Hello,
After a few tests I can't recommand AMD.
http://www.phoronix.com/forums/showthread.php?t=19042
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ICH10 vs. SB750 vs. nForce Linux performance comparison
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On my NB, Intel chipset, my USB disk does:
note PLvsZOD # hdparm -tT /dev/sdb1
/dev/sdb1:
Timing cached reads: 788 MB in 2.00 seconds = 394.13 MB/sec
Timing buffered disk reads: 84 MB in 3.05 seconds = 27.57 MB/sec
On my desktop box, AMD SB600:
luzifer tom # hdparm -tT /dev/sdb
/dev/sdb:
Timing cached reads: 6804 MB in 2.00 seconds = 3402.68 MB/sec
Timing buffered disk reads: 84 MB in 3.02 seconds = 27.82 MB/sec
Ok, the limiting factor is probably the usb enclosure
This is the output for the harddisk of the desktop:
luzifer tom # hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 7160 MB in 2.00 seconds = 3581.56 MB/sec
Timing buffered disk reads: 324 MB in 3.01 seconds = 107.75 MB/sec
It's some seagate HDD btw.Last edited by satan0rx; 06 September 2009, 10:20 AM.
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So, I want to answer your question partly.
I have some MSI Mainboard w/ ATI SB600 SB ( predecessor of SB7xx).
While AHCI Performance is somewhat OKish, USB _REALLY_ SUCKS!
(not only performance wise, but also it's BROKEN: USB11 webcam won't work on USB20 hub, will sometimes lock up completely, etc.)
I'd strongly advise to get Nvidia.
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Originally posted by lordmozilla View Postbut really whats the point of AHCI motherboard raid in windows?
raid 0 - windows breaks on its own does it really need help?
raid 1 - window is slow, does it need to be made slower?
I realise my comment is not helpful, but basically I would always advice against using AHCI mobo raid in linux. If you need to dual boot then decide wether windows really needs to be raided, or prepare for some weird problems
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but really whats the point of AHCI motherboard raid in windows?
raid 0 - windows breaks on its own does it really need help?
raid 1 - window is slow, does it need to be made slower?
I realise my comment is not helpful, but basically I would always advice against using AHCI mobo raid in linux. If you need to dual boot then decide wether windows really needs to be raided, or prepare for some weird problems
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Originally posted by Pepazdepa View PostAs I can see, my basic question remained unanswered. Especially nForce vs. AMD chipset with AHCI performance.
Intel chipsets > Nvidia > AMD at least until AMD's new southbridges come out then that might finally change.
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As I can see, my basic question remained unanswered. Especially nForce vs. AMD chipset with AHCI performance.
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