Date: Mon, 11 Oct 1999 02:58:42 +0800 From: Peter Wemm <peter@netplex.com.au> To: Soren Schmidt <sos@freebsd.dk> Cc: culverk@culverk.student.umd.edu (Kenneth Culver), freebsd-current@FreeBSD.ORG Subject: Re: ATA driver Message-ID: <19991010185842.534F21CCD@overcee.netplex.com.au> In-Reply-To: Your message of "Sun, 10 Oct 1999 20:17:09 %2B0200." <199910101817.UAA34924@freebsd.dk>
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Soren Schmidt wrote:
> It seems Kenneth Culver wrote:
> > ata0: slave: success setting up UDMA2 mode on PIIX4 chip
> > ad1: piomode=4 dmamode=2 udmamode=2
> > ad1: <Maxtor 84320D4/NAVX1920> ATA-3 disk at ata0 as slave
> > ad1: 4120MB (8438850 sectors), 8930 cyls, 15 heads, 63 S/T, 512 B/S
> > ad1: 16 secs/int, 0 depth queue, UDMA33
>
> Uh oh, I had one of those once, no end of trouble, have you ever had
> it working in any DMA mode reliably (mine wouldn't)..
> One possible solution is to tell the bios it is PIO3 only mode, the
> ATA driver will then run DMA on it but with relaxed timing...
>
Heh, Just looking at the linux ide driver:
const char *bad_ata66_4[] = {
"WDC AC310200R",
NULL
};
const char *bad_ata66_3[] = {
"WDC AC310200R",
NULL
};
const char *bad_ata33[] = {
"Maxtor 92720U8", "Maxtor 92040U6", "Maxtor 91360U4", "Maxtor 91020U3",
"Maxtor 90845U3", "Maxtor 90650U2",
"Maxtor 91360D8", "Maxtor 91190D7", "Maxtor 91020D6", "Maxtor 90845D5",
"Maxtor 90680D4", "Maxtor 90510D3", "Maxtor 90340D2",
"Maxtor 91152D8", "Maxtor 91008D7", "Maxtor 90845D6", "Maxtor 90840D6",
"Maxtor 90720D5", "Maxtor 90648D5", "Maxtor 90576D4",
"Maxtor 90510D4",
"Maxtor 90432D3", "Maxtor 90288D2", "Maxtor 90256D2",
"Maxtor 91000D8", "Maxtor 90910D8", "Maxtor 90875D7", "Maxtor 90840D7",
"Maxtor 90750D6", "Maxtor 90625D5", "Maxtor 90500D4",
"Maxtor 91728D8", "Maxtor 91512D7", "Maxtor 91303D6", "Maxtor 91080D5",
"Maxtor 90845D4", "Maxtor 90680D4", "Maxtor 90648D3", "Maxtor 90432D2",
NULL
};
Looks like the Maxtor's have a bit of a track record...
Cheers,
-Peter
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