KT400 chipset - very good AMD & PCI-bus performance

PC Configurations, motherboards, etc, etc

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Immanuel
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Joined: Thu Oct 25, 2001 4:00 pm
Location: Aalborg, Denmark

Post by Immanuel »

13 masterverbs means, that the PC works realy well on the PCI bus. But do not expect to get this in any computer with less than 10DSPs - and that may not even be enough. Masterverbs are some of the more "hungry" devices.

Immanuel
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Mercury1
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Joined: Mon Jul 15, 2002 4:00 pm
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Post by Mercury1 »

Ok I finally got all the parts for my PC with the gigabyte GA-7VAXP board. Installation was pretty easy. You can choose different IRQ's for the different PCI slots in the BIOS but I didn't play around with this much. PCI 2 is the best out of the box since it only shares with 1 of the USB controllers which can be disabled giving it a free IRQ. Anyway, I installed 512mb of DDR and used the RAID controller with 2 drives in RAID 1.

Since I don't have enough DSP's to max out the PCI bus (I only have a Luna II) I tried to stress it as much as I could. I loaded 4 masterverbs and set the Raid controller to max PCI bus usage and then used Cubase SX 1.03 and The Grand VST 1.02 with it set to maximum disk streaming while playing Chopin :smile:. The ULLI setting was 6 ms at 48KHz. Everything was awesome. No pops or clicks.

I tried this same thing with an old VIA KT266A. With the RAID set to max PCI bus utilization it failed miserably. The sound was horrible and the RAID controller started corrupting files which I verified by doing CRC checks. Talk about crash and burn. :smile:

Overall I am very happy with this KT400 board. The new VT8235 southbridge is working as it should.

One thing I should point out is that you shouldn't expect the KT400 chipset to run with DDR400 (PC3200) memory. The hardware review sites such as http://www.anandtech.com and http://www.tomshardware.com have reported instability with this memory.

If there are any other tests you guys would like me to run, I'd be happy to do them. :smile:

<font size=-1>[ This Message was edited by: Mercury1 on 2002-09-26 10:03 ]</font>
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