Alexandre Moutinho Santos wrote:
Ken Siersma wrote: | Sorry if this is not specifically an X86-64 question. | | I have a Dual Opteron 250 with 4 GB of RAM with an NVIDIA QuadroFX | 1100 card, with Suse 9.1 X86-64 installed with updates (kernel | version 2.5.5-7.111.19-smp). The BIOS recognizes all 4 GB of RAM, | but the OS only sees 3.26GB. I've been told this is because the | video card is taking up system memory. But could it really be | taking up this much? | | Changing the AGP aperture size in the BIOS does affect how much RAM | is occupied by the video card. Currently it is set to 32 MB. If | I set it to the maximum of 512 MB, a measly 2.4GB are available. | | I also thought this was strange - if I set the AGP aperture to 32 | MB, and then try 1, 2, 3, and 4 GB, I see different percentages of | system memory being unavailable. Here's what I see: | | 1 GB -> 91.8% 2 GB -> 95.2% 3 GB -> 96.4% 4 GB -> 81.5% | | Is their anything I can do in Suse to give me back more of my | system RAM? Seems like that last GB was a waste of money... | | Thanks for any help you can offer. Ken | | | What is the chipset of your motherboard? I have a Asus A8V with a Via chipset that states that "with 4 GB of RAM the memory available will be a little less than 4GB due to the Southbridge resource allocation".
Alex
It is a Tyan S2885 Thunder K8W board - chipset AMD-8151. -- Ken Siersma, Software Engineer EKK, Inc. phone: (248) 624-9957 fax: (248) 624-7158 http://www.ekkinc.com -- "No rain - no rainbows" -Kimo