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Re: [TEKNIK] Promise UDMA66



On Wed, Apr 26, 2000 at 00:16:50 +0200, Jesper Monsted wrote:

...

> > Husk i øvrigt med hdparm at checke at f.eks. "-u1" "-c1" "-d" "-m8" "-a8"
> > og andre parametre er sat. De tal du får ser ud til at være uden
> > nogen af disse parametre (eller du anvender en toptunet 486 PC)
> 
> Det er en P166mmx - med disken siddende på Promise UDMA66-controlleren

ok, en ældre sag, men du burde kunne få lidt bedre resultater.

>  
> > Prøv evt. "hdparm /dev/hda" og se hvad opsætning der anvendes
> > (erstat hda med din disk)
> 
> Jeg har pillet, rodet og raget ved det og dem *kan* ikke komme over
> 7.5MB/s uden UDMA - og når jeg prøver at slå det til siger den: 
> 
>  HDIO_SET_DMA failed: Operation not permitted

Nåh ja, du har ikke en DMA+UDMA driver i kernen til dit kort,
og før du får det kan du ikke presse mere ud af kortet.

Du skal nok selv hente og patche kernen med en passende driver
til din controller. Muligvis har f.eks. en ny standard SuSE
patchet kernen allerede . (Redhat gør det nogen gange også,
men ikke altid lige med den hardware jeg bruger...)

Til mit Aladin V chipsæt fandt jeg linket hos chipsæt producentens
hjemmeside . Måske promise også er så flinke ?
(du checkede vel inden du købte?)


-- 
mvh Frank Damgaard  | http://home3.inet.tele.dk/frda/



 
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