Freebios2 recovery progress... pci64 mem optimization

YhLu YhLu at tyan.com
Thu Oct 21 20:56:01 CEST 2004


Iommu is only needed when system installed memory > 4G?

YH

-----Original Message-----
From: ebiederman at lnxi.com [mailto:ebiederman at lnxi.com] 
Sent: Thursday, October 21, 2004 7:08 PM
To: YhLu
Cc: 'LinuxBIOS'
Subject: Re: Freebios2 recovery progress... pci64 mem optimization

YhLu <YhLu at tyan.com> writes:

> If no agp,
> Still need gart?
> 
> YH
> 
> PCI: 00:18.3 94 <- [0x00f8000000 - 0x00fbffffff] mem <gart>
> PCI: 00:19.3 94 <- [0x00f8000000 - 0x00fbffffff] mem <gart>

With more than 4GB of memory it is used as an IOMMU so you don't
need bounce buffers.

Eric



More information about the coreboot mailing list