MB/sec with a 566 MHz alpha. This is the first
    > > time
    > > I've found an Intel chip to have faster I/O than an alpha.
    > >
    > > [root@scylla /root]# hdparm -t /dev/sda
    > >
    > > /dev/sda:
    > > Timing buffered disk reads: 64 MB in 2.92 seconds =21.92 MB/sec
    >
    > I have the same mobo... (Dual PII 733)
    >
    > /dev/hda:
    > Timing buffered disk reads: 64 MB in 4.22 seconds =15.17 MB/sec
    >
    > However... I'm on IDE so I'd expect it to be a bit slower...

    Why?

    hdparm -t /dev/hdc

    /dev/hdc:
     Timing buffered disk reads: 64 MB in 2.12 seconds = 30.19 MB/sec

    Andre Hedrick
    The Linux ATA/IDE guy

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