A separate video still uses its own ram, not system ram. However a portion of the address range is mapped for the video card and is not available for system use. The memory mapping is really only a problem over about 3gb depending on your computer. With less than 3gb, the mapping still occurs but it uses a portion of the address range that is not in use.
Regards Sean Cross CIO Catalyst Risk Management PO Box 230 Napier 4140 DDI: 06-8340362 Mobile: 021270 3466 Visit us at http://www.catalystrisk.co.nz<http://www.catalystrisk.co.nz/> Offices in Auckland, Hamilton, Napier, Wellington, Christchurch & Dunedin Disclaimer: "The information contained in this document is confidential to the addressee(s) and may be legally privileged. Any view or opinions expressed are those of the author and may not be those of Catalyst Risk Management. No guarantee or representation is made that this communication is free of errors, viruses or interference. If you have received this e-mail message in error please delete it and notify me. Thank you." From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Wednesday, 28 October 2009 3:05 p.m. To: NZ Borland Developers Group - Offtopic List Subject: Re: [DUG-Offtopic] 32 bits or 64 bits hmmm....Ok, I may have been miss-infomred. I thought the reason for a videocard HAVING its own ram is so it didnt use your onboard ram. I understood if you had a 256mb vid card built into the M/board then it took 256mb from the system ram, but not if the card had its own ram.....seems to defeat the purpose.....well to me....
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