abort:PIIX3 mothboard's IDE DMA

[Andre Hedrick]

On Sun, 23 Jan 2000, hugang wrote:

> Hello,everyone ,
> 	
> 	I have asus mothboard with a P5/166,32M memory.
> 	I use kernel 2.2.12-20 form redhat 6.1 ,but the kernel tell me some message
>                              	
> -----------------------------------------------------------------------
> PIIX3: IDE controller on PCI bus 00 dev 39
> PIIX3: not 100% native mode: will probe irqs later
>     ide1: BM-DMA at 0xe808-0xe80f, BIOS settings: hdc:DMA, hdd:DMA
> hdc: IBM-DYKA-22160, ATA DISK drive
> hdd: TOSHIBA MK1403MAV, ATA DISK drive
> ide1 at 0x170-0x177,0x376 on irq 15
> hdc: IBM-DYKA-22160, 2067MB w/90kB Cache, CHS=4200/16/63, (U)DMA

The means the drive can perform at rates faster than Multi-Word DMA mode 2,
but your mainboard can not.

> hdd: TOSHIBA MK1403MAV, 1376MB w/128kB Cache, CHS=2796/16/63, DMA
> ------------------------------------------------------------------------
> 	
> 	I did not understand ,The mothboard can suport DMA,why the kernel cant't suport.
> Who can help me to fix it.
> bye,
> hugang
> hugang123 en 263.net
> 
> 
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Andre Hedrick
The Linux ATA/IDE guy

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