[iyonix-support] Re: Video Card RAM

On Sat 01 Nov, Adrian Lees wrote:
> 
> In message <Marcel-1.53-1031141621-06cpErr@xxxxxxxxxxxxxxxxxxxxxx>
>           Chris Evans <chris@xxxxxxxxxxxxxxx> wrote:
> 
> > Don't know! It was the only way I could get a sensible figuire maybe the
> > first block is main memory workspace?
> 
> Unfortunately that's just the size of the address space that the card 
> is allocated, and may be viewed as the maximum amount of RAM that the 
> chipset can support; it does /not/ mean that you have that much RAM 
> physicall present on the card. Even the original 32MB GeForce2 MX 400 
> cards shipped with the first IYONIX pcs consumed that much address 
> space, if memory serves.
> 
> If you're running Geminus then you can use the command *GeminusInfo to 
> list the amount of memory as reported by the NVidia driver module, 
> which may or may not be the correct amount of RAM physically present 
> and available for use. It's the last number in the 'Screens' section, 
> alongside 'range.' Take the 3 leftmost digits (they're in hex) and 
> convert if necessary... but 01F = 32MB card, 03F = 64MB, 07F = 128MB 
> card. Some of the RAM is reserved for other use such as cursor DMA, I 
> believe.

I said to Andrew on Friaday someone who knew what they were talking about
would now point out I'd been talking rubbish!

May be I should take up prediction rather than technical advise ;-)

Chris Evans

-- 
CJE Micro's / 4D                'RISC OS Specialists'
Telephone: 01903 523222             Fax: 01903 523679
chris@xxxxxxxxxxxxxxx     http://www.cjemicros.co.uk/
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