Re: [SLUG] DMA off?

From: Eben King (eben1@tampabay.rr.com)
Date: Tue May 23 2006 - 12:32:01 EDT


On Tue, 23 May 2006, Jason Boxman wrote:

> Eben King wrote:
> <snip>
>
>> [1] There are two DVD drives and two hard drives; HDs=hda & hdb, DVDs=hdc &
>> hdd is the only way I could make the cables reach.
>
> That's a better configuration than having an ATAPI device on a bus with an
> ATA device.

I had been under the misimpression that UDMA bandwidth would be the
bottleneck for hda -> hdb copies. It's not, so this is no worse than having
each HD on a separate bus. If the entire bus slows down to the slowest
device, it's better than having DVDs on those busses too.

> You could try using a different ATA cable, just in case, to see if it's a
> bad cable. It could also be a chipset issue.

I'll give that a try, and see how tonight's backup goes. Hm, I have one
spare 80-conductor conductor cable and several spare 40 conductor ones. Oh
well, one's all I need.

-- 
-eben    ebQenW1@EtaRmpTabYayU.rIr.OcoPm    home.tampabay.rr.com/hactar
GEMINI:  Your birthday party will be ruined once again by your explosive
flatulence. Your love life will run into trouble when your fiancee hurls
a javelin through your chest.  -- Weird Al, _Your Horoscope for Today_
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