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Old 02-21-2013, 07:23 PM
C.C.Reed C.C.Reed is offline
Join Date: Apr 2008
Posts: 91

Which 4P motherboard does it have? Arima, Tyan, Supermicro? How is the BIOS setup? Check these settings. You can drop some TPF.

- PowerNow set to Disabled
- NUMA/SRAT set to Enabled
- Node Interleaving set to Disabled
- Bank/channel interleaving set to Auto or Enabled
- Tyan boards - Ungang DCTs set to Always

My Supermicro H8QM3-2 running quad 8431s and the Asus KGPE-D16 with dual 6174s. The Asus pulls less wattage and is a little faster. I have a 4P Tyan S4985 that I could never get stable running the 6-core chips. It's sitting over in the corner. Guess I should buy some 8389s for it.
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