>From /usr/src/linux/drivers/block/ide-dma.c

/*
 * bad_dma_drives() lists the model names (from "hdparm -i")
 * of drives which supposedly support (U)DMA but which are
 * known to corrupt data with this interface under Linux.
 *
 * This is an empirical list. Its generated from bug reports. That means
 * while it reflects actual problem distributions it doesn't answer whether
 * the drive or the controller, or cabling, or software, or some combination
 * thereof is the fault. If you don't happen to agree with the kernel's 
 * opinion of your drive - use hdparm to turn DMA on.
 */
const char *bad_dma_drives[] = {"WDC AC11000H",
                                "WDC AC22100H",
                                "WDC AC32100H",
                                "WDC AC32500H",
                                "WDC AC33100H",
                                "WDC AC31600H",
                                NULL};

(WDC = Western Digital Corporation)

>From /usr/src/linux/drivers/block/ide-dma.c

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
};

(afaik in xxxxxUn U stands for UDMA/66, D for UDMA(/33)

I hope this gives a better overview to people, which drives not to buy/use with
the Highpoint HPT366 (Abit HotRod) in UDMA/33 UDMA/66 mode

Cheers,
-- 
/* Manuël Beunder. (aka MBr) 
- http://how.to/sblive the SB Live! Linux page -
'You must be the change you wish to see in this world. -Gandi' */

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