As noted on the Kernel list....
DO NOT PUT ATAPI DEVICES ON THE PROMISE CONTROLLERS.
CDROMS ARE ATAPI DEVICES.
Got it? Good.
{^_-}
----- Original Message -----
From: "war" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, October 10, 2001 11:10 AM
Subject: ATA/100 Promise Board
>
> Any idea why DMA is sometimes on and sometimes not for a few cdrom
> drives I have hooked up to my promise controller?
>
> Whether it is on or off, whenever I copy a CD from a (dma) cdrom whether
>
> it dma is on or off it slows my system down big time. Move the cursor
> around in X, and it lags, watch X-Chat, the characters you type in
> slowly appear 3-5 seconds after.
>
> Hook the same drives up to the motherboard ide interfaces and there is
> no lag at all.
>
> This has always been the case with my cdroms.
>
> When I had my HD on the Promise, it did DMA etc just fine.
>
> Is there a problem with the driver if a HD is not on there it doesn't do
>
> DMA correctly or something?
>
>
>
> _______________________________________________
> Seawolf-list mailing list
> [EMAIL PROTECTED]
> https://listman.redhat.com/mailman/listinfo/seawolf-list
_______________________________________________
Seawolf-list mailing list
[EMAIL PROTECTED]
https://listman.redhat.com/mailman/listinfo/seawolf-list
